Rigid Mineral Wool Insulation Board Under Metal Roofing

The most common material used for an insulating metal roof is fiberglass batts or glass mineral wool.

Rigid mineral wool insulation board under metal roofing.

The batts are located side to side on the rafter of the roof. Alternatives for insulating metal shed. Exceptional dimensional stability and rated for extreme hail rockwool stone wool insulation roof boards have meet both the fm severe hail and the ul 2218a standard for impact resistance. Rigid stone wool insulation boards will be permanently mechanically supported by the strapping attachment if the attachment is designed to withstand live loads and total applied dead loads.

Fiberglass batts or glass mineral wool metal roof insulation. Since all iso foam insulation is faced it is a vapor barrier. It s light weight provides ease of handling. Material composition roofing felt 3 ply 1 5psf felt 5 ply 2 5psf rigid insulation temlock 1 thick 1 2psf cord 1 thick 0 7psf gold bond 1 thick 1 5psf styrofoam 1 thick 0 2psf foam glass 1 thick 0 8psf rigid fiberglass 1 thick 1 5psf roll or batt insulation rock wool 1 thick 0 2psf glass wool 1 thick 0 06psf alpol 0 1psf.

Iso rigid foam boards offer the highest r value per inch of any other foam product such as eps or xps. Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. This requires the use of soffit vents and a roof ridge vent to. When installing rigid insulation in an attic to be finished as a living space you must provide a route by which hot air can escape.

Both materials make a great physical barrier between the interior building and the metal roof. Comfortboard 80 is an exterior non structural insulation sheathing that provides a continuous layer of insulation around the commercial or residential building envelope. During installation minimal fasteners can be used to temporarily hold the product in place until the strapping is. Rigid foam board is another excellent option and cheaper than closed cell spray foam.