A white, fire proofing coating. When ex- posed to heat, it immediately expands (intumesces) providing a non-combustible insulation foam/heat shield to protect the subsurface.
Available in 5 Gallon Pails

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Pyromescent is a white, one-part, water-based fire proofing coating similar in appearance to ordinary dense paint film. As a “passive fire protection” coating, upon exposure to flame or heat, it immediately expands (intumesces) providing an effective, non-combustible insulation foam and heat shield to protect the subsurface. Pyromescent also cures to a durable, mold-resistant coating for the long-lasting protection of the coating film*.

*Treated Articles Exemption - This product contains an EPA registered antimicrobial to protect the coating from non-public health fungi and odor causing bacteria. No public health claims are being made.


  • Provides a non-cumbustible, heat shield on surfaces.
  • Tintable, opaque white base for architectural and structural applications
  • Breathable to prevent wet/dry rot conditions
  • Passes Class A fire protection standards
Prevents mold/algae/bacteria growth on the coating surface*
  • Easily and quickly removed from surfaces after fire damage
  • Water-based and non-flammable


Interior conditioned and unconditioned areas of a building including finished basements, walls, ceilings and wherever an architectural paint may be used.


Pyromescent protects most construction materials including treated and untreated lumber, OSB, particle board, masonry surfaces, concrete, brick, wallboard, primed surfaces, composite construction materials and metals. Surfaces also include sheathing, trusses, framing, joists, plates, pillars, posts, beams and walls.


Consult SDS for details


Pyromescent is formulated as a ready- to-use coating and should not be diluted. It can be applied with a brush, roller or airless sprayer to obtain an even finish. Do not apply past the point of run- off. A cross-hatching technique is the best way to ensure sufficient wet/dry film thickness and complete coverage.
During Build-back:
Scrape the used Pyromescent from all surfaces. Clean surfaces with a low concentration of Grease Gobbler. Prime surfaces before re-painting with Pyromescent.

Coverage Rate

Up to 130 ft2 per gallon (12 wet mils / 8 wet mils), based upon product warranty and/or building code requirements based upon standardized testing. Does not include loss from over-spray or over-use.

Shelf Life & Storage

24 months


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