corrugated upvc/pvc roofing sheet 1.thickness:1.5mm to 3mm 2.length:1m to 11.8m 3.Color: any RAL colors 4. anticorrosion corrugated UPVC/pvc plastic roofing sheet1.brief introduction of the UPVC corrugated roofing sheet:The UPVC corrugated roofing sheet is an innovation of tri-ply co-extruded compound plastic. It has two different types. One of type is single layer and the other has three layers. ...
