Therma-Tru® and Masonite® steel exterior door systems are nearly maintenance-free and have none of the disadvantages of wood. Energy Efficiency
Therma-Tru Premium Steel door systems completely seal the entryway, eliminating
the transfer of heat and cold. A solid polyurethane foam cores provides five
times the insulating value of comparable wood doors and almost double the R-Value
of most polystyrene core steel doors. |
     Therma-Tru®    Masonite®
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