Since its discovery in 1941, Styrofoam™ Brand XPS Insulation has a long and rich heritage as a sustainable building product, insulating to meeting core thermal, moisture, air and vapor performance requirements through its rigid foam board technology. STYROFOAM™ Brand Insulation is the original extruded polystyrene foam insulation, invented by DuPont/Dow and the first in a portfolio of products that would continue to grow and evolve to meet the needs of the building and construction industry and its related markets. - ½ in. x 48 in. x 96 in. (R-3) DuPont Styrofoam Insulation, Sq. Edge
Agricultural building applications, residential above and below gradeapplications, commercial above and below grade applications, new construction, reconstruction and retrofitting, transportation, refrigeration, walk-in coolers and refrigerated warehouses, garages and panels.