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.
Roof sheathing nailing schedule.
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.
Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.
Never attach roof sheathing with staples.
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.
Sheathing should be a minimum of 19 32 inch thick.
Other exterior wall sheathing.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.
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.
Roof sheathing and the gable truss.
If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected.
8d ring shank nails should be used instead.
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.
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.
The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.
Spacer type panel edge clips are available from some manufacturers.
25 32 fiberboard sheathing b.
Nailing accuracy is crucial along this member.
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.
Tighter nail spacing is recommended 4 inches on center maximum.
The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.
Roof sheathing panel spacing hints.
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.
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.