| Notice to the Reader:
The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.
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Manufacturer: Johns Manville Corporation
- Accepted for RoofStar Guarantee Program
- Date TBA
- Product Summary
- Johns Manville Corporation manufactures a variety of polyisocyanurate insulations. The insulation panels are manufactured with flexible facers, trilaminate foil, glassmat, or non-asphaltic inorganic matt facers for use in virtually all roof assemblies.
- These insulations are lightweight, easy to handle, and fully compatible with recognized roofing systems, deck types and materials. Their closed-cell structure assures long lasting thermal performance. The same polyisocyanurate foam core formulation is used in all the products manufactured by Johns Manville Corporation.
- ENRGY 3 CGF identifies the most widely used insulation using HCFC 141.b in the family of products manufactured by Johns Manville Corporation.
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- Click below for the Technical Data Sheet.
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