About Us

Polyglass® U.S.A., Inc. is a leading manufacturer of modified bitumen roofing and waterproofing membranes and roof coatings for low and steep-slope applications. Committed to adding value through innovation, Polyglass utilizes the most technologically advanced manufacturing processes in the industry with five state-of-the-art manufacturing facilities the United States.

As part of the Mapei® group, Polyglass prides itself in producing innovative and quality roofing and waterproofing products which exceed the needs and expectations of its customers. This commitment is demonstrated daily by the people that work for Polyglass where the customers’ needs always come first.