Plywood 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.

Plywood roof sheathing nailing schedule.

These schedules were calculated to provide resistance to wind uplift pressure as required by most codes. Roof sheathing panel spacing hints. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. 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.

For the 150 mph wind speed region the fastening schedule prescribes nailing at 6 inches on center at supported panel edges and over intermediate panel sup ports in zone 1 4 inches on center in zone 2 and 3 inches on center in zone 3. 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. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. Intermediate panel supports in zone 1 6 inches on center in zone 2 and 4 inches on center in zone 3.

Spacer type panel edge clips may also be used for roof sheathing applications. Panel roof sheathing plywood. Attaching plywood and osb sheathing. Wet and dry specimens of plywood and.

Recommendations were developed through engineering analysis and by full scale laboratory testing. To assure best performance follow these panel spacing and nailing recommendations for apa rated sheathing apa rated sturd i floor and apa rated siding. Use a 10d box nail to gauge 1 8 inch spacing between panels. Spacer type panel edge clips are available from some manufacturers.

Note holes should not remove more than half of the sheathing section note. 07 27 2007 06 42 am 5. Nailing schedules for wood structural panel roof sheathing plywood and oriented strand board osb. Nailing schedule is the familiar 6 inches on center at supported panel edges including gable end walls and 12 inches on center over intermediate panel supports.

Note however that minimum 8d nails are recommended for all panels 5 8 inch thick or less. A structure s roof truss spacing can vary from every 12 to 24 inches. 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.