How R-18 Polyurethane Insulated Garage Doors Lower Energy Bills in Cedar Hill, TX

By Sebastian Garage Door Expert — Serving Cedar Hill, TX (75104) & Surrounding Duncanville, Midlothian, DeSoto, Grand Prairie, Mansfield

Triple-Layer Steel + Polyurethane Construction for Cedar Hill, TX Weather

Unlike single-layer steel doors that radiate outdoor heat and winter cold straight into your Cedar Hill attached garage, triple-layer R-18 doors inject high-density polyurethane foam between two galvanized steel skins—creating a rigid, dent-resistant thermal barrier sealed with arctic-grade EPDM bottom weatherstripping.