Johns Manville Modified Bitumen Roofing Details

Whether you re in the design phase or on the roof we can provide the tools and support to get the project done right.

Johns manville modified bitumen roofing details.

It can be used as a direct substitute for asphalt in all jm modified bitumen roof membrane specifications. Provides full recovery properties after 100 elongation and lends elasticity and flexibility to the sheet and contains fire retardant additives. Commercial roofing specs and details find the resources you need to design the best roofing system for your project. All roof decks must be smooth free of moisture free of dirt properly attached properly constructed and designed for anticipated loads with minimum deflection.

App modified bitumen products may be installed by heat welding and select products in jm mbr cold application adhesive. As a substitute for asphalt and mbr flashing cement in jm modified bitumen flashing details and can be used to adhere the jm modified bitumen flashing systems and built up roofing felts to vertical surfaces as a general purpose mastic on most built up roofing and modified bitumen flashing details or to strip in the laps of modified bitumen base flashings. Johns manville app modified bitumen roofing systmes over lightweight concrete decks. Cold process does not have to be heated.

Johns manville modified bitumen roofing systems over lightweight concrete decks. Cures to form a durable elastomeric and watertight film. And other aspects of the deck and roof assembly rest with the designer. Specifications currently available from johns manville jm roofing systems for app atactic polypropylene modified bitumen roofing products.

8a 1 2 all general information contained in this section and in the. Decks must not pond water. All roof decks must be applied in accordance with the deck manufacturer s specifications. Specifically engineered for high reflectivity durability and optimal embedment in the sbs modified bitumen sheet.

Elastomeric sbs rubber and asphalt blend. Johns manville self adhering modified roofing systems over concrete decks.