How Long Should My Roofing Nails Be

The nail plate and nail bed.

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. Nails that are longer than six inches are called pikes and they are seldom used on roofs. It is essentially where your nail comes from. The more common roof thickness is 3 4 inch decking.

Think of the matrix as basically where your nail is born. Use 1 nails in re roof applications when the old roof has been removed and to use 1 nails when overlaying the old roof. 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. You can t see it because it is underneath your.

This is a reasonable guide most of the time. When nailing very thin materials into wood a minimum of 1 2 of penetration is necessary. Your fingernails are made up of a bunch of different parts the most important ones of which are. 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.

If you want to hold 1 2 drywall to a stud wall the length of the nails should be at least 1 1 2. Nails of the proper length should penetrate three fourths of an inch into the roof deck. How your nails work. The one to two inch roofing nails are suitable for most types of roof shingles.

If you need bigger nails including pikes you may need to place a special order at the hardware store. 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.