{ "title": "Dock seal and dock shelter documentary register", "version": "2.0", "last_verified": "2026-09-12", "canonical_page": "https://greensborodockdoorrepair.com/research/dock-seal-vs-dock-shelter/", "method": "Purposive documentary compilation; not product testing, a market survey or a determination of project-specific legal requirements. General categories and named families are separate record types.", "units": { "documented_configuration_width_in": "inches, normalized from explicit manufacturer feet/inches; null when no model-specific maximum adopted" }, "counts": { "product_records": 14, "named_product_families": 11, "general_category_records": 3, "manufacturers": 4, "seal_label_records": 9, "named_seal_families": 7, "named_seal_families_with_configuration_at_least_120_in_wide": 3, "code_ledger_records": 17, "included_code_evidence_records": 15, "excluded_code_leads": 2, "counties": 100, "county_zones": { "3A": 46, "4A": 48, "5A": 6 } }, "products": [ { "manufacturer": "Rite-Hite", "product_or_class": "Dock seal line, general note", "manufacturer_label": "Seal", "published_max_door_opening": "9 ft W x 10 ft H or less", "published_projection": "", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Manufacturer says 'generally applied'; access to loads can be restricted by foam and fabric protrusion into the trailer opening", "verification_tier": "DOT", "source_url": "https://pdf.directindustry.com/pdf/rite-hite/rite-hite-dock-seal-lineup/36057-844651.html", "date_checked": "2026-09-12", "record_id": "rh-general", "record_kind": "general_category", "is_seal_label": "true", "documented_configuration_width_in": 108, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S20", "verification_basis": "Original manufacturer catalog hosted by third party; historical publication date unspecified" }, { "manufacturer": "Rite-Hite", "product_or_class": "Classic", "manufacturer_label": "Seal", "published_max_door_opening": "Model-specific maximum not stated in the reviewed product-page text; no maximum inferred from the general-line note", "published_projection": "", "published_trailer_range": "", "published_warranty": "Archived manufacturer lineup brochure lists 12-month parts-and-labor coverage and a 12-month money-back provision; not confirmation of current transaction-specific terms", "other_published_figures": "", "key_published_limitation": "Head pad and head curtain versions both offered", "verification_tier": "STAR", "source_url": "https://www.ritehite.com/en/am/products/dock-seals-and-shelters/dock-seals/classic", "date_checked": "2026-09-12", "record_id": "rh-classic", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": null, "width_basis": "No model-specific maximum adopted", "source_ids": "S21;S20", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Rite-Hite", "product_or_class": "Performer", "manufacturer_label": "Seal", "published_max_door_opening": "Model-specific maximum not stated in the reviewed product-page text; no maximum inferred from the general-line note", "published_projection": "", "published_trailer_range": "", "published_warranty": "36-month money-back satisfaction guarantee requires appropriately signed paperwork; separate 12-month parts-and-labor warranty", "other_published_figures": "", "key_published_limitation": "Detachable triple-layer corner wear boots", "verification_tier": "STAR", "source_url": "https://www.ritehite.com/en/am/products/dock-seals-and-shelters/dock-seals/performer", "date_checked": "2026-09-12", "record_id": "rh-performer", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": null, "width_basis": "No model-specific maximum adopted", "source_ids": "S22", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Pentalift", "product_or_class": "Foam compression seals, class", "manufacturer_label": "Seal", "published_max_door_opening": "Up to 9 ft W x 10 ft H", "published_projection": "", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Compression seals exert force on the building wall; manufacturer directs buyers to inflatable seals where walls cannot accept external forces", "verification_tier": "STAR", "source_url": "https://www.pentalift.com/choosing-dock-seals-dock-shelters/", "date_checked": "2026-09-12", "record_id": "pl-compression-class", "record_kind": "general_category", "is_seal_label": "true", "documented_configuration_width_in": 108, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S25", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Pentalift", "product_or_class": "PS-100 Fixed Header", "manufacturer_label": "Seal", "published_max_door_opening": "Best suited to 8 ft W x 8 ft H or 8 ft W x 9 ft H; these are application examples, not a published maximum", "published_projection": "", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Three-sided, foam-filled", "verification_tier": "STAR", "source_url": "https://www.pentalift.com/solutions/ps-100-fixed-header-dock-seals/", "date_checked": "2026-09-12", "record_id": "pl-ps100", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": null, "width_basis": "Best-suited application sizes, not a maximum", "source_ids": "S26", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Pentalift", "product_or_class": "PSI-350AA Adjustable Header Inflatable", "manufacturer_label": "Seal (inflatable)", "published_max_door_opening": "Up to 8 ft W x 11 ft H", "published_projection": "", "published_trailer_range": "Variable trailer heights", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Bags retract when not in