{"id":3556,"date":"2025-12-04T15:18:59","date_gmt":"2025-12-04T15:18:59","guid":{"rendered":"https:\/\/www.sehgaldoor.com\/blog\/?p=3556"},"modified":"2026-02-20T08:23:52","modified_gmt":"2026-02-20T08:23:52","slug":"fire-door-standards-comparison-nfpa-80-vs-is-36142021","status":"publish","type":"post","link":"https:\/\/www.sehgaldoor.com\/blog\/fire-door-standards-comparison-nfpa-80-vs-is-36142021\/","title":{"rendered":"Fire Door Standards Comparison                              NFPA 80 vs IS 3614:2021"},"content":{"rendered":"<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td>Topic<\/td>\n<td>NFPA 80 (USA)<\/td>\n<td>IS 3614:2021 (India)<\/td>\n<td>Common Points<\/td>\n<td>Key Differences<\/td>\n<\/tr>\n<tr>\n<td>Scope<\/td>\n<td>Covers fire doors, shutters, dampers<\/td>\n<td>Covers fire doors, doorsets, frames, sliding & rolling shutters<\/td>\n<td>Both regulate fire door safety<\/td>\n<td>IS has broader scope; NFPA includes dampers<\/td>\n<\/tr>\n<tr>\n<td>Fire Rating<\/td>\n<td>Integrity only<\/td>\n<td>Integrity + Insulation (min 30 min)<\/td>\n<td>Both require integrity testing<\/td>\n<td>IS requires insulation; NFPA does not<\/td>\n<\/tr>\n<tr>\n<td>Vision Panel<\/td>\n<td>Allowed per listing<\/td>\n<td>Strict size limits (0.12m\u00b2 \/ 0.06m\u00b2)<\/td>\n<td>Both allow only tested glazing<\/td>\n<td>IS has strict limits; NFPA flexible<\/td>\n<\/tr>\n<tr>\n<td>Hardware<\/td>\n<td>Listed & labeled <\/p>\n<p> mandatory<\/p>\n<\/td>\n<td>Hardware must be supplied & certified by door manufacturer<\/td>\n<td>Both require certified hardware<\/td>\n<td>IS shifts liability to door manufacturer<\/td>\n<\/tr>\n<tr>\n<td>Undercut<\/td>\n<td>Approx 19 mm allowed<\/td>\n<td>19 mm <\/p>\n<p> floor; 9 mm on sill<\/p>\n<\/td>\n<td>Both similar limits<\/td>\n<td>IS defines sill-specific limits<\/td>\n<\/tr>\n<tr>\n<td>Intumescent <\/td>\n<td>Only if required by listing<\/td>\n<td>Mandatory for insulated doors; Smoke seals required<\/td>\n<td>Both allow seals<\/td>\n<td>IS makes intumescent seals compulsory<\/td>\n<\/tr>\n<tr>\n<td>Frames<\/td>\n<td>Labelled frames; per listing<\/td>\n<td>Min 1.2 mm steel; max depth 350 mm<\/td>\n<td>Both need approved frames<\/td>\n<td>IS has detailed frame specifications<\/td>\n<\/tr>\n<tr>\n<td>Inspection<\/td>\n<td>Annual <\/p>\n<p> mandatory<\/p>\n<\/td>\n<td>No fixed annual inspection clause<\/td>\n<td>Both require maintenance<\/td>\n<td>NFPA mandates annual inspection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/www.sehgaldoor.com\/blog\/wp-content\/uploads\/2025\/12\/NFPA252_vs_UL10C_A3_Table.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of NFPA252_vs_UL10C_A3_Table.\"><\/object><a id=\"wp-block-file--media-a7f9e91c-1289-4384-9319-97d00e2c8aa1\" href=\"https:\/\/www.sehgaldoor.com\/blog\/wp-content\/uploads\/2025\/12\/NFPA252_vs_UL10C_A3_Table.pdf\">NFPA252_vs_UL10C_A3_Table<\/a><a href=\"https:\/\/www.sehgaldoor.com\/blog\/wp-content\/uploads\/2025\/12\/NFPA252_vs_UL10C_A3_Table.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-a7f9e91c-1289-4384-9319-97d00e2c8aa1\">Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Topic NFPA 80 (USA) IS 3614:2021 (India) Common Points Key Differences Scope Covers fire doors, shutters, dampers Covers fire doors, doorsets, frames, sliding &#038; rolling shutters Both regulate fire door safety IS has broader scope; NFPA includes dampers Fire Rating Integrity only Integrity + Insulation (min 30 min) Both require integrity testing IS requires insulation; [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[145,144,143],"class_list":["post-3556","post","type-post","status-publish","format-standard","hentry","category-fire-rated-doors","tag-is-3614","tag-nfpa80","tag-ul10c"],"_links":{"self":[{"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/posts\/3556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/comments?post=3556"}],"version-history":[{"count":4,"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/posts\/3556\/revisions"}],"predecessor-version":[{"id":3644,"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/posts\/3556\/revisions\/3644"}],"wp:attachment":[{"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/media?parent=3556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/categories?post=3556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sehgaldoor.com\/blog\/wp-json\/wp\/v2\/tags?post=3556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}