You will need approximately 2 pounds of nails to install a square of shingles in regular conditions and about 3 pounds if you are dealing with windy conditions.
How many pounds roofing nails per square.
Nails screws are sold by weight not quantity usually in 1 pound and 5 pound boxes.
Standard roofing 10 ga standard roofing 11 ga drywall in.
Other styles of shingles may require more or fewer nails per shingle and may have more or less than 80.
Shakes and shingles also come in a variety of widths that may also affect the number of nails used per square.
Nails per pound note counts are approximate and will depend on gauge of shank of each nail.
Asphalt fiberglass shingle nails.
Count 3 4 340 7 8 300 7 8 246 1 1 4 351 1 267 1 221 1 3 8 313 1 1 4 220 1 1 4 191 1 1 2 290 1 1 2 187 1 1 2 160 1 5 8 280.
Hdg nails have slightly less nails per pound due.
Use this chart to determine how many fasteners there are per pound.
Roof material nail length pounds per square coils per square comp shingles smooth 1 1 33 2 63 comp shingles dimensional 1 1 4 1 63 2 63.
Its explained on the roofing bundles a bundle will say what it is and how many on the instructions on the back heres a hint three for 100 square ft in 30 year and 4 for 100 sqare ft for 25 yrs and 4 nails for a shingle and buy the rolls of starter course for the out side edges and some cap shingle about half what you need for.
Approximately 140 of these nails make a pound so you need about 2 1 4 pounds of them to install a square of shingles in normal conditions and about 3 1 2 pounds in windy conditions.
For regular three tab shingles this would require 320 nails per square.
Wood shingles 2 nails per shingle osb plywood 72 nails per sheet.
This is based on 80 shingles per square.
Because nails are purchased by the pound so can ask your supplier for the correct number of nails for your size roof in the length you specify.