use", "verification_tier": "STAR", "source_url": "https://www.pentalift.com/solutions/psi-350aa-adjustable-header-inflatable-dock-seals/", "date_checked": "2026-09-12", "record_id": "pl-psi350aa", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": 96, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S27", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Pentalift", "product_or_class": "Dock shelters, class", "manufacturer_label": "Shelter", "published_max_door_opening": "Greater than 9x10, up to 12 ft W x 12 ft H", "published_projection": "18-24 in", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Three-sided canopy of pressure-treated wood or steel", "verification_tier": "STAR", "source_url": "https://www.pentalift.com/choosing-dock-seals-dock-shelters/", "date_checked": "2026-09-12", "record_id": "pl-shelter-class", "record_kind": "general_category", "is_seal_label": "false", "documented_configuration_width_in": 144, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S25", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Blue Giant", "product_or_class": "Full Access", "manufacturer_label": "Seal (published under /shelters/ directory)", "published_max_door_opening": "Up to 10 ft W x 10 ft H", "published_projection": "Additional projection offered as an option", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Trucks back through the vertical pads; Velcro split head curtain raised over the truck; recommended where unrestricted trailer access is required", "verification_tier": "STAR", "source_url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/full-access/", "date_checked": "2026-09-12", "record_id": "bg-full-access", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S29", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Blue Giant", "product_or_class": "Stationary Inflatable", "manufacturer_label": "Seal", "published_max_door_opening": "Up to 10 ft W x 10 ft H", "published_projection": "Not stated in reviewed page text", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "1/2 HP blower motor; two replaceable foam bottom draft pads; additional head-bag drop is an option, not a projection dimension", "key_published_limitation": "Allows full access to trailer interiors; bags fully retract when not in use; motor horsepower is an equipment rating, not an energy-savings result", "verification_tier": "STAR", "source_url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/inflatables/stationary-inflatable/", "date_checked": "2026-09-12", "record_id": "bg-inflatable", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S30", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Blue Giant", "product_or_class": "Stationary Shelter", "manufacturer_label": "Shelter", "published_max_door_opening": "Up to 10 ft W x 10 ft H", "published_projection": "", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "Bottom 24 in of side curtain double-layered", "key_published_limitation": "Stiffeners maintain constant contact with the trailer", "verification_tier": "STAR", "source_url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/stationary-shelter/", "date_checked": "2026-09-12", "record_id": "bg-stationary", "record_kind": "named_family", "is_seal_label": "false", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S31", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Blue Giant", "product_or_class": "Retractable Shelter", "manufacturer_label": "Shelter", "published_max_door_opening": "Up to 10 ft W x 10 ft H", "published_projection": "", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "", "key_published_limitation": "Frame is designed to retract if contacted off-center; not a guarantee against impact damage", "verification_tier": "STAR", "source_url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/retractable-shelter/", "date_checked": "2026-09-12", "record_id": "bg-retractable", "record_kind": "named_family", "is_seal_label": "false", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S32", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Blue Giant", "product_or_class": "BG600 Foam Frame Shelter", "manufacturer_label": "Shelter", "published_max_door_opening": "10 ft W x 10.5 ft H", "published_projection": "18 in", "published_trailer_range": "12 ft to 13 ft 6 in high at a 4 ft dock height", "published_warranty": "", "other_published_figures": "Head frame 138 in wide; 36 in head curtain", "key_published_limitation": "Manufacturer describes foam frames as yielding to off-center trailers; not a guarantee against impact damage", "verification_tier": "STAR", "source_url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/foam-frame/", "date_checked": "2026-09-12", "record_id": "bg-bg600", "record_kind": "named_family", "is_seal_label": "false", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S33", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Super-Seal", "product_or_class": "Series 0251", "manufacturer_label": "Seal", "published_max_door_opening": "Standard 8 ft W x 10 ft H; fitted up to 10 ft 0 in W x 12 ft 0 in H", "published_projection": "10 in", "published_trailer_range": "", "published_warranty": "", "other_published_figures": "Two 10 ft H vertical pads with a 12 in face; 10 ft x 24 in drop head curtain", "key_published_limitation": "Larger opening requires wedge-shaped vertical pads and a longer drop curtain - a configuration, not the standard unit. Header foam insert dimensions excluded: source states 24 in high in one paragraph and 18 in high in another", "verification_tier": "STAR", "source_url": "https://supersealmfg.com/products/seals-shelters/dock-seals/series-0251-foam-pad-curtain-dock-seal/", "date_checked": "2026-09-12", "record_id": "ss0251", "record_kind": "named_family", "is_seal_label": "true", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S35", "verification_basis": "Manufacturer