How Long Are Roofing Nails

The length of the nail is the shank and the shank can also vary.

How long are roofing nails.

When using a 1 5 inch. Roofing nails roofing nail sizes sheathing 3d box 4d box 5d box 6d box what size roofing nails composition shingles wood shakes wood shingles. The thickness of the nail is directly proportional to its length thus the longer the nail the bigger its size. Roofing nails range from one to six inches in length.

Use only zinc coated steel or aluminum 10 12 gauge barbed deformed or smooth shank roofing nails with heads 3 8 10mm to 7 16 12mm in diameter. Continue reading below our video of the day nails that are longer than six inches are called pikes and they are seldom used on roofs. Fasteners must be driven flush with the surface of the shingle. The more common roof thickness is 3 4 inch decking.

For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. Standard lengths are between 1 and 2 inches 2 and 5 centimeters but they are also available at lengths of up to 6 inches 15 centimeters. 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.

This adds up to an average of 320 nails or 100 square feet. If you re applying a thin shingle to a wood surface and no other shingles are present you might be able to get by with nails that are only one and one quarter inch long. Another kind of classification for roofing nails is by size. If you have high wind areas you will want to use five nails pers shingle equating to about 480 per square.