How Long Should My Roofing Nails Be

The screw shank nails.

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. More than 1 layer of roofing not recommended over 3 8 sheathing. 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. This is a reasonable guide most of the time.

Nails of the proper length should penetrate three fourths of an inch into the roof deck. If you want to hold 1 2 drywall to a stud wall the length of the nails should be at least 1 1 2. 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.

Is that you should choose a nail that is three times as long as the thickness of the material you are fastening. 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 rule of thumb with nails. 2 points if you get the pun.

For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. The one to two inch roofing nails are suitable for most types of roof shingles. 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.