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- R-Value. For 1/2" (12.7 mm) thickness, an R-value of 1.3 (.23) is provided. An R-value of 2.8 (.49) is provided with 1" (25.4 mm) thickness.
- Strong resistant to traffic. Withstands normal deck traffic during and after membrane application.
- Rigid. Provides added rigidity to foam insulation and entire roof deck.
*R-values shown are based on ASTM Test C 518 or C 177 at 75 degrees Fahrenheit mean temperature.
Recommended Uses
- General purpose roof fiberboard for use in conventional built-up and Modified Bitumen Membranes.
- Recovery board over existing roof deck prior to reroofing
- Protective cover over insulation to prevent damage.
- Under fully adhered EPDM single ply membrane (High Density, Class-E only)
- Under mechanically fastened roof systems.
- Under loose laid ballasted roof systems.
 Return to Regular and High Density Fiberboard Insulation
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