PERMALITE ALSULATE-125® insulated sandwich panel system is a roofing system with both insulative and structural advantages. The clever sandwich design incorporates both roofing and a prefinished ceiling using 5251 H38 Marine grade aluminium to provide outstanding watertightness, durability and stunning aesthetics.Key Information:Application: Roofing onlyBase Metal Thickness: 0.70mm (top/bottom sheets), 125mm EPS foam coreEffective Cover Width: 1000mmRib Height: 35mmPanel Height (incl foam core): 162mmMinimum Pitch: 1 degree (1:50)