High-Density layer meets the requirements of ASTM C 1289, Type II, Class 4, Grade 1
Standard-Density layer meets the requirements of ASTM C 1289, Type II, Class 2
High-Density ProtectoR® HD:
Provides a high compressive strength protective layer for insulation while working with the membrane above to ensure maximum performance and longevity.
Standard-Density Foam (ENRGY 3 CGF):
Closed cell polyisocyanurate foam manufactured inline to create a homogeneous board with ProtectoR® HD and coated glass facers.
Inorganic Coated Glass Facers:
(With no cellulose) Provide improved resistance to mold growth, as well as a smooth surface that performs well with self-adhering systems, and efficient adhesive application in fully adhered single ply systems.
Cost Savings:
Installation labor savings by combining cover board and insulation into a single board. Eliminates adhesive cost to adhere cover board to insulation.
Johns Manville offers one of the most comprehensive portfolios of commercial low-slope roofing solutions. We have a long standing dedication to providing solution-based systems for building owners.
Here you will find quick links and cheat sheets to Johns Manville roofing systems code approvals and ratings.
Guarantees and Roof Maintenance
Support services can include: conceptual product information, building science, wind uplift data, national and local code understanding, FM Global® and UL® regulations, fastening patterns and sheet layouts, installation guidelines and standard details.
Re-roofing mechanically attached or ballasted insulated single-ply systems now have the potential for recycling versus contributing to a landfill.
Your resource for all JM documents in one place.
The Submittal Wizard is a tool to help you pull together the necessary documents for your submittal package.
