Roll Roofing Psf

Psf not wind speeds.

Roll roofing psf.

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. One msr roofing roll is usually about 36 feet long by 36 inches wide. 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. 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.

Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet. As wind flows over the building the pressure directly above the surface of the roof decreases. Cold weather damages roofing sheets. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.

Coverage white fiberglass mineral surfaced cap roll roofing. So in terms of quantity a roofing roll is about the size of one composite shingle square. This is important to prevent wrinkling after application. 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.

Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. Ft sbs self adhering cap sheet roll for low slope roofing in slate model 3730750 101 02 roll 101 02 roll free delivery. Rolled roofing is easy to obtain and can be found at all home improvement stores. 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.

When maximum service life is an important con sideration use the concealed nail method of applica tion as a primary roof covering roll roofing. Set your store to see local availability add to cart. Gaf liberty 3 ft. Place bricks in the corner to keep it down and reduce resistance later.

It is used both as a primary roof covering and a flashing material. Roll out the roofing sheets and lay them flat on the ground.