Roof Sheathing Nailing Schedule

Spacer type panel edge clips are available from some manufacturers.

Roof sheathing nailing schedule.

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

Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. 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. Apply adhesive along the connection between the roof sheathing and rafters in a continuous bead much like caulk around a bathtub or apply adhesive to two adjacent sides of 1 by 2 blocks 6 inches. 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. 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. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. 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.

25 32 fiberboard sheathing b. Cover sheathing with shingle underlayment felt to minimize roof sheathing exposure to weather unless otherwise recommended by sheathing manufacturer. 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.

Roof sheathing and the gable truss. Roof sheathing panel spacing hints. Tighter nail spacing is recommended 4 inches on center maximum. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.

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.