Minimum Roofing Nail Length

Galvanized steel aluminum or copper roofing nails minimum 12 gage 0 105 in 3 mm shank with minimum 3 8 in 10 mm diameter head astm f 1667 of a length to penetrate through the roofing materials and a minimum of in 19 mm into the roof sheathing.

Minimum roofing nail length.

A minimum 0 280 inch full round head diameter. The international building code requires that roofing nails have a minimum 12 gauge shank and a 3 8 inch diameter head. A large nail head and heavier shank gauge provide greater holding power. 0 113 inch nominal shank diameter.

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. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. Minimum 2 3 8 inch nail length. The more common roof thickness is 3 4 inch decking.

When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. Nails with round heads and the following minimum dimensions. For example galvanized by various processes aluminium copper or stainless steel. All nails must be corrosion resistant.

Pick out stainless steel or hot dipped galvanized nails size 6d 1 1 2 inch long siding nails and 2 inch long siding nails in the quantity you need for your project. 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. Ring shank to extend a minimum of 1 1 2 inches from the tip of the nail. 16 to 20 rings per inch.

Ring diameter a minimum of 0 010 inch over shank diameter. If the hardiplank is being installed on a building in a humid climate or near the ocean or any large body of water the stainless steel nails are the first choice. More than 1 layer of roofing not recommended over 3 8 sheathing. 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.

Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks.