{ "dataset": "Steel Door Gauge Chart: Five-Table Reconciliation", "version": "1.2.0", "verified": "2026-09-16", "publisher": "Milwaukee Dock Door Repair Research", "sources": [ { "source_id": "S1", "publisher": "Steel Door Institute", "title": "Specifications for Standard Steel Doors and Frames (SDI-100)", "url": "https://steeldoor.org/ansi-250-8/", "edition_or_date": "ANSI/SDI A250.8-2023", "locator": "Sections 1.4, 2.1–2.4; Tables 2–4; Appendices A–C", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S2", "publisher": "Steel Door Institute", "title": "Manufacturing Tolerances for Standard Steel Doors & Frames", "url": "https://steeldoor.org/sdi-117/", "edition_or_date": "SDI 117-26", "locator": "Sections 1, 3.2, 4.1–4.2, 6.2–6.5", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S3", "publisher": "Steel Door Institute", "title": "Recommended Selection and Usage Guide for Standard Steel Doors", "url": "https://steeldoor.org/sdi-108/", "edition_or_date": "SDI 108-23", "locator": "Table 1 and notes", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S4", "publisher": "Steel Door Institute", "title": "Test Procedure and Acceptance Criteria for Physical Endurance for Steel Doors, Frames and Frame Anchors", "url": "https://steeldoor.org/ansi-250-4/", "edition_or_date": "ANSI/SDI A250.4-2026", "locator": "Sections 2.2, 5.1, 7.1", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S5", "publisher": "DASMA", "title": "Technical Data Sheet 154: DASMA Metal Gauge Chart", "url": "https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf", "edition_or_date": "10/9/03; revised 12/10; reaffirmed 09/17", "locator": "Steel table, PDF page 2; introduction and references", "verification_method": "Issuer PDF text plus table screenshot", "verified": "2026-09-16" }, { "source_id": "S6", "publisher": "DASMA / Karl A. Hermann", "title": "The Gauge Controversy Explained", "url": "https://www.dasma.com/the-gauge-controversy-explained/", "edition_or_date": "Door & Access Systems, Winter 2008, p. 56", "locator": "Historical 24-gauge G40 tolerance example", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S7", "publisher": "NAAMM / Hollow Metal Manufacturers Association", "title": "Guide Specifications for Commercial Hollow Metal Doors and Frames", "url": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf", "edition_or_date": "NAAMM HMMA 861-14; seventh edition, September 15, 2014", "locator": "Sections 1.04, 1.05.A.2, 2.01.B, 2.03.B; foreword", "verification_method": "Issuer-hosted PDF parsed text read directly; page-image renderer unavailable", "verified": "2026-09-16" }, { "source_id": "S8", "publisher": "NAAMM", "title": "HMMA Publications catalogue", "url": "https://naamm.org/divisions/hmma/publications/", "edition_or_date": "Catalogue checked September 16, 2026", "locator": "Listings and issuer download links for HMMA 803-08 and HMMA 861-14", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S9", "publisher": "Clopay Building Products", "title": "Steel Gauge vs. Decimal Thickness of Steel", "url": "https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf", "edition_or_date": "Undated", "locator": "24-gauge worked example; 41.82 lb/ft²/in and 669.12 oz/ft²/in reference constants", "verification_method": "Manufacturer PDF text and page 1 screenshot", "verified": "2026-09-16" }, { "source_id": "S10", "publisher": "Steel Source", "title": "Gage Table / Tabla de Calibres", "url": "https://steelsource.us/gage-tabletabla-de-calibres/", "edition_or_date": "Undated", "locator": "Galvanized table; Hot Rolled/P&O/Cold Rolled nominal and lower ordering-limit columns; weight formula", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S11", "publisher": "National Institute of Standards and Technology", "title": "SI Units – Length", "url": "https://www.nist.gov/pml/owm/si-units-length", "edition_or_date": "Page updated September 19, 2025", "locator": "FAQ: exact inch-to-millimeter conversion", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S12", "publisher": "Wisconsin Department of Safety and Professional Services", "title": "Commercial Buildings", "url": "https://dsps.wi.gov/pages/Programs/CommercialBuildings/Default.aspx", "edition_or_date": "Live program notice checked September 16, 2026", "locator": "2021 ICC adoption September 1, 2025; November 1, 2025 plan-compliance date", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S13", "publisher": "Wisconsin Department of Safety and Professional Services", "title": "SPS 361 insert pages for the 2021 IBC", "url": "https://dsps.wi.gov/Documents/Programs/CommercialBuildings/SPS361Insert.pdf", "edition_or_date": "September 1, 2025", "locator": "Heading and SPS 361.03(14)", "verification_method": "Issuer PDF text and page 2 screenshot", "verified": "2026-09-16" }, { "source_id": "S14", "publisher": "Overhead Door", "title": "Rolling Steel Service Doors – Advanced, model 611", "url": "https://www.overheaddoor.com/commercial/commercial-details/rolling-steel-service-doors-611", "edition_or_date": "Undated live product page", "locator": "Curtain specifications and curved-profile options", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S15", "publisher": "Conspectus", "title": "What thickness is that gage?", "url": "https://www.conspectusinc.com/blog/2012/07/what_thickness_is_that_gage", "edition_or_date": "July 9, 2012", "locator": "Prior published comparison of HMMA and SDI; not used as thickness data", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S16", "publisher": "NAAMM / Hollow Metal Manufacturers Association", "title": "Steel Tables", "url": "https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "edition_or_date": "HMMA 803-08 (2008)", "locator": "Minimum uncoated-steel thickness table and source/metric notes", "verification_method": "Issuer PDF text plus table screenshot", "verified": "2026-09-16" }, { "source_id": "S17", "publisher": "U.S. Government Publishing Office / U.S. Code", "title": "15 U.S.C. §206, Standard gauge for sheet and plate iron and steel", "url": "https://www.govinfo.gov/link/uscode/15/206", "edition_or_date": "Act of March 3, 1893, as reproduced in the linked U.S. Code extract", "locator": "Weight per square foot in ounces avoirdupois, gauges 3–30; NOT its thickness column", "verification_method": "Official PDF text plus table screenshot", "verified": "2026-09-16" }, { "source_id": "S18", "publisher": "UL Solutions", "title": "Doors, Windows and Related Hardware Application Guide", "url": "https://www.ul.com/thecodeauthority/knowledge/ul-fire-rated-doors-guide", "edition_or_date": "Undated live guide", "locator": "Fire-door certification, installation and application", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S19", "publisher": "Overhead Door", "title": "Insulated Rolling Service Doors, model 626", "url": "https://www.overheaddoor.com/commercial/commercial-details/rolling-steel-service-doors-626", "edition_or_date": "Undated live product page", "locator": "Flat-profile F-265i front and back slat options", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" }, { "source_id": "S20", "publisher": "UL Solutions", "title": "UL Fire Door Inspection and Field Evaluation Programs: What Are the Differences?", "url": "https://www.ul.com/resources/ul-fire-door-inspection-and-field-evaluation-programs-what-are-differences", "edition_or_date": "Undated live explanation", "locator": "Inspection versus field evaluation of modified labelled assemblies", "verification_method": "Issuer/publisher HTML read directly", "verified": "2026-09-16" } ], "field_definitions": { "weight_basis_oz_per_sqft": "Published ounces-per-square-foot column of 15 U.S.C. §206 for gauges 3–30, not its distinct thickness column.", "weight_basis_computed_in": "weight_basis_oz_per_sqft / 669.12; a declared reconstruction using Clopay’s reference constant. Rounded to four decimals, not a published requirement, excluded from spread.", "gsg_galvanized_nominal_in": "Steel Source Galvanized table nominal, not a declared coating class or measured sheet.", "msg_nominal_published_in": "Steel Source Hot Rolled/P&O/Cold Rolled nominal as printed.", "supplier_lower_ordering_limit_in": "Steel Source Hot Rolled/P&O/Cold Rolled lower ordering limit, not a universal mill contract.", "dasma_tds154_min_in": "DASMA TDS154 bare-steel minimum as printed.", "dasma_g60_in": "DASMA TDS154 G-60 figure, including coating.", "dasma_g90_in": "DASMA TDS154 G-90 figure, including coating.", "sdi_117_26_min_in": "SDI117-26 §4.1 minimum