Johns Manville Modified Bitumen Roofing Details

Glasply premier and glasply iv may be used in selected specifica tions.

Johns manville modified bitumen roofing details.

Johns manville self adhering modified roofing systems over concrete decks. 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. Some others may be heat welded. 7a 7 2asphalt can come from a variety of crude sources.

Johns manville app modified bitumen roofing systmes over lightweight concrete decks. Permamop coal tar pitch and coal tar asphalt are not permitted. Built up roofing miami dade approvals. Cures to form a durable elastomeric and watertight film.

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. Duraboard jm app base sheet ventsulation felt durafoam glasbase permaply 28 or an approved structural substrate. Sbs dynafast lwic over steel or concrete new re roof or re cover. Serve as a guide for architects specifiers roofing con tractors and others involved in the roof system selection and application process.

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. Commercial roofing specs and details find the resources you need to design the best roofing system for your project. It can be used as a direct substitute for asphalt in all jm modified bitumen roof membrane specifications. Johns manville modified bitumen roofing systems over lightweight concrete decks.

Modified bitumen sbs app miami dade approvals. For adhering roofing plies modified bitumen membranes and for aggregate surfacings. 7a 7 roofing bitumens 7a 7 1 jm modified bitumen products are designed to be installed with hot asphalt or special cold application cements. Specifically engineered for high reflectivity durability and optimal embedment in the sbs modified bitumen sheet.

Provides full recovery properties after 100 elongation and lends elasticity and flexibility to the sheet and contains fire retardant additives. Elastomeric sbs rubber and asphalt blend. One part elastomeric cold application membrane adhesive. Whether you re in the design phase or on the roof we can provide the tools and support to get the project done right.

Sbs modified bitumen. Here you will find direct links to code agencies for johns manville bituminous approvals. Find johns manville roof assemblies. Cold process does not have to be heated.

8a 2 membrane substrate 8a 2 1the surface on which the app modified bitumen roofing membrane is to be applied should be one of the following jm products.