product page read directly" }, { "manufacturer": "Super-Seal", "product_or_class": "DW Series", "manufacturer_label": "Hybrid shelter", "published_max_door_opening": "Standard configuration for 10 ft W x 10 ft H", "published_projection": "24 in from wall face; separately recommended 18-20 in ahead of dock bumper", "published_trailer_range": "12 ft to 13 ft 6 in from grade at a 48 in dock height; seals trailers over 8 ft wide", "published_warranty": "", "other_published_figures": "Outside unit 11 ft 8 in W x 11 ft H; 21 in inward vertical panels; 36 in drop header", "key_published_limitation": "Can be designed for oversized openings without a published numerical maximum", "verification_tier": "STAR", "source_url": "https://supersealmfg.com/products/seals-shelters/hybrid-shelters/dock-wedge/", "date_checked": "2026-09-12", "record_id": "ss-dw", "record_kind": "named_family", "is_seal_label": "false", "documented_configuration_width_in": 120, "width_basis": "Documented configuration; not necessarily an absolute product maximum", "source_ids": "S36", "verification_basis": "Manufacturer product page read directly" } ], "code_ledger": [ { "record_id": "iecc2012", "document": "IECC", "edition": "2012", "section": "C402.4.6", "requirement_summary": "Weatherseals restrict infiltration when a vehicle is parked in the doorway", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "No exclusion in this clause", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S01", "source_urls": "https://media.iccsafe.org/news/eNews/2012v9n14/iecc-ashrae.pdf", "verification_note": "Clause reproduced in ICC comparison; not a whole-code applicability determination.", "date_checked": "2026-09-12" }, { "record_id": "iecc2015", "document": "IECC", "edition": "2015", "section": "C402.5.6", "requirement_summary": "DOE documentation presents loading-dock weatherseals as an infiltration-control requirement", "explicit_top_and_side_contact": "Not stated in cited training", "climate_zone_scope": "No exclusion stated in cited clause summary", "verification_tier": "DOT", "publish_status": "included", "source_ids": "S02", "source_urls": "https://www.energycodes.gov/sites/default/files/2019-09/2015_IECC_commercial_requirements_envelope.pdf", "verification_note": "Official training used for historical comparison, not independently read model-code text.", "date_checked": "2026-09-12" }, { "record_id": "iecc2018", "document": "IECC", "edition": "2018", "section": "C402.5.6", "requirement_summary": "Official code-change review records CE116-16 adding direct contact along vehicle top and sides", "explicit_top_and_side_contact": "Yes, as documented in change review", "climate_zone_scope": "No climate limitation established by this review row", "verification_tier": "DOT", "publish_status": "included", "source_ids": "S03", "source_urls": "https://www.floridabuilding.org/FBC/thecode/2020_Code_Development/I-Code-Changes-Requested/Swami-FSEC.pdf", "verification_note": "Historical change attribution only; complete issuer clause not retrieved in this pass.", "date_checked": "2026-09-12" }, { "record_id": "iecc2021", "document": "IECC", "edition": "2021", "section": "C402.5.8", "requirement_summary": "Direct-contact clause evidenced by the adopting Washington text in the next row", "explicit_top_and_side_contact": "Yes in the Washington adoption", "climate_zone_scope": "See Washington adoption", "verification_tier": "DOT", "publish_status": "included", "source_ids": "S04", "source_urls": "https://app.leg.wa.gov/wac/default.aspx?cite=51-11C-40246", "verification_note": "Not a claim to have independently read the unamended 2021 model code; not C402.5.6.", "date_checked": "2026-09-12" }, { "record_id": "washington2021", "document": "Washington State Energy Code", "edition": "2021 code; effective 2024-03-15", "section": "WAC 51-11C-40246 / C402.5.8", "requirement_summary": "Weatherseals restrict infiltration and contact the top and sides of vehicles parked in the doorway", "explicit_top_and_side_contact": "Yes", "climate_zone_scope": "No exclusion in this clause", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S04", "source_urls": "https://app.leg.wa.gov/wac/default.aspx?cite=51-11C-40246", "verification_note": "", "date_checked": "2026-09-12" }, { "record_id": "ashrae2001am", "document": "ASHRAE 90.1", "edition": "2001, Addendum am", "section": "Instruction: 5.3.3.3; displayed heading: 5.5.3.3", "requirement_summary": "Addendum substitutes climate-zone scope for the former heating-degree-day formulation", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "4 through 8", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S05", "source_urls": "https://www.ashrae.org/File%20Library/Technical%20Resources/Standards%20and%20Guidelines/Standards%20Addenda/90-1-2001/90-1-2001_Add-am.pdf", "verification_note": "Source numbering discrepancy preserved rather than silently reconciled.", "date_checked": "2026-09-12" }, { "record_id": "ashrae2007", "document": "ASHRAE 90.1", "edition": "2007", "section": "5.4.3.3", "requirement_summary": "Weatherseals restrict infiltration when vehicles are parked in the doorway", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "4 through 8", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S06", "source_urls": "https://shop.iccsafe.org/media/wysiwyg/material/8950P199-sample.pdf", "verification_note": "", "date_checked": "2026-09-12" }, { "record_id": "ashrae2010", "document": "ASHRAE 90.1", "edition": "2010", "section": "5.4.3.3", "requirement_summary": "Weatherseals