reference, seven gauges only.", "sdi_a250_8_table2_pub_mm": "Metric value printed in A250.8-2023 Table 2, Models 1 and 2, only gauges20,18,16,14.", "hmma_803_min_in": "Minimum uncoated steel in HMMA803-08, 15 gauges.", "hmma_803_pub_mm": "HMMA803-08 printed reference millimeters, preserved without mathematical correction.", "calculated_mm_of_hollow_metal_min": "Cited inch minimum × exactly25.4; four-decimal display; not a replacement for the source’s printed metric.", "lowest_published_in": "Minimum across published galvanized nominal, uncoated nominal, supplier lower limit, DASMA bare minimum and available SDI/HMMA minimum. Computed weight column excluded.", "highest_published_in": "Maximum across the same five displayed published-value columns. Computed weight column excluded.", "spread_pct": "100 × (highest_published_in / lowest_published_in −1), rounded once to one decimal; unlike-basis comparison, not tolerance or product variability.", "distinct_published_values": "Count of distinct decimal values in the five published-value columns used for spread; repeated source values counted once.", "calculated_uninterrupted_days_at_15_cycles_per_min": "cycles_required/(15×60×24), rounded one decimal; arithmetic illustration excluding inspections and stops, not observed runtime or service life.", "qualification": "Mandatory context/alternatives for component thickness; read together with min_thickness_in.", "verification": "star indicates primary-source inputs directly checked; calculated outputs separately reproduced; no pending tier in public numeric records.", "date_checked": "Date of this verification pass, not publication date of the underlying source.", "blank_and_null": "Blank CSV cells and JSON null mean absent/not applicable to that source field; never zero." }, "methodology": { "published_spread_formula": "100 * (max(published_values) / min(published_values) - 1)", "computed_weight_formula": "weight_oz_per_sqft / 669.12", "rounding": "Decimal arithmetic; round-half-up once at requested precision; no intermediate rounding before percentages.", "coating_selection": [ 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 ], "coating_total_records": 55, "coating_scope": "Five G classes across 11 preselected gauges; TDS154 contains 22 steel gauges; this is a documented subset.", "no_measurements": "Compilation of published references with derived comparisons; no material sampling, physical testing, survey or product-prevalence study.", "legacy_changes": "Version1.2.0 corrects published-only spreads; replaces misleading mill/MSG-derived field names; clarifies endurance tiers and exceptions. Original record counts preserved." }, "tables": { "gauge_chart": [ { "gauge_no": 3, "weight_basis_oz_per_sqft": 160, "gsg_galvanized_nominal_in": null, "msg_nominal_published_in": "0.239", "weight_basis_computed_in": "0.2391", "supplier_lower_ordering_limit_in": "0.2281", "dasma_tds154_min_in": null, "dasma_g60_in": null, "dasma_g90_in": null, "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": null, "hmma_803_pub_mm": null, "calculated_mm_of_hollow_metal_min": null, "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.2281", "highest_published_in": "0.2390", "spread_pct": "4.8", "distinct_published_values": 2, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/" }, { "gauge_no": 4, "weight_basis_oz_per_sqft": 150, "gsg_galvanized_nominal_in": null, "msg_nominal_published_in": "0.224", "weight_basis_computed_in": "0.2242", "supplier_lower_ordering_limit_in": "0.2162", "dasma_tds154_min_in": null, "dasma_g60_in": null, "dasma_g90_in": null, "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.214", "hmma_803_pub_mm": "5.43", "calculated_mm_of_hollow_metal_min": "5.4356", "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.2140", "highest_published_in": "0.2240", "spread_pct": "4.7", "distinct_published_values": 3, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf ; https://www.nist.gov/pml/owm/si-units-length" }, { "gauge_no": 5, "weight_basis_oz_per_sqft": 