How Many Nails For A 40 Sqaure Foot Roof

Roof material nail length pounds per square coils per square.
How many nails for a 40 sqaure foot roof. Roof nails per unit comp shingles 4 nails per shingle wood shakes 2 nails per shake wood shingles 2 nails per shingle osb plywood 72 nails per sheet. 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 roof is 3 000 square feet or around 30 squares. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
This number should then be divided by 100 to give you the total number of roofing squares and then multiplied by 350 again to equal the number of roofing nails you will need for this project. 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. When using a 1 5 inch roofing nail they usually have a large 11 gauge shank and an oversize 7 16 inch flathead. Estimate how many roofing nails you ll need.
You will also need 5 nails for each starter shingle. The average 3 tab shingle needs four nails per shingle. If there are 10 8 foot planks on your deck you need 160 nails to attach the planks. If you have high wind areas you will want to use five nails pers shingle equating to about 480 per square.
This amounts to an average of 320. Calculate the entire area to be built and the number of nails required. You should then add a small percentage between 5 and 10 percent to allow for overlapping of tiles. High wind areas and other types of shingles may need more.
Roofing material is estimated by the square which is equal to 100 square feet. At 4 nails per field shingle that s about 320 nails per square. For high wind areas use 6 nails per shingle or 480 nails per square. The length and width multiplied will equal the total square footage of your roof.
Outside of the u s a degree angle is typically used. Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. If there are 320 nails per roofing square and you need four squares you need 1 280 nails for the entire roof.