Start the sheathing at the eaves and work your way up to 1 inch from the peak.
Wspacing nails on roof sheeting.
For clarity sheathing nails are not shown.
If necessary trim panel ends to center on framing.
An 8d nail 2 5 inches long is the minimum size nail to use for fastening sheathing panels.
Spacer type panel edge clips may also be used for roof sheathing applications.
Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.
Roof sheathing panel spacing hints.
Before hurricane andrew devastated south florida in 1992 roof sheathing was generally attached using 6d nails spaced at 6 inches along the edges of the sheathing and at 12 inches along interior.
It will support roof loads for most situations and is the standard for most roof applications.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
A structure s roof truss spacing can vary from every 12 to 24 inches.
Full round heads are recommended to avoid head pull through.
Use a 10d box nail to gauge 1 8 inch spacing between panels.
Install sheathing perpendicular to roof trusses one slope at a time.
Tighter nail spacing is recommended 4 inches on center maximum.
Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application.
Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing.
Nails size 8b should be installed every 6 inches on edges and every 12 inches in the center area.