Roofing Nail Size Requirements

Nails should be corrosion resistant.

Roofing nail size requirements.

Most of the nails do not come through the plywood. Nails that are longer than six inches are called pikes and they are seldom used on roofs. 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. Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks.

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. When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. Existing roof is a 3 tab shingle with 1 2 plywood.

More than 1 layer of roofing not recommended over 3 8 sheathing. 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. The nails used are 1 2 3 4. The more common roof thickness is 3 4 inch decking.

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. Nails of the proper length should penetrate three fourths of an inch into the roof deck. There are different kinds of roofing nails made of different materials and in various sizes. Nails are required to be galvanized steel stainless steel aluminum or.

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. The one to two inch roofing nails are suitable for most types of roof shingles. It is outside in a yard. What size roofing nail.

Seems 1 1 4 nails are recommended. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.