Slim-Line Patio Door Systems
Therma-Tru's Slim-Line Patio Door Systems uses fiberglass for thermal performance and includes an advanced trouble-free track system. The Slim-Line System includes Impact Rated Glass which can withstand hurricane conditions. The new glass has a DP-50 water, structural and windborne debris rating on units up to 8 ft. tall and 9 ft. wide.
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