{"id":2205,"date":"2026-01-14T07:38:13","date_gmt":"2026-01-14T07:38:13","guid":{"rendered":"https:\/\/huilicoating.com\/?p=2205"},"modified":"2026-02-07T08:30:48","modified_gmt":"2026-02-07T08:30:48","slug":"how-to-apply-fireproof-paint-over-anti-corrosion-primer","status":"publish","type":"post","link":"https:\/\/huilicoating.com\/ru\/how-to-apply-fireproof-paint-over-anti-corrosion-primer\/","title":{"rendered":"\u041a\u0430\u043a \u043d\u0430\u043d\u043e\u0441\u0438\u0442\u044c \u043e\u0433\u043d\u0435\u0441\u0442\u043e\u0439\u043a\u0443\u044e \u043a\u0440\u0430\u0441\u043a\u0443 \u043f\u043e\u0432\u0435\u0440\u0445 \u0430\u043d\u0442\u0438\u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0439\u043d\u043e\u0439 \u0433\u0440\u0443\u043d\u0442\u043e\u0432\u043a\u0438 (\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2205\" class=\"elementor elementor-2205\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1da40c5b e-flex e-con-boxed e-con e-parent\" data-id=\"1da40c5b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-336328ed elementor-widget elementor-widget-text-editor\" data-id=\"336328ed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">On most structural steel projects, intumescent fireproof paint is not applied directly to bare steel\u2014it is applied as part of a\u00a0<strong>tested coating system<\/strong>\u00a0that includes an anti-corrosion primer and, in many cases, a protective topcoat. Intumescent systems typically include multiple layers, and performance depends on those layers being compatible and approved together, not mixed ad\u2011hoc on site.<span class=\"inline-flex\" data-state=\"closed\">\u200b<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-739dcf85 elementor-widget elementor-widget-image\" data-id=\"739dcf85\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-1024x575.jpg\" class=\"attachment-large size-large wp-image-2211\" alt=\"Intumescent fireproof coating system over anti-corrosion primer with topcoat]\" srcset=\"https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-1024x575.jpg 1024w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-300x168.jpg 300w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-768x431.jpg 768w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-1536x863.jpg 1536w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-2048x1150.jpg 2048w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/intumescent-system-primer-topcoat-layers.webp-600x337.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68f06d12 elementor-widget elementor-widget-text-editor\" data-id=\"68f06d12\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"1-why-primer-compatibility-matters-fire-performanc\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">1) Why primer compatibility matters (fire performance + adhesion)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Intumescent coatings form an insulating char under fire exposure, but the system can fail if the primer loses adhesion at high heat and the char layer detaches from the steel. Industry guidance emphasizes that the primer must be\u00a0<strong>tested and approved<\/strong>\u00a0as part of the intumescent system, and primer dry film thickness (DFT) can be a critical factor in maintaining adhesion.<span class=\"inline-flex\" aria-label=\"The importance of compatible and approved primers and topcoats\" data-state=\"closed\">\u200b<\/span><\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Compatibility is not only about \u201csticking today.\u201d It\u2019s also about:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">The primer staying bonded under fire exposure.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">The intumescent layer expanding properly without cracking or flaking.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">The topcoat sealing the intumescent layer in humid\/outdoor environments.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-273c74ad elementor-widget elementor-widget-text-editor\" data-id=\"273c74ad\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"2-the-correct-layer-order-do-not-improvise-on-site\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">2) The correct layer order (do not improvise on site)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">A typical thin-film intumescent system for steel is one of these:<\/p><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Two-coat system (interior, low corrosivity)<\/h2><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Primer (anti-corrosion)<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Intumescent coating<\/p><\/li><\/ul><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Three-coat system (higher moisture \/ weathering \/ higher corrosivity)<\/h2><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Primer (anti-corrosion)<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Intumescent coating<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Topcoat \/ sealer coat (protects the intumescent layer from moisture and early degradation)<span class=\"inline-flex\" data-state=\"closed\">\u200b<\/span><\/p><\/li><\/ul><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">In more corrosive environments, guidance from application documents shows that an epoxy primer is often used prior to the intumescent layer and a polyurethane (or similar) topcoat may be used as the final coat.<br \/><br \/><a href=\"https:\/\/huilicoating.com\/fire-resistant-coating-series\/\"><span style=\"color: #3366ff;\">Go to Fire-Resistant Coating Series&gt;&gt;&gt;<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31b55840 elementor-widget elementor-widget-text-editor\" data-id=\"31b55840\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"3-primer-selection-rules-what-engineers-should-spe\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">3) Primer selection rules (what engineers should specify)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Your goal is to specify a primer that is:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Anti-corrosive enough for the service environment.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Compatible with the intumescent product (approved system).<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Applied at an acceptable DFT and within defined recoat intervals.<span class=\"inline-flex\" aria-label=\"The importance of compatible and approved primers and topcoats\" data-state=\"closed\">\u200b<\/span><\/p><\/li><\/ul><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Common primer families used under intumescent (general industry practice)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Many intumescent systems allow epoxy or alkyd primers, but some systems caution against certain zinc-rich primers or primer types unless explicitly approved. Always verify approvals and compatibility lists from the intumescent system supplier.<span class=\"inline-flex\" data-state=\"closed\">\u200b<\/span><\/p><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Primer DFT matters<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Industry guidance notes that primers are often approved up to a\u00a0<strong>maximum DFT<\/strong>, because excessive primer thickness can increase the risk of adhesion loss under fire exposure. This is why primers are tested and specified within limits as part of the full system approval.<br \/><br \/><a href=\"https:\/\/huilicoating.com\/anti-rust-primer-coatings-series\/\"><span style=\"color: #3366ff;\">Go to Anti-Rust &amp; Primer Coatings Series&gt;&gt;&gt;\u00a0<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34968099 elementor-widget elementor-widget-image\" data-id=\"34968099\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/sweep-blast-primed-steel-before-intumescent.webp-1024x575.jpg\" class=\"attachment-large size-large wp-image-2213\" alt=\"Sweep blasting primed steel before applying intumescent coating]\" srcset=\"https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/sweep-blast-primed-steel-before-intumescent.webp-1024x575.jpg 1024w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/sweep-blast-primed-steel-before-intumescent.webp-300x168.jpg 300w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/sweep-blast-primed-steel-before-intumescent.webp-768x431.jpg 768w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/sweep-blast-primed-steel-before-intumescent.webp-600x337.jpg 600w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/sweep-blast-primed-steel-before-intumescent.webp.jpg 1282w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-791c42f7 elementor-widget elementor-widget-text-editor\" data-id=\"791c42f7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"4-surface-preparation-and-primer-condition-checks\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">4) Surface preparation and primer condition checks (before applying intumescent)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Even if the primer is \u201ccorrect on paper,\u201d you still need to confirm it is suitable in the field.<\/p><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">For new steel (freshly primed)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Check:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Primer is fully cured \u201cdry to overcoat.\u201d<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">No contamination (dust, oil\/grease, overspray powder).<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">DFT is within specification tolerance.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Any damaged areas are repaired before the intumescent coat.<span class=\"inline-flex\" aria-label=\"[PDF] Dulux\u00ae FIRETEX\u00ae Epoxy Intumescent Application Guide\" data-state=\"closed\">\u200b<\/span><\/p><\/li><\/ul><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">For primed steel stored outdoors (common in project delays)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">If there is extended time between primer application and intumescent application, application guidance recommends:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Washing off contamination (oils\/greases, debris, chalking).<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Uniform abrasive sweep blasting of the primer to restore a surface profile for adhesion.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Feathering transition margins and repairing fractured primer back to the original prep standard.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bd1e07b elementor-widget elementor-widget-text-editor\" data-id=\"6bd1e07b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"5-application-rules-for-intumescent-coating-thickn\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">5) Application rules for intumescent coating (thickness + passes)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Intumescent coating performance is thickness-driven, but applying too much in one pass can cause sagging, cracking, or poor curing. Application guides commonly require multi-pass application to reach the required DFT safely, especially for 90\/120-minute ratings.<span class=\"inline-flex\" aria-label=\"[PDF] Dulux\u00ae FIRETEX\u00ae Epoxy Intumescent Application Guide\" data-state=\"closed\">\u200b<\/span><\/p><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Practical thickness control steps<\/h2><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Measure WFT during application to control build.