140, "gsg_galvanized_nominal_in": null, "msg_nominal_published_in": "0.209", "weight_basis_computed_in": "0.2092", "supplier_lower_ordering_limit_in": "0.2012", "dasma_tds154_min_in": null, "dasma_g60_in": null, "dasma_g90_in": null, "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.199", "hmma_803_pub_mm": "5.05", "calculated_mm_of_hollow_metal_min": "5.0546", "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.1990", "highest_published_in": "0.2090", "spread_pct": "5.0", "distinct_published_values": 3, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf ; https://www.nist.gov/pml/owm/si-units-length" }, { "gauge_no": 6, "weight_basis_oz_per_sqft": 130, "gsg_galvanized_nominal_in": null, "msg_nominal_published_in": "0.194", "weight_basis_computed_in": "0.1943", "supplier_lower_ordering_limit_in": "0.1863", "dasma_tds154_min_in": null, "dasma_g60_in": null, "dasma_g90_in": null, "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.184", "hmma_803_pub_mm": "4.67", "calculated_mm_of_hollow_metal_min": "4.6736", "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.1840", "highest_published_in": "0.1940", "spread_pct": "5.4", "distinct_published_values": 3, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf ; https://www.nist.gov/pml/owm/si-units-length" }, { "gauge_no": 7, "weight_basis_oz_per_sqft": 120, "gsg_galvanized_nominal_in": null, "msg_nominal_published_in": "0.179", "weight_basis_computed_in": "0.1793", "supplier_lower_ordering_limit_in": "0.1723", "dasma_tds154_min_in": null, "dasma_g60_in": null, "dasma_g90_in": null, "sdi_117_26_min_in": "0.167", "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.167", "hmma_803_pub_mm": "4.24", "calculated_mm_of_hollow_metal_min": "4.2418", "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.1670", "highest_published_in": "0.1790", "spread_pct": "7.2", "distinct_published_values": 3, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S2;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://steeldoor.org/sdi-117/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf ; https://www.nist.gov/pml/owm/si-units-length" }, { "gauge_no": 8, "weight_basis_oz_per_sqft": 110, "gsg_galvanized_nominal_in": "0.168", "msg_nominal_published_in": "0.164", "weight_basis_computed_in": "0.1644", "supplier_lower_ordering_limit_in": "0.1574", "dasma_tds154_min_in": "0.1584", "dasma_g60_in": "0.1594", "dasma_g90_in": "0.1599", "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.152", "hmma_803_pub_mm": "3.86", "calculated_mm_of_hollow_metal_min": "3.8608", "supplier_limit_equals_dasma_min": "no", "lowest_published_in": "0.1520", "highest_published_in": "0.1680", "spread_pct": "10.5", "distinct_published_values": 5, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S5;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf ; https://www.nist.gov/pml/owm/si-units-length" }, { "gauge_no": 9, "weight_basis_oz_per_sqft": 100, "gsg_galvanized_nominal_in": "0.153", "msg_nominal_published_in": "0.150", "weight_basis_computed_in": "0.1495", "supplier_lower_ordering_limit_in": "0.1425", "dasma_tds154_min_in": null, "dasma_g60_in": null, "dasma_g90_in": null, "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": null, "hmma_803_pub_mm": null, "calculated_mm_of_hollow_metal_min": null, "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.1425", "highest_published_in": "0.1530", "spread_pct": "7.4", "distinct_published_values": 3, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/" }, { "gauge_no": 10, "weight_basis_oz_per_sqft": 90, "gsg_galvanized_nominal_in": "0.138", "msg_nominal_published_in": "0.135", "weight_basis_computed_in": "0.1345", "supplier_lower_ordering_limit_in": "0.1285", "dasma_tds154_min_in": "0.1285", "dasma_g60_in": "0.1295", "dasma_g90_in": "0.1300", "sdi_117_26_min_in": "0.123", "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.123", "hmma_803_pub_mm": "3.12", "calculated_mm_of_hollow_metal_min": "3.1242", "supplier_limit_equals_dasma_min": "yes", "lowest_published_in": "0.1230", "highest_published_in": "0.1380", "spread_pct": "12.2", "distinct_published_values": 4, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S5;S2;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; 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https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "gauge_no": 28, "weight_basis_oz_per_sqft": 