Dihydrogen Monoxide Facts. 1  is also known as hydric acid, and is the major component of acid rain. 2  contributes to the Greenhouse Effect. 3  may cause severe burns. 4  contributes to the erosion of our natural landscape. 5  accelerates corrosion and rusting of many metals.
Thermoplastic Polyolefin (TPO) is the fastest growing segment in the commercial roofing industry. To take advantage of this recent popularity, a growing number of companies have begun offering TPO single-ply membranes. Unfortunately, not all TPO is created equally.
TPO roofing is often sold in squares of 10 feet by 10 feet. The price of TPO is given in terms of how much a square will cost. Flat roofs are most common in urban areas, though some suburban and rural buildings have flat roofs.