Roof Sheathing Nailing Schedule

The typical thickness range for sheathing is 3 8 to 3 4 inch.

Roof sheathing nailing schedule. 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. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. Roof and wall sheathing 8 10d every 4 6 on the seams and 8 12 in the field shingles six roofing nails or staples per shingle.

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. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. Never attach roof sheathing with staples. Spacer type panel edge clips are available from some manufacturers.

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. Use shingle underlayment felt conforming to astm d226 type i astm d4869 type i or astm d6757 self adhering polymer modified bitumen sheet underlayment should conform to astm d1970 or check roofing manufacturer s. Roofing contractors are not responsible for the attachment of structural panel sheathing to underlying wood framing proper nailing is an important consider ation in the overall performance of steep slope roof assemblies particularly in high wind regions therefore i en courage you to be familiar with these new fastener schedules. Roof sheathing panel spacing hints.

Note holes should not remove more than half of the sheathing section note. Tighter nail spacing is recommended 4 inches on center maximum. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing. 1 2 fiberboard sheathing b 1 galvanized roof nail 1 16 gage staple with 7 16 or 1 crown 3 edge 6 intermediate supports 35.

Tab shingles need two nails on each side of the tab drywall ceiling boards require 1 drywall screws every 6 8 while wall boards require drywall screws every 6 8 on the seams and 10 12 in the field. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing. A structure s roof truss spacing can vary from every 12 to 24 inches. Nailing accuracy is crucial along this member.

The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. Cover sheathing with shingle underlayment felt to minimize roof sheathing exposure to weather unless otherwise recommended by sheathing manufacturer. Other exterior wall sheathing. 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.

Sheathing should be a minimum of 19 32 inch thick.