Roof Sheathing Nailing Schedule

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

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The Number One Roof Sheathing Being Used To Day Is Plywood Or Particle Board Such As O S B Board We Will Take A Look At These A Roof Sheathing Sheathing Roof

The Standard Nailing For Asphalt Shingles Is A Four Nail Pattern With Nails Placed 1 Inch From Each End Of Each Shingl Shingling Diy Roofing Roof Installation

Table 2 1 Recommended Schedule For Nailing The Framing And Sheathing Of A Wood Frame Structure Sheathing Wood Frame Construction

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

Roof sheathing nailing schedule.

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

Other exterior wall sheathing. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. 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. 25 32 fiberboard sheathing b.

Nailing accuracy is crucial along this member. Roof sheathing panel spacing hints. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. 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.

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. Spacer type panel edge clips are available from some manufacturers. 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.

Tighter nail spacing is recommended 4 inches on center maximum. 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. 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. Roof sheathing and the gable truss.

A structure s roof truss spacing can vary from every 12 to 24 inches.

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