Flame Seal FX950 (Fireproof Paint)


Flame Seal FX950 is a water-based Intumescent paint/fireproof paint that can be applied to most substrates including, lumber, plywood, OSB, and Gypsum. FX950 is fully tested and has a rating ranging from Class A to 2 hours to meet building codes domestically, internationally, and for the Wildfire Urban Interface. When Flame Seal FX950 is exposed to fire or extreme heat, a protective layer of Carbon Foam develops and prevents the fire and heat from transferring to the substrate. FX950 is a low VOC fire-resistant paint with a smooth white architectural grade finish. This product can be paired with a primer and a top-coat. For best application Flame Seal recommends using an airless sprayer, please see the application guide for more information.

Flame Seal FX950 Documentation

Data Sheet

Safety Data Sheet

Application Guide

VOC Emission Certificate 

09 96 46 Intumescent Painting


SubstrateTest StandardResultWFTDFTCoverage Rate sq ft/gal
WoodASTM E 84Class A96180
WoodCAN/ULC S102Class A96180
WoodASTM 2768Pass201380
GypsumASTM E1192 Hours604027
GypsumCAN/ULC S1012 Hours604027

Primer & Top Coating

Primers and top coats may be required alongside the fireproof paint when being used in high humidity applications or when a desired color is needed. The use of primers and top coats have been tested to the ASTM E-84 and ASTM 2768. Testing data shows that the use of top coats have no affect on the burn performance of Flame Seal FX950. For a list of recommended primers and top coats please email flameseal@flameseal.com.

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