Month: June 2010

PVC / Polycarbonate sheet roofing Pvc and polycarbonate sheet roofing come in a variety of profiles, sizes, and colours. Quality and prices vary immensely.В  The most common profile is corrugated.В  The most common lengths are 1800mm, 2400mm, 3000mm and 3600mm and less common, 4200mm, 4800mm, 5400mm and 6000mm. The cover width ranges from 610mm to […]

Corrugated sheet roofing material is widely available and easy to use. Corrugations should run in a straight line between the highest and lowest points, andВ  at a right angle to the purlins (the intermediate supports). The overlaps (ends and sides) depends upon the sloop of the roof (see below). Purlin spacing should suit the end […]