restrict infiltration when vehicles are parked in the doorway", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "4 through 8", "verification_tier": "DOT", "publish_status": "included", "source_ids": "S01", "source_urls": "https://media.iccsafe.org/news/eNews/2012v9n14/iecc-ashrae.pdf", "verification_note": "Clause reproduced in ICC comparison, not a full ASHRAE edition read-through.", "date_checked": "2026-09-12" }, { "record_id": "ashrae2013", "document": "ASHRAE 90.1", "edition": "2013", "section": "", "requirement_summary": "No weatherseal-clause conclusion retained: original edition text was not independently retrieved in this pass", "explicit_top_and_side_contact": "", "climate_zone_scope": "", "verification_tier": "EXCLUDED", "publish_status": "excluded", "source_ids": "", "source_urls": "", "verification_note": "Historical record retained to show the evidence gap; not used for climate-scope calculation or operative advice.", "date_checked": "2026-09-12" }, { "record_id": "ashrae2016", "document": "ASHRAE 90.1", "edition": "2016", "section": "5.4.3.3", "requirement_summary": "Weatherseals restrict infiltration when vehicles are parked in the doorway", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "0 and 4 through 8", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S07;S42", "source_urls": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf | https://www.oregon.gov/bcd/codes-stand/Documents/ashrae90.1-2016-envelope.pdf", "verification_note": "", "date_checked": "2026-09-12" }, { "record_id": "ashrae2019", "document": "ASHRAE 90.1", "edition": "2019 original clause", "section": "5.4.3.3", "requirement_summary": "Original infiltration wording is visible in ASHRAE's later addendum redline", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "0 and 4 through 8", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S08", "source_urls": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90_1_2019_t_20220812.pdf", "verification_note": "Original text identified from the issuer redline; not mislabeled as 5.4.3.2.", "date_checked": "2026-09-12" }, { "record_id": "ashrae2019t", "document": "ASHRAE 90.1", "edition": "2019 with Addendum t (2022)", "section": "5.4.3.2 after renumbering", "requirement_summary": "Changes infiltration wording to air leakage; moves the clause from 5.4.3.3 to 5.4.3.2", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "0 and 4 through 8", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S08", "source_urls": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90_1_2019_t_20220812.pdf", "verification_note": "", "date_checked": "2026-09-12" }, { "record_id": "houston-historical", "document": "Houston amendment lead", "edition": "Historical entry", "section": "", "requirement_summary": "No local weatherseal requirement retained: cited amendment text was not retrieved in this verification pass", "explicit_top_and_side_contact": "", "climate_zone_scope": "", "verification_tier": "EXCLUDED", "publish_status": "excluded", "source_ids": "", "source_urls": "", "verification_note": "The prior claim that Houston narrowed the rule to conditioned warehouses is withdrawn, not used as evidence.", "date_checked": "2026-09-12" }, { "record_id": "nc-path", "document": "North Carolina Energy Conservation Code", "edition": "2018 NCECC", "section": "C401.2 Item 1", "requirement_summary": "Offers ANSI/ASHRAE/IESNA 90.1 as a compliance path; original referenced edition identified as 2013 in dated OSFM guidance", "explicit_top_and_side_contact": "Not a weatherseal clause", "climate_zone_scope": "Not applicable", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S09;S18", "source_urls": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-4-ce-commercial-energy-efficiency | https://www.ncosfm.gov/guidance-papers/sl-2022-46-temporary-reduction-duct-insulation-levels-commercial-buildings/open", "verification_note": "Other paths also exist. Approved Item 4 amendment below must not be conflated with Item 1.", "date_checked": "2026-09-12" }, { "record_id": "nc-weatherseal", "document": "North Carolina Energy Conservation Code", "edition": "2018 NCECC", "section": "C402.5.6", "requirement_summary": "Weatherseals restrict infiltration when vehicles are parked in the doorway", "explicit_top_and_side_contact": "No explicit wording", "climate_zone_scope": "No exclusion in this clause", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S10", "source_urls": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "verification_note": "Subject to whole-code scope, including the statutory F/S/U exemption.", "date_checked": "2026-09-12" }, { "record_id": "nc-exemption", "document": "North Carolina General Statutes / approved energy-code amendment", "edition": "Law as checked 2026-09-12", "section": "G.S. 143-138(b18); C101.2 exception", "requirement_summary": "Primary Factory, Storage or Utility occupancy exempts the entire building floor area from energy-code provisions", "explicit_top_and_side_contact": "Not applicable", "climate_zone_scope": "Statewide statutory scope", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S12;S13", "source_urls": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html | https://www.ncosfm.gov/2017-2024-approved-amendments-241210energy-conservation-code/open", "verification_note": "", "date_checked": "2026-09-12" }, { "record_id": "nc-comcheck", "document": "North Carolina approved energy-code amendment", "edition": "Effective 2021-01-01", "section": "C401.2 Item 4", "requirement_summary": "Permits COMcheck keyed to the 2018 IECC or ASHRAE 90.1-2016 to