Tighter nail spacing is recommended 4 inches on center maximum.
Nailing sheathing on roofs with 1 rafter.
Properly fasten panels including fastening and spacing hints step 4.
Cover sheathing with shingle underlayment felt.
The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.
Roof sheathing and the gable truss.
Always check for a level nailing surface.
Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.
Nailing accuracy is crucial along this member.
Open or skip sheathing is usually made with 1 4 or 1 6 boards nailed horizontally to the rafters with a space between the boards.
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.
Just stick a few nails between sheets when you line them up.
Raise the sheathing 1 8 inch above the previous row and nail it into place.
Complete the second row offset one rafter width from the first then move onto the third row and so on until the last.
Ventilate the roof according to current building codes.
Install shingles according to manufacturer recommendations step 1.
Since this sheathing material does not provide a diaphragm at the plane of the roof other means of bracing the roof against horizontal loads must be employed.
Check the nailing surface is level.
A structure s roof truss spacing can vary from every 12 to 24 inches.
Continue to install sheets nailing them down at 6 o c.
On the edges and 12 o c.
Keep a 1 8 distance between sheets on all sides to allow roof for expansion due to heat.