How Long Should My Roofing Nails Be

Use 1 nails in re roof applications when the old roof has been removed and to use 1 nails when overlaying the old roof.

How long should my roofing nails be.

The most commonly used roofing nails range from one to two inches in length. 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. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.

This is a reasonable guide most of the time. More than 1 layer of roofing not recommended over 3 8 sheathing. 2 points if you get the pun. If you need bigger nails including pikes you may need to place a special order at the hardware store.

For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. The rule of thumb with nails. Nails of the proper length should penetrate three fourths of an inch into the roof deck. The more common roof thickness is 3 4 inch decking.

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 one to two inch roofing nails are suitable for most types of roof shingles. Is that you should choose a nail that is three times as long as the thickness of the material you are fastening.