demonstrate compliance", "explicit_top_and_side_contact": "Not a weatherseal clause", "climate_zone_scope": "Not applicable", "verification_tier": "STAR", "publish_status": "included", "source_ids": "S13", "source_urls": "https://www.ncosfm.gov/2017-2024-approved-amendments-241210energy-conservation-code/open", "verification_note": "", "date_checked": "2026-09-12" } ], "counties": [ { "county": "Alamance", "climate_zone_2018_NCECC_Table_C301_1": "4A", "within_ASHRAE_2016_clause_zone_scope": "true", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "false", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "true", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": 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"https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Warren", "climate_zone_2018_NCECC_Table_C301_1": "4A", "within_ASHRAE_2016_clause_zone_scope": "true", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "false", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Washington", "climate_zone_2018_NCECC_Table_C301_1": "3A", "within_ASHRAE_2016_clause_zone_scope": "false", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "true", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Watauga", "climate_zone_2018_NCECC_Table_C301_1": "5A", "within_ASHRAE_2016_clause_zone_scope": "true", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "false", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Wayne", "climate_zone_2018_NCECC_Table_C301_1": "3A", "within_ASHRAE_2016_clause_zone_scope": "false", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "true", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Wilkes", "climate_zone_2018_NCECC_Table_C301_1": "4A", "within_ASHRAE_2016_clause_zone_scope": "true", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "false", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Wilson", "climate_zone_2018_NCECC_Table_C301_1": "3A", "within_ASHRAE_2016_clause_zone_scope": "false", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "true", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Yadkin", "climate_zone_2018_NCECC_Table_C301_1": "4A", "within_ASHRAE_2016_clause_zone_scope": "true", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "false", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "true", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" }, { "county": "Yancey", "climate_zone_2018_NCECC_Table_C301_1": "5A", "within_ASHRAE_2016_clause_zone_scope": "true", "NCECC_2018_C402_5_6_has_zone_exclusion": "false", "clause_climate_scopes_differ": "false", "primary_F_S_U_occupancy_exemption": "Applies statewide to entire floor area where G.S. 143-138(b18) applies", "project_requirement_determined": "false", "piedmont_triad_county": "false", "verification_tier": "STAR", "zone_source_url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "comparison_clause_source_url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "NC_clause_source_url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "exemption_source_url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "date_checked": "2026-09-12" } ], "sources": [ { "id": "S01", "publisher": "International Code Council", "title": "2012 IECC and ASHRAE 90.1-2010 comparison", "url": "https://media.iccsafe.org/news/eNews/2012v9n14/iecc-ashrae.pdf", "locator": "PDF page 40; printed page 35", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Issuer comparison reproduces both loading-dock clauses; not the full standards." }, { "id": "S02", "publisher": "U.S. Department of Energy, Building Energy Codes Program", "title": "2015 IECC Commercial Requirements: Envelope", "url": "https://www.energycodes.gov/sites/default/files/2019-09/2015_IECC_commercial_requirements_envelope.pdf", "locator": "Loading dock weatherseals, C402.5.6", "source_date": null, "date_checked": "2026-09-12", "source_type": "official_documentary_corroboration", "verification_note": "Official training publication; not a substitute for a jurisdiction's adopted text." }, { "id": "S03", "publisher": "Florida Building Commission / Florida Solar Energy Center", "title": "2018 model-code change review: CE116-16", "url": "https://www.floridabuilding.org/FBC/thecode/2020_Code_Development/I-Code-Changes-Requested/Swami-FSEC.pdf", "locator": "CE116-16; C402.5.6", "source_date": null, "date_checked": "2026-09-12", "source_type": "official_documentary_corroboration", "verification_note": "Official code-change review documenting the direct-contact addition; not the complete 2018 model code." }, { "id": "S04", "publisher": "Washington State Legislature", "title": "WAC 51-11C-40246: C402.5.8 Loading dock weatherseals", "url": "https://app.leg.wa.gov/wac/default.aspx?cite=51-11C-40246", "locator": "C402.5.8 and rule history", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Adopted Washington text; rule history gives March 15, 2024 effective date. Do not substitute for another jurisdiction's adoption." }, { "id": "S05", "publisher": "ASHRAE", "title": "Addendum am to Standard 90.1-2001", "url": "https://www.ashrae.org/File%20Library/Technical%20Resources/Standards%20and%20Guidelines/Standards%20Addenda/90-1-2001/90-1-2001_Add-am.pdf", "locator": "Loading dock weatherseals redline, PDF pages 5–6", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Editorial instruction and printed heading use different section numbers; the discrepancy is preserved." }, { "id": "S06", "publisher": "ASHRAE; sample hosted by International Code Council", "title": "Standard 90.1-2007 sample", "url": "https://shop.iccsafe.org/media/wysiwyg/material/8950P199-sample.pdf", "locator": "Printed