Cellular PVC suits the exposed conditions on clad facades and at the roofline, especially as these areas are difficult and costly to access and maintain.

Swish cellular PVC requires no maintenance; it willlast the life-time of the building and can be fully recycled at the end of its service life. The BRE Green Guide (June 2008) recognises the sustainability of PVC building products. Under the Code for Sustainable Homes, PVC cladding over timber framwork is classed as an A+ external wall system; the highest rating available.