by SprayFilm -WB 5 builds on the outstanding performance of CAFCO’s original intumescent coatings. SprayFilm -WB 3 introduced new levels of coverage and competitive thickness requirements. The technological improvements introduced by SprayFilm -WB 3 also allowed for easier application and a more environmentally friendly product.
SprayFilm -WB 4 is the only water-based intumescent coating UL-classified for exterior applications. It features the same distinct advantages of SprayFilm -WB 3, with unique properties that make it suitable for exterior environments.
After years of intense research and development, many of the breakthroughs that defined SprayFilm -WB 3 and SprayFilm -WB 4 led to the eventual discoveries that make SprayFilm -WB 5 possible.
