Where is PVC-U used in construction?

PVC-U is an approved construction material and one of the architect’s mainstays. PVC-U is as common in pipes, roof gutters, façade cladding, roofing, light-diffusing walls,interior fixtures, cable ducting, and signs as it is in windows and rolling/folding shutters. Its long service life makes it both an economical as well as environmentally safe solution.