Standard Aluminum, 910C, BA, 1" Setback, Ext Clear Anodized/Int Clear Anodized U-Factor: .52, SHGC: .21, VT: .48 Size: RO 36" x 56" Net Frame 35 1/2" X 55 1/2" Dimensions: Bottom Window Height 28" Model: Awning Below Picture Glass: 3/32" SunCoatMAX (Low-E) over 3/32" Clear Other Glass: Gray EdgeGard Spacer with Argon Hardware: Fold Down Roto/Stainless Steel Handle Screen: Standard with Fiberglass Mesh Ratings: STC: No Rating, OITC: No Rating, Tested: CW30 Other Ratings: CPD: MIL-A-172-03238-00001