Roofing Nails Needed Per Square

Roof material nail length pounds per square coils per square.

Roofing nails needed per square.

Shakes and shingles also come in a variety of widths that may also affect the number of nails used per square. 320 nails will be needed to install a square of standard 3 tab shingles assuming four nails per shingle and 80 shingles per square. The average 3 tab shingle needs four nails per shingle. 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.

A structure s roof truss spacing can vary from every 12 to 24 inches. This amounts to an average of 320 nails per square or 100. Roof nails per unit. Asphalt fiberglass shingle nails.

This is based on 80 shingles per square. In addition to composition shingles materials may also include any necessary roofing felt underlayment ice and water shield nails ridge vent and roof flashing details such as valley drip edge gable and chimney flashing and caulk. This adds up to an average of 320 nails or 100 square feet. If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice.

Wood shingles 2 nails per shingle. Comp shingles smooth 1 1 33 2 63. For regular three tab shingles this would require 320 nails per square. 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 high wind areas use 6 nails per shingle or 480 nails per square. Nails will also be required for any roofing project. Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application. Other styles of shingles may require more or fewer nails per shingle and may have more or less than 80 shingles per square.

Roofing nails per square. At 4 nails per field shingle that s about 320 nails per square. Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing. Comp shingles 4 nails per shingle.

Estimate how many roofing nails you ll need. Osb plywood 72 nails per sheet. Generally you should use four nails per shingle. Shingle manufacturers recommend using four nails per shingle in the main part of the roof and five nails per shingle in the first row.

You will also need 5 nails for each starter shingle. 570 nails per square please be advised that the counts above are approximate and may vary significantly due to the different amount of exposure desired in each job. If you have high wind areas you will want to use five nails pers shingle equating to about 480 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.