made of galvanized sheet or aluminium, and is formed in the form of two sides with different sizes according to demand. Between sides there is one 135 degrees sized.
Length: from 2 to 3 Meter
Big Rib Length: 3 : 5 cm
Second Rib Length: 1.5 : 2 cm
Steel Galvanized Thickness (0.7 mm)
Aluminum Thickness (2 mm)