Dow RM SL 4x2x8

$63.93 / SHEET
STYROFOAM* ROOFMATE* extruded polystyrene insulation is designed for installation above waterproofing or roofing membranes in protected membrane roof (PMR) applications. STYROFOAM ROOFMATE insulation helps the roof membrane maintain a steady temperature, minimizing the harmful effects of freeze-thaw cycles, weathering and physical damage during and after construction.