Roofing Nails Required For 1 Square Of Shingles

Roof material nail length pounds per square coils per square.

Roofing nails required for 1 square of shingles.

Wood shakes 2 nails per shake. A large nail head and heavier shank gauge provide greater holding power. This amounts to an average of 320. This adds up to an average of 320 nails or 100 square feet.

General guidelines for nailing shingles. The average 3 tab shingle needs four nails per shingle. Comp shingles 4 nails per shingle. 320 nails will be needed to install a square of standard 3 tab shingles assuming four nails per shingle and 80 shingles per square.

For high wind areas or when shingles are being applied to a mansard six nails per shingle are required 480 nails per square. However placement of the nails is the most important in any roofing job. Comp shingles smooth 1 1 33 2 63. Nail quantity per square shingle manufacturers recommend using four nails per shingle in the main part of the roof and five nails per shingle in the first row.

A nail line is indicated on the shingles and locates the correct places to put nails. The rationale behind the number is that in most cases four nails are the right number of nails to do a quality job. High wind areas and other types of shingles may need more. Roofing nails per square most shingle manufactures recommend using four nails per shingle on the main area of your roof and five nails per square in the first row of roofing.

For all owens corning shingles roofing nails should penetrate into the wood deck by a minimum of inch or completely through the roof deck by a minimum of 1 8 inch. When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. Generally you should use four nails per shingle. A roofing nail should have a minimum nominal shank diameter of 12 gauge 2 67 mm and a minimum head diameter of 9 5 mm.

Layers if you are putting a layer of asphalt shingles over an existing layer of asphalt shingles on to a 3 4 inch deck or a plank deck then you should be using 1 1 2 inch nails. Standard roof installation requires four nails per shingle. Osb plywood 72 nails per sheet. Roofing nails per square.

For regular three tab shingles this would require 320 nails per square. If you have high wind areas you will want to use five nails pers shingle equating to about 480 per square. This is based on 80 shingles per square. Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks.