About Us

Polyglass® is an ISO 9001:2015 Certified, leading manufacturer of modified bitumen membranes and roof coatings for low- and steep-slope applications.

Utilizing the most technologically advanced manufacturing process in the industry, Polyglass operates six state-of-the-art manufacturing facilities — five in North America and one in Italy that serves all of Europe. Polyglass also has operations in Great Britain and Romania.

Polyglass is part of Mapei® Group, a multi-billion dollar manufacturer in the building industry with over 31 research centers and more than 81 production facilities in 35 countries.