Fiberboard rigid insulation is a product historically used in roof recover jobs, or jobs where a new roof is being installed over an existing roof. it has an r-value of 4.0 per inch, and is typically installed in thicknesses of ½” to provide a substrate between the old roof and the new roof.. Blue ridge fiberboard is the name you can trust for roofing, sheathing, and soundproofing products. our celotex brand of fiberboard is used in multiple applications, including roofing, residential construction, and commercial applications.. High density fiberboard roof insulation is a non-structural, non-load bearing material. high density fiberboard roof insulation should be stored dry and protected from the elements. no more insulation should be installed than can be covered completely with roofing on the same day..
¥ energyguard ª high density fiberboard roof insulation is a non-structural, non-load bearing material. ¥ energyguard ª high density fiberboard roof insulation should be stored dry and protected from the elements. no more insulation should be installed than can be covered completely with roofing on the same day.. Adds rigidity to foam insulation and the entire roof deck withstands normal deck traffic during and after membrane application use in asphalt and single-ply roofing systems and as a recovery board. Masterformat number and title 07 22 16 - roof board insulation limited warranty: blue ridge fiberboard, inc. warrants at the time and place we make shipment, our material will be of good quality and will conform with our published speci˜cations in force on the date of acceptance of the order..
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