Foam board insulation is easy to use and a great DIY way to add some insulation. It comes in standard-size 4×8 sheets and smaller sizes, in thicknesses from 1/4-in. to two inches. Some types of ...

polyiso insulation, and engineered metal roofing and wall panel systems for commercial and residential buildings. The CWT segment produces spray polyurethane foam technologies, architectural metal ...

The foam insulation underneath the cladding was ... believes the configuration of the cladding and the foam - known as polyisocyanurate (PIR) - was "optimum for vertical fire spread".