10, "gsg_galvanized_nominal_in": "0.019", "msg_nominal_published_in": "0.015", "weight_basis_computed_in": "0.0149", "supplier_lower_ordering_limit_in": "0.0129", "dasma_tds154_min_in": "0.0129", "dasma_g60_in": "0.0139", "dasma_g90_in": "0.0144", "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": "0.013", "hmma_803_pub_mm": "0.33", "calculated_mm_of_hollow_metal_min": "0.3302", "supplier_limit_equals_dasma_min": "yes", "lowest_published_in": "0.0129", "highest_published_in": "0.0190", "spread_pct": "47.3", "distinct_published_values": 4, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S5;S16;S11", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf ; https://www.nist.gov/pml/owm/si-units-length" }, { "gauge_no": 29, "weight_basis_oz_per_sqft": 9, "gsg_galvanized_nominal_in": "0.017", "msg_nominal_published_in": null, "weight_basis_computed_in": "0.0135", "supplier_lower_ordering_limit_in": null, "dasma_tds154_min_in": "0.0115", "dasma_g60_in": "0.0125", "dasma_g90_in": "0.0130", "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": null, "hmma_803_pub_mm": null, "calculated_mm_of_hollow_metal_min": null, "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.0115", "highest_published_in": "0.0170", "spread_pct": "47.8", "distinct_published_values": 2, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S5", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "gauge_no": 30, "weight_basis_oz_per_sqft": 8, "gsg_galvanized_nominal_in": "0.016", "msg_nominal_published_in": null, "weight_basis_computed_in": "0.0120", "supplier_lower_ordering_limit_in": null, "dasma_tds154_min_in": "0.0100", "dasma_g60_in": "0.0110", "dasma_g90_in": "0.0115", "sdi_117_26_min_in": null, "sdi_a250_8_table2_pub_mm": null, "hmma_803_min_in": null, "hmma_803_pub_mm": null, "calculated_mm_of_hollow_metal_min": null, "supplier_limit_equals_dasma_min": null, "lowest_published_in": "0.0100", "highest_published_in": "0.0160", "spread_pct": "60.0", "distinct_published_values": 2, "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S17;S9;S10;S5", "source_urls": "https://www.govinfo.gov/link/uscode/15/206 ; https://cdn.clopay.com/public/documents/steel%20gauge%20vs.pdf ; https://steelsource.us/gage-tabletabla-de-calibres/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" } ], "coating_reconciliation": [ { "coating_class": "G-10", "coating_oz_per_sqft_both_sides": "0.10", "calculated_added_in_sdi117_reference_rule": "0.00017", "gauge_no": 8, "dasma_bare_in": "0.1584", "dasma_coated_in": "0.1586", "published_added_in": "0.0002", "agrees_to_4dp": "yes", "selection": "11 selected gauges; not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "coating_class": "G-10", "coating_oz_per_sqft_both_sides": "0.10", "calculated_added_in_sdi117_reference_rule": "0.00017", "gauge_no": 10, "dasma_bare_in": "0.1285", "dasma_coated_in": "0.1287", "published_added_in": "0.0002", "agrees_to_4dp": "yes", "selection": "11 selected gauges; 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not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "coating_class": "G-90", "coating_oz_per_sqft_both_sides": "0.90", "calculated_added_in_sdi117_reference_rule": "0.00153", "gauge_no": 20, "dasma_bare_in": "0.0329", "dasma_coated_in": "0.0344", "published_added_in": "0.0015", "agrees_to_4dp": "yes", "selection": "11 selected gauges; not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "coating_class": "G-90", "coating_oz_per_sqft_both_sides": "0.90", "calculated_added_in_sdi117_reference_rule": "0.00153", "gauge_no": 22, "dasma_bare_in": "0.0269", "dasma_coated_in": "0.0284", "published_added_in": "0.0015", "agrees_to_4dp": "yes", "selection": "11 selected gauges; not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "coating_class": "G-90", "coating_oz_per_sqft_both_sides": "0.90", "calculated_added_in_sdi117_reference_rule": "0.00153", "gauge_no": 24, "dasma_bare_in": "0.0209", "dasma_coated_in": "0.0224", "published_added_in": "0.0015", "agrees_to_4dp": "yes", "selection": "11 selected gauges; not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "coating_class": "G-90", "coating_oz_per_sqft_both_sides": "0.90", "calculated_added_in_sdi117_reference_rule": "0.00153", "gauge_no": 26, "dasma_bare_in": "0.0159", "dasma_coated_in": "0.0174", "published_added_in": "0.0015", "agrees_to_4dp": "yes", "selection": "11 selected