DECKING

Galvanized steel ASTM 653 Grade 275 coated 275g/m2 min 

Average dimensions are2.75-5.25-2.75 inches 

Average width is 26inches (660mm) 

Estimated coverage if 1 hump lapped is 25 inches (635mm) 

Hump height is 2.75 inches (70mm) 

Drain width is 5.25 inches (133mm)