page 18, Section 5.4.3.3", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Original standard excerpt hosted by a code publisher." }, { "id": "S07", "publisher": "ASHRAE", "title": "Published addenda to Standard 90.1-2016", "url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90.1-2016/90_1_2016_t_v_y_al_an_ao_at_aw_ay...pdf", "locator": "PDF page 19; unchanged Section 5.4.3.3 in the reproduced text", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "The three periods before .pdf are part of the source URL." }, { "id": "S08", "publisher": "ASHRAE", "title": "Addendum t to Standard 90.1-2019", "url": "https://www.ashrae.org/file%20library/technical%20resources/standards%20and%20guidelines/standards%20addenda/90_1_2019_t_20220812.pdf", "locator": "PDF page 7; loading dock weatherseals redline", "source_date": "2022", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "The redline distinguishes original 5.4.3.3 from revised 5.4.3.2; 2022 addendum." }, { "id": "S09", "publisher": "International Code Council / North Carolina", "title": "2018 North Carolina State Building Code: Energy Conservation Code, Chapter 4", "url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-4-ce-commercial-energy-efficiency", "locator": "C401.2; C402.5.6", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Adopted integrated North Carolina text read directly; not the same document as the 2018 model IECC." }, { "id": "S10", "publisher": "International Code Council / North Carolina", "title": "2018 North Carolina Energy Conservation Code: Loading dock weatherseals", "url": "https://codes.iccsafe.org/s/NCECC2018/chapter-4-ce-commercial-energy-efficiency/NCECC2018-Pt01-Ch04-SecC402.5.6", "locator": "C402.5.6", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "The adopted clause requires restriction of infiltration; it does not contain the model 2018 IECC direct-contact addition." }, { "id": "S11", "publisher": "International Code Council / North Carolina", "title": "2018 North Carolina Energy Conservation Code, Chapter 3", "url": "https://codes.iccsafe.org/content/NCECC2018P3/chapter-3-ce-general-requirements", "locator": "Table C301.1, all 100 county entries", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "All county-zone assignments transcribed from the adopted integrated code." }, { "id": "S12", "publisher": "North Carolina General Assembly", "title": "G.S. 143-138: North Carolina State Building Code", "url": "https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_143/GS_143-138.html", "locator": "Subsection (b18)", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Primary Factory, Storage and Utility occupancy exemption applies to the entire floor area." }, { "id": "S13", "publisher": "North Carolina Office of the State Fire Marshal", "title": "Approved amendments: 2018 Energy Conservation Code", "url": "https://www.ncosfm.gov/2017-2024-approved-amendments-241210energy-conservation-code/open", "locator": "C101.2; C401.2 Item 4; PDF page 2", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Approved text, not the proposed-amendments document. COMcheck provision effective January 1, 2021; cover updated January 7, 2026." }, { "id": "S14", "publisher": "North Carolina Office of the State Fire Marshal", "title": "Codes — Current and Past", "url": "https://www.ncosfm.gov/codes/codes-current-and-past", "locator": "2018 North Carolina codes", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "2018 code effective January 1, 2019; based on 2015 International Codes with North Carolina amendments." }, { "id": "S15", "publisher": "North Carolina Office of the State Fire Marshal", "title": "Letter regarding 2024 State Building Code effective date", "url": "https://www.ncosfm.gov/letter-re-2024-state-building-code-effective-date/open", "locator": "March 31, 2025 letter, both pages", "source_date": "2025-03-31", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Distinguishes permanent-rule status from effective date; explains alternate-method route." }, { "id": "S16", "publisher": "North Carolina General Assembly", "title": "Session Law 2025-2", "url": "https://www.ncleg.gov/EnactedLegislation/SessionLaws/HTML/2025-2026/SL2025-2.html", "locator": "Section 5.12(b)", "source_date": "2025", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Twelve months after the first day of the month following certification—not twelve months after the certification date." }, { "id": "S17", "publisher": "North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors", "title": "Update on new North Carolina State Building Code effective dates", "url": "https://nclicensing.org/wp-content/uploads/2026/05/2026-06-01-Code-Update.pdf", "locator": "June 1, 2026 update", "source_date": "2026-06-01", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "May 1, 2027 was the earliest possible date reported in this dated update, not an established statewide effective date." }, { "id": "S18", "publisher": "North Carolina Office of the State Fire Marshal", "title": "Guidance concerning Session Law 2022-46 temporary commercial duct-insulation relief", "url": "https://www.ncosfm.gov/guidance-papers/sl-2022-46-temporary-reduction-duct-insulation-levels-commercial-buildings/open", "locator": "Question 3", "source_date": "2022-07-20", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Used only to document the original C401.2 Item 1 reference to 90.1-2013. Its temporary duct-relief provisions are not presented as current." }, { "id": "S19", "publisher": "MHI, Loading Dock Equipment Manufacturers (LODEM)", "title": "Dock equipment standards, publications