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CAFCO® SprayFilm® WB 4 Intumescent Fire Resistive Material (IFRM)

CAFCO SprayFilm WB 4 intumescent coating, when combined with CAFCO® SprayFilm® Topseal, is the only water-based system investigated by Underwriters Laboratories (UL) for use in exterior applications.

It features the same distinct advantages of SprayFilm WB 3 which allows architects the ability to design using exposed steel structures that can be decorative and aesthetically pleasing.

CAFCO SprayFilm WB 4 can be top coated to match its surroundings which allow owners and designers the benefit of utilizing an environmentally friendly and visually appealing fireproofing method for steel structures which may be exposed to harsh exterior weather conditions.

Available in trowel grade, CAFCO SprayFilm WB 4 TG can be used for hard to reach areas or for repair applications.

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