Roof sheathing and the gable truss.
Nailing sheathing on roofs with 1 rafter.
The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.
Check the nailing surface is level.
Anyway i did the roof but i think i ll stick with osb sheathing there aren t any voids that i have ever found and it seems to be stronger than 1 2 inch plywood unless you buy 5 8 or 3 4 inch stuff.
Cover sheathing with shingle underlayment felt.
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.
Properly fasten panels including fastening and spacing hints step 4.
Complete the second row offset one rafter width from the first then move onto the third row and so on until the last.
Install shingles according to manufacturer recommendations step 1.
A structure s roof truss spacing can vary from every 12 to 24 inches.
But the canadian stuff is the best.
Method for maintaining a continuous load path at the roof ridge by nailing roof sheathing.
Keep a 1 8 distance between sheets on all sides to allow roof for expansion due to heat.
The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.
Just stick a few nails between sheets when you line them up.
Ventilate the roof according to current building codes.
On the edges and 12 o c.
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.
Continue to install sheets nailing them down at 6 o c.
Nailing accuracy is crucial along this member.
Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.
Always check for a level nailing surface.