and energy-savings guidance", "url": "https://og.mhi.org/lodem", "locator": "MH30 standards list; energy-savings estimation discussion", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Three listed MH30 standards have 2022 editions; efficiency claims lack a defined test denominator in the cited page." }, { "id": "S20", "publisher": "Rite-Hite", "title": "Rite-Hite Dock Seal Lineup", "url": "https://pdf.directindustry.com/pdf/rite-hite/rite-hite-dock-seal-lineup/36057-844651.html", "locator": "Original manufacturer catalog page, not the platform-generated summary", "source_date": null, "date_checked": "2026-09-12", "source_type": "manufacturer_original_hosted_copy", "verification_note": "Archived manufacturer-authored brochure hosted by DirectIndustry; brochure date not established. Its warranty language is not a current transaction-specific warranty confirmation." }, { "id": "S21", "publisher": "Rite-Hite", "title": "Classic dock seal", "url": "https://www.ritehite.com/en/am/products/dock-seals-and-shelters/dock-seals/classic", "locator": "Features; head-pad and head-curtain designs", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "No model-specific maximum opening extracted from the reviewed page." }, { "id": "S22", "publisher": "Rite-Hite", "title": "Performer dock seal", "url": "https://www.ritehite.com/en/am/products/dock-seals-and-shelters/dock-seals/performer", "locator": "Features and warranty", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "36-month money-back provision requires appropriately signed paperwork; separate 12-month parts-and-labor coverage." }, { "id": "S23", "publisher": "Rite-Hite", "title": "Complete Dock Sealing Guide", "url": "https://www.ritehite.com/en/am/resource-center/Literature/88C3D4B6409F43DE94BC37F79CBBF3F4/complete_seal_brochure", "locator": "Hinge-gap discussion; four gap-cost categories and total", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Manufacturer illustrations and estimates, not independent measurements or a national cost survey. Retrieved document bears a 2026 copyright; estimate base year not stated." }, { "id": "S24", "publisher": "Rite-Hite", "title": "Complete Dock Sealing Guide, archived manufacturer catalog", "url": "https://pdf.directindustry.com/pdf/rite-hite/complete-dock-sealing-guide/36057-660315.html", "locator": "Original catalog excerpts and page images, especially pages 8–9", "source_date": null, "date_checked": "2026-09-12", "source_type": "manufacturer_original_hosted_copy", "verification_note": "15.2-square-foot worksheet example and cost figure assessed as manufacturer illustrations. Platform-generated overview is not a source." }, { "id": "S25", "publisher": "Pentalift Equipment Corporation", "title": "How to choose between foam compression dock seals, inflatable dock seals and dock shelters", "url": "https://www.pentalift.com/choosing-dock-seals-dock-shelters/", "locator": "General size, projection and mechanism guidance", "source_date": "2026-04-01", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "General category guidance is not a model-specific maximum." }, { "id": "S26", "publisher": "Pentalift Equipment Corporation", "title": "PS-100 Fixed Header Dock Seals", "url": "https://www.pentalift.com/solutions/ps-100-fixed-header-dock-seals/", "locator": "Best-suited opening sizes", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "The stated applications are not presented here as a universal maximum." }, { "id": "S27", "publisher": "Pentalift Equipment Corporation", "title": "PSI-350AA Adjustable Header Inflatable Dock Seals", "url": "https://www.pentalift.com/solutions/psi-350aa-adjustable-header-inflatable-dock-seals/", "locator": "Opening-size and adjustable-header description", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "" }, { "id": "S28", "publisher": "Pentalift Equipment Corporation", "title": "Dock seals and shelters: product models", "url": "https://www.pentalift.com/solutions_category/product-models-dock-seals-and-shelters/", "locator": "Product names, inflatable families, rigid shelter access", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "" }, { "id": "S29", "publisher": "Blue Giant Equipment Corporation", "title": "Full Access Dock Seals", "url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/full-access/", "locator": "Published applications, features and options", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Manufacturer-published specification, not independent testing; page publication date not established." }, { "id": "S30", "publisher": "Blue Giant Equipment Corporation", "title": "Stationary Inflatable Dock Seal", "url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/inflatables/stationary-inflatable/", "locator": "Published applications, features and options", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Manufacturer-published specification, not independent testing; page publication date not established." }, { "id": "S31", "publisher": "Blue Giant Equipment Corporation", "title": "Stationary Shelter", "url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/stationary-shelter/", "locator": "Published applications, features and options", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Manufacturer-published specification, not independent testing; page publication date not established." }, { "id": "S32", "publisher": "Blue Giant Equipment Corporation", "title": "Retractable Shelter", "url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/retractable-shelter/", "locator": "Published applications, features and options", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Manufacturer-published