gauges; not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" }, { "coating_class": "G-90", "coating_oz_per_sqft_both_sides": "0.90", "calculated_added_in_sdi117_reference_rule": "0.00153", "gauge_no": 28, "dasma_bare_in": "0.0129", "dasma_coated_in": "0.0144", "published_added_in": "0.0015", "agrees_to_4dp": "yes", "selection": "11 selected gauges; not all 22 steel gauges in TDS 154", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S2;S5", "source_urls": "https://steeldoor.org/sdi-117/ ; https://www.dasma.com/wp-content/uploads/2020/06/TDS154-DASMA-Metal-Gauge-Chart.pdf" } ], "duty_level_endurance": [ { "standard": "ANSI/SDI A250.8-2023 + A250.4-2026", "class_name": "Level 1, performance C", "door_face_min_in": ".032", "door_msg_ref": 20, "frame_min_in": ".042", "frame_msg_ref": 18, "performance_level": "C", "cycles_required": 250000, "max_twist_in_at_300lb": "2.5", "max_permanent_deformation_in": ".125", "calculated_uninterrupted_days_at_15_cycles_per_min": "11.6", "scope": "Models 1 and 2; representative assembly qualification, not each delivered door", "frame_scope": "A250.8 Table 3", "rate_scope": "A250.4-2026 specifies 15 ± 1 cycles/min; calculation uses 15 and excludes interruptions", "edition_scope": "Current cited SDI editions; not a claim about editions incorporated in a particular contract", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S1;S4", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://steeldoor.org/ansi-250-4/" }, { "standard": "ANSI/SDI A250.8-2023 + A250.4-2026", "class_name": "Level 2, performance B", "door_face_min_in": ".042", "door_msg_ref": 18, "frame_min_in": ".053", "frame_msg_ref": 16, "performance_level": "B", "cycles_required": 500000, "max_twist_in_at_300lb": "1.25", "max_permanent_deformation_in": ".125", "calculated_uninterrupted_days_at_15_cycles_per_min": "23.1", "scope": "Models 1 and 2; representative assembly qualification, not each delivered door", "frame_scope": "A250.8 Table 3", "rate_scope": "A250.4-2026 specifies 15 ± 1 cycles/min; calculation uses 15 and excludes interruptions", "edition_scope": "Current cited SDI editions; not a claim about editions incorporated in a particular contract", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S1;S4", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://steeldoor.org/ansi-250-4/" }, { "standard": "ANSI/SDI A250.8-2023 + A250.4-2026", "class_name": "Level 3, performance A", "door_face_min_in": ".053", "door_msg_ref": 16, "frame_min_in": ".053", "frame_msg_ref": 16, "performance_level": "A", "cycles_required": 1000000, "max_twist_in_at_300lb": "1.25", "max_permanent_deformation_in": ".125", "calculated_uninterrupted_days_at_15_cycles_per_min": "46.3", "scope": "Models 1 and 2; representative assembly qualification, not each delivered door", "frame_scope": "A250.8 Table 3", "rate_scope": "A250.4-2026 specifies 15 ± 1 cycles/min; calculation uses 15 and excludes interruptions", "edition_scope": "Current cited SDI editions; not a claim about editions incorporated in a particular contract", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S1;S4", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://steeldoor.org/ansi-250-4/" }, { "standard": "ANSI/SDI A250.8-2023 + A250.4-2026", "class_name": "Level 4, performance A", "door_face_min_in": ".067", "door_msg_ref": 14, "frame_min_in": ".067", "frame_msg_ref": 14, "performance_level": "A", "cycles_required": 1000000, "max_twist_in_at_300lb": "1.25", "max_permanent_deformation_in": ".125", "calculated_uninterrupted_days_at_15_cycles_per_min": "46.3", "scope": "Models 1 and 2; representative assembly qualification, not each delivered door", "frame_scope": "A250.8 Table 3", "rate_scope": "A250.4-2026 specifies 15 ± 1 cycles/min; calculation uses 15 and excludes interruptions", "edition_scope": "Current cited SDI editions; not a claim about editions incorporated in a particular contract", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S1;S4", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://steeldoor.org/ansi-250-4/" }, { "standard": "NAAMM HMMA 861-14", "class_name": ".042-in face-sheet tier", "door_face_min_in": ".042", "door_msg_ref": 18, "frame_min_in": ".053", "frame_msg_ref": 16, "performance_level": "HMMA specified A250.4-based