Intumescent Strips Will Soon Be Built Into Every Fire Resistant Door Frame
An intumescent substance is one that swells as a result of heat exposure, leading to an increase in volume and decrease in density. Intumescence refers to the process of swelling. [1] An intumescent coating is a coating that is specially formulated to protect vulnerable and flammable substrates. When in its natural state, intumescent coatings look smooth—just like most other paints. Intumescent coatings are specialized fire-retardant coatings designed to expand when exposed to heat or flame, forming a thick insulating layer. This layer protects the substrate beneath, generally steel or. Jan 22, 2026 · Intumescent coatings look like ordinary paint, but when exposed to extreme heat, they transform into a powerful protective barrier that helps slow the spread of fire and protect structural. This comprehensive guide to intumescent fireproofing provides the essential knowledge needed to make informed decisions about fire protection for your structure.
Intumescent materials refer to substances that provide fire protection by swelling into a thermally stable char layer when exposed to high temperatures, through a decomposition process that releases.
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