Roof Sheathing Nailing Schedule

Other exterior wall sheathing.

Roof sheathing nailing schedule.

Never attach roof sheathing with staples. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. Sheathing should be a minimum of 19 32 inch thick. 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.

Roof sheathing panel spacing hints. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 8d ring shank nails should be used instead.

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. 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. Spacer type panel edge clips are available from some manufacturers. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.

25 32 fiberboard sheathing b. Cover sheathing with shingle underlayment felt to minimize roof sheathing exposure to weather unless otherwise recommended by sheathing manufacturer. The typical thickness range for sheathing is 3 8 to 3 4 inch. A structure s roof truss spacing can vary from every 12 to 24 inches.

Roof sheathing and the gable truss. 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. Note holes should not remove more than half of the sheathing section note. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.

Nailing accuracy is crucial along this member. 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. 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 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.