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.

In general roofing nails should be long enough to penetrate the wood decking a minimum of 3 4. Your fingernails are made up of a bunch of different parts the most important ones of which are. If you need bigger nails including pikes you may need to place a special order at the hardware store. The nail plate and nail bed.

How your nails work. 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. The most commonly used roofing nails range from one to two inches in length. 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. For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. You can t see it because it is underneath your. Nails of the proper length should penetrate three fourths of an inch into the roof deck.

This is a reasonable guide most of the time. If you want to hold 1 2 drywall to a stud wall the length of the nails should be at least 1 1 2. When nailing very thin materials into wood a minimum of 1 2 of penetration is necessary. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.

The one to two inch roofing nails are suitable for most types of roof shingles. The more common roof thickness is 3 4 inch decking. More than 1 layer of roofing not recommended over 3 8 sheathing.