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Commercial Roofing

APP Roofing Systems

Johns Manville has developed formulations that enhance the asphalt's overall weatherability by modifying premium-grade asphalts. By combining these modified asphalts with nonwoven polyester or glass fiber reinforcements, JM produces waterproofing systems that exhibit tremendous strength, elasticity and weatherability.

APP roofing membranes provide superior tensile strength while maintaining critical flexibility, even in the coldest environments. Additionally, with APP roofing membranes (coated with a proprietary blend of asphalt and atactic polypropylene), contractors now have an efficient mode of application by heat welding, making hot mopping unnecessary.

JM is the exclusive source for Dibiten™ APP membrane. This heat-weld-applied modified bitumen membrane is a high-performance solution for both commercial and residential applications. (Dibiten is currently available in the Pacific region.)

JM WHITE Web Sliver 226x70 300dpi
JM Roofing System Urethane Adhesive (RSUA)
Two-part polyurethane adhesive.
JM WHITE Web Sliver 226x70 300dpi
JM Two-Part Urethane Insulation Adhesive (UIA)
Two-part cold-application adhesive for insulation and cover boards.
JM WHITE Web Sliver 226x70 300dpi
JM Green Two-Part Urethane Insulation Adhesive
Low-odor/VOC cold-application adhesive insulation and cover boards.