What size roofing nails do i need

Roofing Nail Sizes

What size roofing nails to use

 

Composition Shingles
Comp ShinglesSheathing Thickness
3/8″1/2″5/8″3/4″
3-Tab comp shingles (Bare sheathing)1″1″1″1″
Dimensional comp shingles (Bare sheathing)1″1-1/4″1-1/4″1-1/4″
3-Tab comp shingles over 3 Tab comp shingles1-1/4″1-1/4″1-1/4″1-1/2″
Dimensional comp shingles over 3 Tab1-1/4″1-1/2″1-1/2″1-1/2″

*More than 1 layer of roofing not recommended over 3/8″ Sheathing

Wood Shakes(minimum 3/4 ” sheathing)
Wood ShakesNail TypeMinimum Length
18″ Straight Split5d Box1-3/4″
18″ and 24″ Handsplit and Resawn6d Box2″
24″ Tapersplit5d Box1-3/4″
18″ and 24″ Tapersawn6d Box2″

 

Wood Shingles (minimum 3/4 ” sheathing)
Wood ShinglesNail TypeMinimum Length
18″ Straight Split3d Box1-1/4″
18″ and 24″ Handsplit and Resawn4d Box1-1/2″

Disclaimer
The above nail sizes are recommendations only. Consult your local building department for specific nailing applications.


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