Estimate Roof Felt Nails

Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads.

Estimate roof felt nails.

The nails should be long enough to go 3 4 inch 1 9 cm into the roof. 3 degree use the grip rite 11 x 1 1 4 in. Electrogalvanized steel roofing nails 5 lb. Put fasteners at least every 8 inches.

The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound roofing felt covers about 200 ft 2 or 2 squares. Owens corning provides estimating guidelines to estimate the amount of shingles nails and underlayment you will need for your roofing project as well as tips for determining your roof slope. Pack use the grip rite 11 x 1 1 4 in. In high wind areas you need five nails per shingle or 480 nails per square.

Use a construction stapler or a hammer. How many rolls of felt will you need. Nails are purchased by the pound so ask your dealer for the correct amount of nails for your size roof in the length you specify. One and a half inch roofing nails typically have a large 11 gauge shank and an oversize 7 16 inch flat head.

Always use 1 in 2 5 cm nails. 3 degree electro galvanized steel roofing nails 5 lb pack for applying roofing asphalt shingles insulation board and felt to wood substrates. Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30.