POLYGAL STANDARD GRADE MULTIWALL SHEET Combines endless design possibilities with many important advantages Polygal Standard Sheets double and triple layered manufactured in various colors and degrees of transparency are designed for use in most conventional roofing and glazing applications. Excellent thermal insulation Highly flexible yet virtually unbreakable Lightweight and easy to install Rigid sheet structure provides extra strength under wind and snow loads. To see sheet performance under loads go to Support Wind Load Charts. Standard Sheets feature a UV protective layer to protect against yellowing and are covered by a 10 Year Warranty against breakage and yellowing 6 mm and higher. Recommended Uses Covering of medium span structures where excellent thermal insulation is required. Technical Specifications Structure Thickness mm Weight Standard width 4 6 8 10 16 gm 800 1300 1500 1700 2700 lb ft 0.16 0.27 0.31 0.35 0.55 mm 980 1050 1200 1220 1250 2100 inch 48 72 Minimum radius for mm 0.7 1.05 1.4 1.75 2.8 cold bending arches inch 2 3 3 5 4 7 5 9 9 2 W m 3.9 3.6 3.3 3 2.3 Btu h ft f 0.69 0.63 0.58 0.53 0.41 U-Factor by ASTM C177 Optical Specification Thickness mm Light Transmission by ASTM D 1003 Clear 4 82 6 80 8 80 10 79 16 72 NGL ICE bronze snow grey green orange blue turquoise yellow 55 30 52 70 20 - 30 32 42 25 30 16 12 25 35 red 42 12 16
