Tru-Defense line of Fiber-Classic and Smooth-Star Hinged Patio Door Systems

Therma-Tru's Tru-Defense line of Fiber-Classic and Smooth-Star Hinged Patio Door Systems have a DP-40 air, water and structural performance rating, and are independently tested, and certified by the National Accreditation and Management Institute (NAMI). Therma-Tru's new Tru-Defense systems for fiberglass hinged patio doors are designed to work together as an integrated system, all the components in the new Tru-Defense systems maximize the seal between the door and the frame, virtually eliminating air and water infiltration.