Roof Cover Board R Value

Roofing products commercial roofing products insulation and cover boards.

Roof cover board r value.

Hail is damaging to insulation but by using a cover board the impact is minimized. R3 r18 r21 total roof r value. The increase r21 r3 exactly 18 the value by which you are increasing the r value. Structodek is lightweight compared to many other roofing cover boards and it is fiberglass free and cuts with a standard utility knife.

The greatest risks to roofs aren t always seen. Insulation damage results in a reduction of the roof s thermal resistance or r value. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. Calculate percent improvement in 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. High r value 2 5 r. Get to know more about one of the most popular commercial roofing systems. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment.

I calculate insulation resistance to heat loss or r percentage improvement always as relative to the original number. A typical 0 5 thick hd polyiso roof cover board has an r value of 2 5. This also means easy hoisting staging and maneuvering around the roof. With firestone you get one source with everything needed for any roof design.

1 4 spans flute widths up to 2 5 8 flexural strengths parallel lbs. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment. This means the cover board can be combined with polyiso roof insulation to meet energy code requirements for new and roof replacement systems.

Other advantages of hd polyiso roof cover boards include. 1 4 dens deck roof board. The building is more susceptible to hail fi re and wind damage. Without a cover board the roof is missing added durability.

This also means easy hoisting staging and maneuvering around the roof. An exceptional fire barrier thermal barrier and re cover board used in various commercial roofing systems. High r value 2 5 r. 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.

Learn about insulation and cover boards. Insulation and cover boards. R values 28 tested in accordance with astm c518 spannings. 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.

2 5 r value per of thickness.