There are 3 different types of commercial or flat roofing: 1. Built-up Roofing Built-up roofing, also called BUR, has been since around the 1840s. It is made up of alternating layers of reinforcing fabric and bitumen. It is used in low slope roofing such as...
TPO Roofing Systems TPO stands for Thermoplastic Polyolefin and is a single ply roofing membrane generally white in color. Due to the fact that it is white, it reflects heat away from the building. This can reduce cooling costs in summer. TPO is a blend of...
