Minimum Roofing Nail Length

Ring diameter a minimum of 0 010 inch over shank diameter.

Minimum roofing nail length.

Nails with round heads and the following minimum dimensions. For example galvanized by various processes aluminium copper or stainless steel. 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 international building code requires that roofing nails have a minimum 12 gauge shank and a 3 8 inch diameter head.

Ring shank to extend a minimum of 1 1 2 inches from the tip of the nail. 16 to 20 rings per inch. 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. More than 1 layer of roofing not recommended over 3 8 sheathing.

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. The more common roof thickness is 3 4 inch decking. 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. However where the roof deck is less than three fourths of an inch thick the nail should be long enough to penetrate fully and extend at least one eighth of an inch through the roof deck.

A minimum 0 280 inch full round head diameter. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. 0 113 inch nominal shank diameter. Nails of the proper length should penetrate three fourths of an inch into the roof deck.

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. When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. 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. Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks.

Minimum 2 3 8 inch nail length.