How Long Are Roofing Nails

The shingle warranties are very specific about the nail length and you want the right nail so they have enough holding power to resist blowing off by strong winds.

How long are 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. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. Fasteners must be driven flush with the surface of the shingle. The thickness of the nail is directly proportional to its length thus the longer the nail the bigger its size.

Another kind of classification for roofing nails is by size. 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. The length of the nail is the shank and the shank can also vary. 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.

For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. The more common roof thickness is 3 4 inch decking. We have to use 30 mm long nails if we are installing thicker shingles like the laminated shingles cambridge xpress or cambridge xtreme 9 5. The length of each nail must be a minimum of 1 inches long and for roof overs atlas recommends a nail length of at least 2 inches.

Roofing nails roofing nail sizes sheathing 3d box 4d box 5d box 6d box what size roofing nails composition shingles wood shakes wood shingles. Fasteners should be long enough to penetrate at least 3 4 19mm into wood decks or just through the plywood decks.