CAFCO 300 / ISOLATEK Type 300 is the most innovative, widely specified and used commercial density, Wet Mix Spray-Applied Fire Resistive Material (SFRM) in the world. CAFCO 300 / ISOLATEK Type 300 is a Gypsum- based formulation that offers the most cost effective fire resistance performance per unit thickness of any commercial SFRM in the world. The thermal performance advantages of CAFCO 300 / ISOLATEK Type 300 results in reduced installed costs over any commercial density Wet Spray fire protection material in the industry. It also provides industry leading physical performance and application efficiencies that are unsurpassed.