APP Modified Bitumen Membranes
Atactic Polypropylene (APP) polymer modified bitumen roofing membranes offer multi-ply durability.
Related Components
View asphaltic roofing projects
See how GAF products meet various roofing challenges
Asphaltic Commercial Roofing 101
Proven historical performance. Time tested durability. Asphaltic roofing products are a go-to material of choice for high end low-slope buildings. Learn more about asphaltic technologies and application techniques, as well as how to decide if asphaltic is the right roofing solution for your next project.