No-Burn Original Fire Retardant Spray on interior, unfinished architectural woodwork or wood surfaces and paper materials. Transparent product packaged in ready-to-use quart container; 32 ounce quart covers 75 square feet. Certified to meet CDPH/EHLB/Standard Method V1.1 (Sect. 01350) for low emissive coatings. Certified to meet ASTM E84, UL 723, NFPA 703 (Class A FS/SD rating). Approved and registered by the California State Fire Marshal as flame retardant product.