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Measure DFT after curing for acceptance.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Apply additional coats as needed to reach the specified DFT.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c07f1e1 elementor-widget elementor-widget-text-editor\" data-id=\"3c07f1e1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"6-topcoat-over-intumescent-when-its-mandatory\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">6) Topcoat over intumescent: when it\u2019s mandatory<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">In demanding exposure conditions, the topcoat\u2019s key role is acting as a\u00a0<strong>sealer<\/strong>\u00a0to protect the intumescent layer from moisture and environmental degradation. Guidance explains that too low a topcoat thickness can reduce sealing protection, while too high a topcoat thickness may impede char formation and shorten fire duration, so the topcoat must also be compatible and specified correctly.<span class=\"inline-flex\" aria-label=\"The importance of compatible and approved primers and topcoats\" data-state=\"closed\">\u200b<\/span><\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">A topcoat is commonly required when:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">The steel is exterior or semi-exposed.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Humidity is high (many Southeast Asia locations).<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">The surface will be washed down, cleaned, or mechanically abused.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">There is risk of moisture ingress into the intumescent film.<\/p><\/li><\/ul><p><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/huilicoating.com\/polyurethane-anti-corrosion-coatings\/\">Go to Polyurethane Anti-Corrosion Coatings&gt;&gt;&gt;<\/a><\/span><\/p><div class=\"group relative\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-575b1457 elementor-widget elementor-widget-text-editor\" data-id=\"575b1457\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"7-common-compatibility-failures-and-how-to-avoid-t\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">7) Common compatibility failures (and how to avoid them)<\/h2><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Problem 1: Intumescent delaminates from primer<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Common drivers:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Primer not approved\/compatible.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Primer DFT too high.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Primer contaminated or over-aged before recoating.<span class=\"inline-flex\" data-state=\"closed\">\u200b<\/span><\/p><\/li><\/ul><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Preventive actions:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Use an approved primer list for the chosen intumescent system.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Control primer DFT and recoat window.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Sweep blast\/clean aged primer before applying intumescent.<span class=\"inline-flex\" aria-label=\"[PDF] Dulux\u00ae FIRETEX\u00ae Epoxy Intumescent Application Guide\" data-state=\"closed\">\u200b<\/span><\/p><\/li><\/ul><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Problem 2: Cracking, mud-cracking, or sagging<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Common drivers:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Over-thickness in a single coat.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Poor curing conditions.<\/p><\/li><\/ul><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Preventive actions:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Apply in multiple passes to reach target DFT.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Follow temperature\/humidity limits from the product data.<span class=\"inline-flex\" aria-label=\"[PDF] Dulux\u00ae FIRETEX\u00ae Epoxy Intumescent Application Guide\" data-state=\"closed\">\u200b<\/span><\/p><\/li><\/ul><h2 class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0\">Problem 3: Exterior intumescent degrades early<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Common drivers:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Missing or incompatible topcoat.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Inadequate sealing thickness.<\/p><\/li><\/ul><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Preventive actions:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Specify a compatible sealer\/topcoat for humid\/outdoor exposure.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44cb9344 elementor-widget elementor-widget-image\" data-id=\"44cb9344\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-1024x575.jpg\" class=\"attachment-large size-large wp-image-2214\" alt=\"Wet film thickness measurement for intumescent fireproof coating]\" srcset=\"https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-1024x575.jpg 1024w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-300x168.jpg 300w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-768x431.jpg 768w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-1536x863.jpg 1536w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-2048x1150.jpg 2048w, https:\/\/huilicoating.com\/wp-content\/uploads\/2026\/01\/wft-comb-intumescent-thickness-check.webp-600x337.