Roof Sheathing Nailing Schedule

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

Roof sheathing nailing schedule.

Nailing accuracy is crucial along this member. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing. Other exterior wall sheathing. Roof sheathing panel spacing hints.

The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. 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. 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. 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.

Note holes should not remove more than half of the sheathing section note. 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. 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. Spacer type panel edge clips are available from some manufacturers.

If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. A structure s roof truss spacing can vary from every 12 to 24 inches. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. 25 32 fiberboard sheathing b.

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. 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 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. Tighter nail spacing is recommended 4 inches on center maximum.

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.