The Therma Tech™ line of insulated raised panel steel doors adds to Northwest Door's reputation for quality, value and stylish designs. Two products are available, the Therma Tech™ (1-1/2" insulation), Therma Tech II™ (2" insulation). Each model is available in the smooth wood grain panel (Contemporary), a standard raised panel (Traditional) or a longer raised panel the (Ranch). All doors hot dipped galvanized and prepainted, with four colors available, Bright White, Almond, Sandstone and Brown. Choose from a selection of 8 window designs.