specification, not independent testing; page publication date not established." }, { "id": "S33", "publisher": "Blue Giant Equipment Corporation", "title": "Foam Frame Shelter (BG600)", "url": "https://www.bluegiant.com/en/products/dock-equipment/seals-and-shelters/shelters/foam-frame/", "locator": "Published applications, features and options", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Manufacturer-published specification, not independent testing; page publication date not established." }, { "id": "S34", "publisher": "Blue Giant Equipment Corporation", "title": "Architect resources: dock planning and design, door size", "url": "https://www.bluegiant.com/en/architects/planning-and-design/door-size/", "locator": "Dock heights; door centerlines; vehicle-height illustration", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "The flatbed and closed-van heights refer to different parts of those vehicles; they are not a single trailer roof-height range." }, { "id": "S35", "publisher": "Super-Seal Manufacturing", "title": "Series 0251 Foam Pad Curtain Dock Seal", "url": "https://supersealmfg.com/products/seals-shelters/dock-seals/series-0251-foam-pad-curtain-dock-seal/", "locator": "Standard configuration; larger-opening options", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Conflicting header foam-insert dimensions are excluded. Wedge pads and longer curtain are required for the larger published configuration." }, { "id": "S36", "publisher": "Super-Seal Manufacturing", "title": "DW Series Hybrid Shelter", "url": "https://supersealmfg.com/products/seals-shelters/hybrid-shelters/dock-wedge/", "locator": "Opening size; outside unit; projection; trailer range", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Keep wall-face projection separate from projection ahead of bumpers; trailer heights are conditional on 48-inch dock height." }, { "id": "S37", "publisher": "Super-Seal Manufacturing", "title": "0401A Stationary Inflatable Dock Shelter", "url": "https://supersealmfg.com/products/seals-shelters/truck-shelters/0401a-stationary-inflatablel-dock-shelter/", "locator": "Opening-width discrepancy", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Introduction gives 10 ft width; detailed opening line gives 10 ft 10 in. Product remains excluded from the 14-record sample; no single width adopted." }, { "id": "S38", "publisher": "United States patent record", "title": "US4671029A, Dock shelter", "url": "https://patents.google.com/patent/US4671029A/en", "locator": "Background discussion of inward seal protrusion and exterior shelter contact", "source_date": "1987", "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Patent narrative is design background, not a measured failure-rate or life-expectancy study." }, { "id": "S39", "publisher": "U.S. Occupational Safety and Health Administration", "title": "Powered Industrial Trucks eTool: Loading Docks", "url": "https://www.osha.gov/etools/powered-industrial-trucks/workplace/loading-docks", "locator": "Dock-edge falls; wet or icy conditions", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Safety reference; no installation or hazardous-work procedure reproduced." }, { "id": "S40", "publisher": "Piedmont Triad Regional Council", "title": "About the Piedmont Triad Regional Council", "url": "https://www.ptrc.org/about", "locator": "Twelve-county service area", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Used for regional membership, not population or economic estimates." }, { "id": "S41", "publisher": "Shums Coda Associates; hosted by Montana Department of Labor and Industry", "title": "ASHRAE 90.1-2019 training handout", "url": "https://bsd.dli.mt.gov/_docs/Training/90.1-2019-Handout.pdf", "locator": "Loading dock weatherseals slide", "source_date": null, "date_checked": "2026-09-12", "source_type": "government_hosted_training", "verification_note": "Retained only to disclose its numbering conflict with the ASHRAE addendum; not used to establish original 2019 numbering." }, { "id": "S42", "publisher": "U.S. Department of Energy; hosted by Oregon Building Codes Division", "title": "ASHRAE 90.1-2016 Envelope training", "url": "https://www.oregon.gov/bcd/codes-stand/Documents/ashrae90.1-2016-envelope.pdf", "locator": "Loading dock weatherseals slide", "source_date": null, "date_checked": "2026-09-12", "source_type": "official_documentary_corroboration", "verification_note": "Official training corroboration; issuer text in S07 controls the 2016 ledger row." }, { "id": "S43", "publisher": "Piedmont Triad Regional Council", "title": "Who We Are and What We Do: member governments", "url": "https://www.ptrc.org/about/who-we-are-and-what-we-do", "locator": "Member counties and municipalities", "source_date": null, "date_checked": "2026-09-12", "source_type": "primary", "verification_note": "Regional reference; community names in the county table do not determine a property's legal jurisdiction." } ], "cautions": [ "No market-share inference from this purposive documentation sample.", "The county crosswalk compares the 2018 North Carolina zone labels with the explicitly dated 2016 ASHRAE clause. It does not verify every ASHRAE edition's county map or establish legal applicability.", "Primary F/S/U occupancy exemption must be assessed before drawing any North Carolina energy-code conclusion.", "Blank fields are not zero, not universal approval, and not proof that a fact is unavailable elsewhere.", "Manufacturer illustrations, archived warranty statements, and equipment ratings are not independent measurements or current contract terms." ] }