Thermally broken doors and frames
Tubelite, Walker, Mich., introduced Therml=Block, a thermally broken door and frame product line. The door and frame use an "I"-shaped thermal strut reinforced with 25-percent nylon fiber to provide a condensation-resistance factor of 56 and thermal- transmittance-from-conduction factor of 0.65, according to a company release. Each assembled extrusion passes a 1,000-pound shear test, according to the release. Standard doors have a medium stile dimension of 4 inches with a 4-inch top rail and a 10-inch bottom rail. Options for a 4-inch mid-rail and rabbet stiles for continuous gear hinge applications are available. Snap-in glass stops provide for 1-inch glazing thickness and products can be ordered with standard or custom anodized and paint colors.