Purlins and girts are roll formed Z sections, 200 mm deep with 64 mm flanges shall have a 16 mm stiffening lip formed at 45Ëš to the flange. They are supported on columns, rafters or building walls. They can be lapped and nested at the supports...
All the secondary members are made from Pre-Galvanized steel of 120/180/275 GSM coating and steel plates conforming to IS 1161/2062 or equivalent with minimum yield strength of 340 Mpa. All secondary members are available in a thickness range of 1.2...