Johns Manville Modified Bitumen Roofing Details
Cures to form a durable elastomeric and watertight film.
Johns manville modified bitumen roofing details. Sbs dynafast lwic over steel or concrete new re roof or re cover. 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. Cold process does not have to be heated. Glasply premier and glasply iv may be used in selected specifica tions.
One part elastomeric cold application membrane adhesive. Here you will find direct links to code agencies for johns manville bituminous approvals. Some others may be heat welded. 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.
Whether you re in the design phase or on the roof we can provide the tools and support to get the project done right. 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. 7a 7 2asphalt can come from a variety of crude sources.
Currently available from johns manville jm for built up roofing membranes and covers both hot aphalt and cold adhesive applications included in sections 3b and 3c. It can be used as a direct substitute for asphalt in all jm modified bitumen roof membrane specifications. 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. Sbs modified bitumen.
Elastomeric sbs rubber and asphalt blend. Permamop coal tar pitch and coal tar asphalt are not permitted. Specifically engineered for high reflectivity durability and optimal embedment in the sbs modified bitumen sheet. Here you will find all of the sbs specifications 3 part specs details and installation guides.
Find johns manville roof assemblies. Modified bitumen sbs app miami dade approvals. For adhering roofing plies modified bitumen membranes and for aggregate surfacings. Johns manville app modified bitumen roofing systmes over lightweight concrete decks.
Provides full recovery properties after 100 elongation and lends elasticity and flexibility to the sheet and contains fire retardant additives. Johns manville modified bitumen roofing systems over lightweight concrete decks. Duraboard jm app base sheet ventsulation felt durafoam glasbase permaply 28 or an approved structural substrate. Johns manville approved asphalt supplier list.
Built up roofing miami dade approvals.