Insulation On Roof Deck
The roof deck is cold wood decks without insulation above them will readily equilibrate to the exterior temperature.
Insulation on roof deck. Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the. The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions. During cooler night times and in winter periods the deck temperature can then be below the dew point of the interior air. Three in one composite roof deck panels provide acoustics insulation and a nailable surface that accepts a wide variety of roofing materials.
Roof deck insulation is being chosen for continuity the attic areas have limited accessibility and cellulose will already be on site. Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof. Minimum insulation r value requirements by state. Explore owens corning commercial roof and roof deck insulation products to help with your next building project.
Robustness 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. Armstrong world industries inc. Enjoy interior design freedom with above deck roof assemblies that allow for open interior ceilings and spaces. Rigid foam board is just above the roof deck or an exterior insulation option.
The later is used in new construction as the interior board serves as an inner wall. Non residential above roof deck this matrix provides the minimum insulation r values required by local and state municipalities. An excellent fire barrier densdeck roof boards feature a noncombustible core and inorganic surface that offer greater fire protection than other conventional commercial roofing products when applied over combustible roof decks and steel decks. To avoid getting into spray foam or having to get rigid material into the attic i m wondering if this is a possibility.
It typically has 3 variations.