qualification", "cycles_required": 1000000, "max_twist_in_at_300lb": "1.25", "max_permanent_deformation_in": ".125", "calculated_uninterrupted_days_at_15_cycles_per_min": "46.3", "scope": "Tier is based on face-sheet thickness, not exclusively interior/exterior location; representative assembly", "frame_scope": ".067 in required for single doors >4 ft wide, pairs with either leaf >4 ft, or nominal opening height >10 ft", "rate_scope": "Illustrative common 15 cycles/min assumption; not measured test duration", "edition_scope": "HMMA 861-14 cites A250.4 under its 2014 reference-edition rule; not asserted identical to A250.4-2026", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S7;S4", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://steeldoor.org/ansi-250-4/" }, { "standard": "NAAMM HMMA 861-14", "class_name": ".053-in-and-thicker face-sheet tier", "door_face_min_in": ".053", "door_msg_ref": 16, "frame_min_in": ".053", "frame_msg_ref": 16, "performance_level": "HMMA specified A250.4-based qualification", "cycles_required": 4000000, "max_twist_in_at_300lb": ".625", "max_permanent_deformation_in": ".062", "calculated_uninterrupted_days_at_15_cycles_per_min": "185.2", "scope": "Tier is based on face-sheet thickness, not exclusively interior/exterior location; representative assembly", "frame_scope": ".067 in required for single doors >4 ft wide, pairs with either leaf >4 ft, or nominal opening height >10 ft", "rate_scope": "Illustrative common 15 cycles/min assumption; not measured test duration", "edition_scope": "HMMA 861-14 cites A250.4 under its 2014 reference-edition rule; not asserted identical to A250.4-2026", "verification": "star_primary_inputs_calculations_reproduced", "date_checked": "2026-09-16", "source_ids": "S7;S4", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://steeldoor.org/ansi-250-4/" } ], "component_thickness": [ { "standard": "NAAMM HMMA 861-14", "component": "Grout guard", "min_thickness_in": "0.016", "msg_reference": "26", "clause": "Sec 2.03.B.17", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "At hardware mortises on frame product to be grouted.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Vertical door stiffener", "min_thickness_in": "0.026", "msg_reference": "22", "clause": "Sec 2.01.B.6", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Glazing stop or moulding", "min_thickness_in": "0.032", "msg_reference": "20", "clause": "Sec 2.01.B.11", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Where specified/scheduled; fire-rated door glazing remains subject to the manufacturer’s fire-rating procedure.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Frame in-fill panel", "min_thickness_in": "0.032", "msg_reference": "20", "clause": "Sec 2.03.B.19", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Where specified; .032-in steel is laminated to each face of the specified backing, with approved backing for fire-rated frames.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Door end channel or closure, all levels", "min_thickness_in": "0.042", "msg_reference": "18", "clause": "Sec 2.3.1.4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Stile and rail: centre panel", "min_thickness_in": "0.042", "msg_reference": "18", "clause": "Sec 2.3.3", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Frame anchor, sheet type", "min_thickness_in": "0.042", "msg_reference": "18", "clause": "Sec 2.4.4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Other than slip-on drywall; cited clause also permits .167-in-diameter wire anchors.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Frame base anchor", "min_thickness_in": "0.042", "msg_reference": "18", "clause": "Sec 2.4.4.2", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Other than slip-on drywall; cited clause provides an additional-jamb-anchor alternative where floor anchoring cannot be used.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Louver vane, welded V, Y or Z type", "min_thickness_in": "0.042", "msg_reference": "18", "clause": "Sec 2.01.B.12", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Welded inverted-V, Y or Z louvers for non-fire-protection-rated doors; fire-rated doors require listed louvers.