How Long Should Roofing Nails Be

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.
How long should roofing nails be. The thickness of the nail is directly proportional to its length thus the longer the nail the bigger its size. Use 1 nails in re roof applications when the old roof has been removed and to use 1 nails when overlaying the old roof. 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 range from one to six inches in length.
More than 1 layer of roofing not recommended over 3 8 sheathing. When nailing very thin materials into wood a minimum of 1 2 of penetration is necessary. This is a reasonable guide most of the time. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.
Browse other blogs by keywords. 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. If you want to hold 1 2 drywall to a stud wall the length of the nails should be at least 1 1 2.