Johns Manville Modified Bitumen Roofing Details

One part elastomeric cold application membrane adhesive.

Johns manville modified bitumen roofing details.

For adhering roofing plies modified bitumen membranes and for aggregate surfacings. If you have any questions when it comes to installation please contact our specifier services group for design and your local technical representative for the field. Jm approved asphalts are thoroughly evaluated before they are accepted for use in any modified bitumen system. Whether you re in the design phase or on the roof we can provide the tools and support to get the project done right.

With a self adhering side lap that aids with faster installation and ease of use. App modified bitumen products may be installed by heat welding and select products in jm mbr cold application adhesive. Here you will find all of the sbs specifications 3 part specs details and installation guides. 1 2 all general information contained in this section and the current johns manville commercial industrial roofing systems manual should be considered part of these specifications.

Contact your jm sales representative for current approved asphalt suppliers. Johns manville approved asphalt supplier list. 7a 7 2asphalt can come from a variety of crude sources. 8a 1 general information 8a 1 1this section provides application information and outlines specifications currently available from johns manville jm roofing systems for app atactic polypropylene modified bitumen roofing products.

Jm app modified bitumen specifications. This manual is intended only as a guide and the recommendations represent dibiten s best judgement based on years of experience in the manufacture of modified bitumen roofing material. Jm basegrip sd sa is designed for use in roofing systems where two or more plies of modified bitumen are desired. Serve as a guide for architects specifiers roofing con tractors and others involved in the roof system selection and application process.

7a 7 roofing bitumens 7a 7 1 jm modified bitumen products are designed to be installed with hot asphalt or special cold application cements. Commercial roofing specs and details find the resources you need to design the best roofing system for your project. Permamop coal tar pitch and coal tar asphalt are not permitted. Some others may be heat welded.

1 4 for hot applied modified bitumen roofing system applications jm approved asphalt is required. It can be used as a direct substitute for asphalt in all jm modified bitumen roof membrane specifications. Cold process does not have to be heated. 1 5 jm does not recommend the use of traditional asphalt.

Cures to form a durable elastomeric and watertight film.