Sliding Doors - Western Red Cedar Sliding Windows Trend Windows & Doors Frame type Timber Glazing Single, Double Min. length 869 Max. length 2748 Min. height 600 Max. height 2100 Uw (Whole window U Value) 1.8 SHGC (Solar Heat Gain Coefficient) 0.39 Opening Horizontal sliding, Vertical sliding Achieve Uninterrupted Viewing with Red Cedar Sliding Windows from Trend Windows & Doors Trend Windows & Doors