Roof Cover Board R Value

Learn about insulation and cover boards.

Roof cover board r value.

Commercial roof insulation recommendations zones 1 3 pima recommended r value r 20 zones 4 6 pima recommended r value r 25 zones. This also means easy hoisting staging and maneuvering around the roof. 2 5 r value per of thickness. Stocked in 12 locations around the country to facilitate job start ups and completions structodek is available in 4 x4 and 4 x8 boards w56 358 8531 for a 4.

The building is more susceptible to hail fi re and wind damage. Other advantages of hd polyiso roof cover boards include. R3 r18 r21 total roof r value. R values 28 tested in accordance with astm c518 spannings.

The greatest risks to roofs aren t always seen. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. High r value 2 5 r. 1 4 spans flute widths up to 2 5 8 flexural strengths parallel lbs.

Without a cover board the roof is missing added durability. 1 4 dens deck roof board. R value is the measure. Roofing products commercial roofing products insulation and cover boards.

Provides significantly more thermal insulation r value than wood fiber or gypsum boards. Structodek is lightweight compared to many other roofing cover boards and it is fiberglass free and cuts with a standard utility knife. This means the cover board can be combined with polyiso roof insulation to meet energy code requirements for new and roof replacement systems. The increase r21 r3 exactly 18 the value by which you are increasing the r value.

Learn how adding a densdeck prime or densdeck stormx prime roof board to your roof assembly can help thwart the common damage inflicted by water wind fire puncture and more. High r value 2 5 r. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment.

An exceptional fire barrier thermal barrier and re cover board used in various commercial roofing systems. I calculate insulation resistance to heat loss or r percentage improvement always as relative to the original number. Learn about insulation and cover boards. This also means easy hoisting staging and maneuvering around the roof.

A typical 0 5 thick hd polyiso roof cover board has an r value of 2 5. Insulation epdm tpo modified bitumen app and sbs built up and metal roofing plus standard and custom accessories. Hail is damaging to insulation but by using a cover board the impact is minimized. Insulation and cover boards.

Insulation damage results in a reduction of the roof s thermal resistance or r value.