Yapı Ve İnşaat / Çatı Ve Oluk Sistemleri / Cezayir Talepleri

I am interested for sandwich panel EPS or PU the quantity about 1100 m2 for roof and 500 m2 for wall, steel thickness 0.4 mm two side with insulating 40mm ral color, polycarbonate or FRP skylight 100 m2 tHickness 2.5 mm