Polymer-modified roof membranes are composed of reinforcing fabrics that serve as carriers for hot polymer-modified bitumen as it is manufactured into a roll material. Modified bitumen roof system membranes are composed of multiple layers, much like built-up roofs.
- Fully adhered with hot bitumen, cold adhesive or torch
- Multiple plies
- A variety of types are available to provide resistance against foot traffic
- Mineral, smooth, flood, and gravel are available for surfacing