In the residential and commercial domain, PVC pipes are used in plumbing, drainage,agricultural irrigation, electricity & telecommunications systems and the ductwork of heating and cooling systems.PVC pipes are generally categorised into four: PVC-U unplasticised PVC), C-PVC (chlorinated PVC), PVC-O (molecular oriented PVC) and modified PVC. Besides sharing many of the same properties, each type of PVC has its own advantages for different applications.