Is Foam Board Insulation Flammable? 

This article will answer the question, “is foam board insulation flammable?”. It also covers several topics about types of foam board insulation, its benefits, and the precautions for safely handling foam board insulation. Is Foam Board Insulation Flammable? Yes. Foam board insulation is flammable. When ignited, rigid polyurethane and polyisocyanurate foams produce high heat, dense … Read more