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Drywall jamb anchor", "min_thickness_in": "0.042", "msg_reference": "18", "clause": "Sec 2.03.B.15.c", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Stile and rail: stiles and rails", "min_thickness_in": "0.053", "msg_reference": "16", "clause": "Sec 2.3.3", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Pull plate and bar reinforcing", "min_thickness_in": "0.053", "msg_reference": "16", "clause": "Table 4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Table 4 note 3 permits omission of reinforcement with the specified through-bolting arrangement.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Door top and bottom closure channel", "min_thickness_in": "0.053", "msg_reference": "16", "clause": "Sec 2.01.B.7", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Masonry jamb anchor, strap or stirrup", "min_thickness_in": "0.053", "msg_reference": "16", "clause": "Sec 2.03.B.15.b", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Mortise or bored lock reinforcing", "min_thickness_in": "0.067", "msg_reference": "14", "clause": "Table 4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Table 4 note 1 permits thinner reinforcement with extruded/tapped holes providing equivalent thread engagement.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Surface exit device reinforcing", "min_thickness_in": "0.067", "msg_reference": "14", "clause": "Table 4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Table 4 note 3 permits omission of reinforcement with the specified through-bolting arrangement.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Frame, single door >4 ft wide, pair with either leaf >4 ft, or nominal opening height >10 ft", "min_thickness_in": "0.067", "msg_reference": "14", "clause": "Sec 2.03.B.2", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Width trigger is the individual door leaf, not the combined width of a pair.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Other surface-mounted hardware reinforcing", "min_thickness_in": "0.067", "msg_reference": "14", "clause": "Sec 2.01.B.10.e", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Mortise hinge reinforcing, 1-3/8 in door", "min_thickness_in": "0.093", "msg_reference": "12", "clause": "Table 4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Table 4 note 1 permits thinner reinforcement with extruded/tapped holes providing equivalent thread engagement.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Head stiffener, masonry opening over 48 in", "min_thickness_in": "0.093", "msg_reference": "12", "clause": "Sec 2.03.B.16", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Steel angle/channel head stiffener for frame product installed in masonry; not a lintel or load-bearing member.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "NAAMM HMMA 861-14", "component": "Lock front and strike reinforcing", "min_thickness_in": "0.093", "msg_reference": "12", "clause": "Sec 2.01.B.10.e", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Also permits .053-in unitized reinforcement with extruded/tapped holes providing an equivalent number of threads.", "source_ids": "S7;S16", "source_urls": "https://naamm.org/wp-content/uploads/2026/06/hmma_861_14_non_ansi.pdf ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Mortise hinge reinforcing, 1-3/4 in door", "min_thickness_in": "0.123", "msg_reference": "10", "clause": "Table 4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Table 4 notes 1–2 permit thinner extruded/tapped reinforcement with equivalent threads, or .093-in angular/channel reinforcement.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." }, { "standard": "ANSI/SDI A250.8-2023", "component": "Floor checking hinge and pivot reinforcing", "min_thickness_in": "0.167", "msg_reference": "7", "clause": "Table 4", "verification": "star_primary_clause_read", "date_checked": "2026-09-16", "qualification": "Applies to the component and construction specified in the cited clause.", "source_ids": "S1;S16", "source_urls": "https://steeldoor.org/ansi-250-8/ ; https://naamm.org/wp-content/uploads/2026/07/20hmma_803-08.pdf", "gauge_reference_basis": "SDI Table 4 where stated; otherwise mapped by this dataset to HMMA 803-08, not an additional gauge requirement." } ] } }