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Thermacore Collection®

For maximum thermal efficiency and premium construction, a Thermacore® insulated steel door is the ideal choice for you. Most of our models feature sandwich construction of steel-polyurethane-steel and between-section seals with thermal breaks for reduced air infiltration. These doors will give you many years of reliable operation and will help keep your home comfortable in hot and cold climates. Offered in a wide variety of panel designs, colors and window options. The 190 Series features a 12.7 R-value. The  490 Series is the Cadillac of garage doors and features an industry high 17.5 R-value


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