Nailing Schedule Roof Sheathing

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.

Nailing schedule roof sheathing.

If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. Nailing accuracy is crucial along this member. Roof sheathing panel spacing hints. 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. Tighter nail spacing is recommended 4 inches on center maximum. A structure s roof truss spacing can vary from every 12 to 24 inches. 8d ring shank nails should be used instead.

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. Roof and wall sheathing 8 10d every 4 6 on the seams and 8 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. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.

The typical thickness range for sheathing is 3 8 to 3 4 inch. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. Spacer type panel edge clips are available from some manufacturers. Roof sheathing and the gable truss.

Note holes should not remove more than half of the sheathing section note. 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. 25 32 fiberboard sheathing b. Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.

Sheathing should be a minimum of 19 32 inch thick. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Other exterior wall sheathing. 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.

Tab shingles need two nails on each side of the tab. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.