Roof Sheathing Nail Spacing

Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.

Roof sheathing nail spacing.

8d ring shank nails should be used instead. The typical thickness range for sheathing is 3 8 to 3 4 inch. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than 3 4 inch into the roof sheathing.

The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing. Panel spacing is an apa recommendation to provide installers with a means of minimizing the potential for panel buckling. 04 product reviews see what other builders are saying. 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.

Spacer type panel edge clips are available from some manufacturers. A structure s roof truss spacing can vary from every 12 to 24 inches. Use a 10d box nail to gauge 1 8 inch spacing between panels. Nailing accuracy is crucial along this member.

Some manufacturers may. Believe me you don t want to have to remove one of these sheets when fastened at the proper nail spacing. Sheathing should be a minimum of 19 32 inch thick. 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.

If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. Roof sheathing and the gable truss. I personally do not like staples because i don t have any confidence in the longevity of the wire gauge. Never screwed the plywood roof decking on.

Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet. Roof slopes from two units vertical in 12 units horizontal 17 percent slope and. The cap nail shank shall be not less than 0 083 inch for ring shank cap nails and 0 091 inch for smooth shank cap nails. Tighter nail spacing is recommended 4 inches on center maximum.

Spacer type panel edge clips may also be used for roof sheathing applications. Note holes should not remove more than half of the sheathing section note. Never attach roof sheathing with staples. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.

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. Roof sheathing panel spacing hints. Prepare a rough opening for a nail fin window over zip system sheathing. 2 8d galvanized ring shanks with a nail gun.