Dow Rigid Styrofoam Foam Insulation

This line of Styrofoam brand rigid insulation products from Dow helps regulate the flow of air and moisture in and out of the house. They are specially designed for packing over and around wall studs, which are a big factor in thermal bridging. Convective looping of cold air inside the wall is also reduced. Products in the line include Structural Insulated Sheathing, Residential Sheathing, Tongue and Groove Wide Insulation and Duramate Plus Extruded Polystyrene Foam Insulation.