How Long Should Roof Nails Be

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.

How long should roof nails be. More than 1 layer of roofing not recommended over 3 8 sheathing. For reroofing shingle over shingle or hip and ridge application it is necessary to use minimum 35 mm long roofing nails. Roofing nails range from one to six inches in length. The type of nails you ll need to use during the sheathing process depends on the roof material thickness.

The more common roof thickness is 3 4 inch decking. In general roofing nails should be long enough to penetrate the wood decking a minimum of 3 4. Continue reading below our video of the day. Browse other blogs by keywords.

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. Nails that are longer than six inches are called pikes and they are seldom used on roofs. Use 1 nails in re roof applications when the old roof has been removed and to use 1 nails when overlaying the old roof.