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bef0cdd elementor-widget elementor-widget-text-editor\" data-id=\"7bef0cdd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"8-rfq-checklist-to-get-a-correct-system-approval\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">8) RFQ Checklist (to get a correct system approval + quote)<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">To quote and technically approve \u201cfireproof paint over primer,\u201d provide:<\/p><ul class=\"marker:text-quiet list-disc\"><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Country\/region: Middle East \/ Southeast Asia \/ Central Asia.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Steel member schedule (beam\/column sizes) and required fire rating (60\/90\/120 min).<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Service exposure: interior dry \/ semi-exposed \/ exterior; corrosion category if defined.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Existing or planned primer type + DFT range and when it was applied.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Surface preparation method for primer (blast standard) and any site rework plan.<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Whether a topcoat is required (UV\/weathering\/moisture).<\/p><\/li><li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\"><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Required standards\/certifications (e.g., cellulosic vs hydrocarbon scenarios).<\/p><\/li><\/ul><p><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/huilicoating.com\/areas-of-application\/steel-structure-coating-industrial-anti-corrosion-solutions\/\"><span style=\"color: #3366ff;\">Go to Steel Structure Coating Solutions&gt;&gt;&gt;<\/span><\/a><\/span><\/p><h2 id=\"next-step-request-a-compatibility-confirmation-pac\" class=\"mb-2 mt-4 font-sans font-semimedium text-base first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Next step: request a compatibility confirmation package<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Do not assume compatibility. Request a system confirmation package (recommended primer + intumescent + topcoat, plus DFT limits, recoat windows, and TDS\/SDS) for your project environment and fire rating requirement. Industry guidance stresses that all coats in an intumescent system must be compatible and approved together to ensure fire protection performance.<span class=\"inline-flex\" aria-label=\"The importance of compatible and approved primers and topcoats\" data-state=\"closed\">\u200b<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-72673a0a e-con-full e-flex e-con e-parent\" data-id=\"72673a0a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-4b75363 e-con-full e-flex e-con e-child\" data-id=\"4b75363\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e60b51 elementor-widget elementor-widget-heading\" data-id=\"6e60b51\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contact Us<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ebfebe6 elementor-widget elementor-widget-heading\" data-id=\"5ebfebe6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">We would love to speak with you.<br>Feel free to reach out using the below details.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bde51cc e-con-full e-flex e-con e-child\" data-id=\"bde51cc\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-499fbf0c elementor-button-align-start elementor-tablet-button-align-center elementor-widget elementor-widget-form\" data-id=\"499fbf0c\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"Contact Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"2205\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"499fbf0c\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tYour Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Your Name*\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_b743cd7 elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_b743cd7\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tLast Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_b743cd7]\" id=\"form-field-field_b743cd7\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Last Name*\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_6c180a9 elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_6c180a9\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPhone Number\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_6c180a9]\" id=\"form-field-field_6c180a9\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Phone Number*\" required=\"required\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Only numbers and phone characters (#, -, *, etc) are accepted.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email*\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>On most structural steel projects, intumescent fireproof paint is not applied directly to bare steel\u2014it is applied as part of a\u00a0tested coating system\u00a0that includes an anti-corrosion primer and, in many cases, a protective topcoat. Intumescent systems typically include multiple layers, and performance depends on those layers being compatible and approved together, not mixed ad\u2011hoc on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2211,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[99],"tags":[],"class_list":["post-2205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-guides-inspection"],"acf":[],"_links":{"self":[{"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/posts\/2205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/comments?post=2205"}],"version-history":[{"count":0,"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/posts\/2205\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/media\/2211"}],"wp:attachment":[{"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/media?parent=2205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/categories?post=2205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/huilicoating.com\/ru\/wp-json\/wp\/v2\/tags?post=2205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}