Roof Sheathing Nails

Roof sheathing panel spacing hints.

Roof sheathing nails.

If 8d common nails are specified the nail diameter must be at least 0 131 inch wider than typical 8d pneumatic nails. I m adding a deck with roof to the side of my house. There is a common misconception in the building industry that screws always outperform nails when attaching wood to wood. Nails from sheathing to ridge board roof sheathing ridge board ridge board joist or truss joist or truss roof sheathing vent holes on each side of ridge board.

Technical fact sheet no. I ll be using 3 8 plywood sheathing on 2x8s with 16 centers. Note holes should not remove more than half of the sheathing section note. We go in depth on how to install roof sheathing.

Sheathing should be a minimum of 19 32 inch thick. Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg. The problem exists because nail sizes and spacing used to attach the sheathing to the roof s structural members rafters or trusses do not provide enough strength to keep the sheathing on. Align the long edge of the sheathing with the ends of the rafter tails and the end of the sheathing opposite the edge of the roof centered on a rafter.

A structure s roof truss spacing can vary from every 12 to 24 inches. Spacer type panel edge clips are available from some manufacturers. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Never attach roof sheathing with staples. It s true that screws have a highly effective withdrawal resistance which makes them excellent fasteners for tasks such as avoiding squeaks. Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels.

Can screws be used instead of nails for attaching wall sheathing to framing. I read something that said the sheathing should be nailed on with 8d nails where i was planning to use 1 1 2 ringed plywood nails. Roe osborn a senior editor at jlc responds. The typical thickness range for sheathing is 3 8 to 3 4 inch.

18 roof sheathing installation home builder s guide to coastal construction page 2 of 3 recommended that deformed shank nails be used throughout the entire roof.