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.

More than 1 layer of roofing not recommended over 3 8 sheathing. 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. This is a reasonable guide most of the time. If you need bigger nails including pikes you may need to place a special order at the hardware store.

Is that you should choose a nail that is three times as long as the thickness of the material you are fastening. 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 most commonly used roofing nails range from one to two inches in length.

In general roofing nails should be long enough to penetrate the wood decking a minimum of 3 4. The screw shank nails. 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. The rule of thumb with nails.

The more common roof thickness is 3 4 inch decking. 2 points if you get the pun. Use 1 nails in re roof applications when the old roof has been removed and to use 1 nails when overlaying the old roof.