Nail Spacing For Roof Plywood

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

Nail spacing for roof plywood.

There are many uses for plywood from roofing to subfloors and everything in between. Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained. For clarity sheathing nails are not shown ladder framing at gable ends. Or less roof fastening zone wind main sheathing to gable overhang velocity roof end wall framingg eaves 3 second panel 123 2 3 2 3.

I personally do not like staples because i don t have any confidence in the longevity of the wire gauge. Because plywood is often used in support situations where it is part of the underlayment for. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. Roof sheathing panel spacing hints.

1 5 8 coated drywall screws are great but more time consuming to install. Not only that the spacing of nails on the edges of a panel are frequently different from the spacing within the panel. Spacer type panel edge clips may also be used for roof sheathing applications. Not all plywood applications require the same size nail or spacing between nails.

Roof sheathing fastening schedulea b c d e 8d common 0 131 x 2 1 2 inches or ring shank 0 135 x 2 1 2 inches except where noted for exposure b enclosed buildings roof framing spaced 24 inches o c. A structure s roof truss spacing can vary from every 12 to 24 inches. Properly nailing plywood down is more complicated than just whacking away at a nail with a hammer. The sheathing should be secured with 6d galv ring shank nails at apx 8 spacing.

Wind forces and plywood. The price is comparable so there is no cost advantage to using regular plywood. The lengths of nails are dependent upon the medium into which the nail is driven and can be adapted for a variety of. Never screwed the plywood roof decking on.

07 29 2007 06 45 pm. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. 2 8d galvanized ring shanks with a nail gun. Believe me you don t want to have to remove one of these sheets when fastened at the proper nail spacing.

Because of plywood s versatility different types of nails are recommended for specific jobs. Spacer type panel edge clips are available from some manufacturers. Use a 10d box nail to gauge 1 8 inch spacing between panels. A 4 x 8 piece of plywood when exposed to wind forces is nothing more than a large sail.

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. Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing. Nail spacing is recommended 4 inches on center maximum.