Roofing Nail Size Requirements

The more common roof thickness is 3 4 inch decking.

Roofing nail size requirements.

There are different kinds of roofing nails made of different materials and in various sizes. More than 1 layer of roofing not recommended over 3 8 sheathing. Nails that are longer than six inches are called pikes and they are seldom used on roofs. Existing roof is a 3 tab shingle with 1 2 plywood.

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. 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. The international building code requires that roofing nails have a minimum 12 gauge shank and a 3 8 inch diameter head. The most commonly used roofing nails range from one to two inches in length.

Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks. Nails are required to be galvanized steel stainless steel aluminum or. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. The nails used are 1 2 3 4.

The one to two inch roofing nails are suitable for most types of roof shingles. Nail application of asphalt strip shingles for new and recover roofing nails are required to have a minimum nominal shank diameter of 12 gauge 0 105 and a minimum head diameter of 3 8. What size roofing nail. Wood shakes minimum 3 4 sheathing wood shakes nail type minimum length 18 straight split 5d box 1 3 4 18 and 24 handsplit and resawn 6d box 2.

It is outside in a yard. The roof structure is completely open and can be seen from underneath. Nails of the proper length should penetrate three fourths of an inch into the roof deck. Most of the nails do not come through the plywood.

Nails should be corrosion resistant. 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.