Roof Cover Board R Value

The building is more susceptible to hail fi re and wind damage.

Roof cover board r value.

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. R value is the measure. Insulation and cover boards. With firestone you get one source with everything needed for any roof design.

This also means easy hoisting staging and maneuvering around the roof. Roofing products commercial roofing products insulation and cover boards. Insulation epdm tpo modified bitumen app and sbs built up and metal roofing plus standard and custom accessories. Provides significantly more thermal insulation r value than wood fiber or gypsum boards.

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

The increase r21 r3 exactly 18 the value by which you are increasing the r value. An exceptional fire barrier thermal barrier and re cover board used in various commercial roofing systems. Commercial roof insulation recommendations zones 1 3 pima recommended r value r 20 zones 4 6 pima recommended r value r 25 zones. 2 5 r value per of thickness.

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. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment. Without a cover board the roof is missing added durability. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment.

The greatest risks to roofs aren t always seen. R3 r18 r21 total roof r value. Get to know more about one of the most popular commercial roofing systems. This means the cover board can be combined with polyiso roof insulation to meet energy code requirements for new and roof replacement systems.

Calculate percent improvement in r value. I calculate insulation resistance to heat loss or r percentage improvement always as relative to the original number. Hail is damaging to insulation but by using a cover board the impact is minimized. A typical 0 5 thick hd polyiso roof cover board has an r value of 2 5.

Insulation damage results in a reduction of the roof s thermal resistance or r value. Learn about insulation and cover boards. High r value 2 5 r. Structodek is lightweight compared to many other roofing cover boards and it is fiberglass free and cuts with a standard utility knife.

Other advantages of hd polyiso roof cover boards include.