Today, plastics are making steady inroads into the building industry. Plastics being low-density materials have that advantage over all the traditional building materials. They often do not need any protective coating and can be self-colored, which can be useful in window frames and cladding. Rigid UPVC is the predominant material that is being considered for the applications, which are traditionally stronghold of wood. UPVC is assembled to make doors & window frames, as well as complete doors, partitions etc.