Roof 1 meter five of the building how to set up a template
Xianxian North Road, building materials factory very good, you can find the Google search
Color steel composite board: color steel composite plate is the color coated steel or other panels and the bottom plate and insulation core material through the adhesive (or foam) composite insulation from the composite sheet
B1 grade flame retardant material, from the fire self-extinguishing; B2 grade material, from the fire will continue to burn; B3 level, not only from the fire will burn, but also back to combustion, the less the more fierce!
