Trend Bay Windows - Meranti Bay Windows Trend Windows & Doors Frame type Timber Glazing Single, Double Min. length 2622 Max. length 2602 Min. height 2122 Max. height 2102 Uw (Whole window U Value) 2.871 SHGC (Solar Heat Gain Coefficient) 0.428 Opening Tilt open They expand your room while maintaining intimacy and warmth, add light and air, and capture the view. Trend Windows & Doors