How Long Should My Roofing Nails Be

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.

How long should my roofing nails be.

If you need bigger nails including pikes you may need to place a special order at the hardware store. The most commonly used roofing nails range from one to two inches in length. For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. The more common roof thickness is 3 4 inch decking.

The one to two inch roofing nails are suitable for most types of roof shingles. If you want to hold 1 2 drywall to a stud wall the length of the nails should be at least 1 1 2. Use 1 nails in re roof applications when the old roof has been removed and to use 1 nails when overlaying the old roof. In general roofing nails should be long enough to penetrate the wood decking a minimum of 3 4.

Think of the matrix as basically where your nail is born. When nailing very thin materials into wood a minimum of 1 2 of penetration is necessary. You can t see it because it is underneath your. Nails that are longer than six inches are called pikes and they are seldom used on roofs.

More than 1 layer of roofing not recommended over 3 8 sheathing. How your nails work. It is essentially where your nail comes from. 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. We have to use 30 mm long nails if we are installing thicker shingles like the laminated shingles cambridge xpress or cambridge xtreme 9 5. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.