Roll Roofing Psf

Cold weather damages roofing sheets.

Roll roofing psf.

Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. The roll roofing should be cut into maximum 18 lengths and stacked in a pile on a smooth surface before application until they flatten out. Furthermore the roofing designer or specifier sometimes assumes if there is a. Ft sbs self adhering cap sheet roll for low slope roofing in slate model 3730750 101 02 roll 101 02 roll free delivery.

This is important to prevent wrinkling after application. One msr roofing roll is usually about 36 feet long by 36 inches wide. A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof. As wind flows over the building the pressure directly above the surface of the roof decreases.

Coverage white fiberglass mineral surfaced cap roll roofing. Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet. So in terms of quantity a roofing roll is about the size of one composite shingle square. Gaf liberty 3 ft.

The roof deck shall be dry firm smooth and constructed of a minimum 3 8 thick plywood 7 16 oriented strand board osb or dry. Place bricks in the corner to keep it down and reduce resistance later. Roof damage caused by wind occurs when the air pressure below the roofing assembly is greater than the air pressure above the building s roof. Set your store to see local availability add to cart.

When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Psf not wind speeds. Rolled roofing is easy to obtain and can be found at all home improvement stores. Zinc roofing 1 6 lb m ft 2 7 8 kg m 2 copper asphalt composite shingle 4 2 lb m ft 2 20 5 kg m 2 asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 felt tar and gravel roofing 3 ply 4 8 lb m ft 2 23 4 kg m 2 felt tar and gravel roofing 4 ply 5 3 lb m ft 2 25 9 kg m 2 felt tar and gravel roofing 5 ply 6 1 lb m ft 2 29.

Roll out the roofing sheets and lay them flat on the ground. If you re doing this in the winter roll your roofing sheets out in a garage.