Properly fasten panels including fastening and spacing hints step 4.
Nailing sheathing on roofs with 1 rafter.
8d ring shank nails should be used instead.
Hi i will be fastening plywood gussets to my 2 by 6 rafters to deepen the bays for additional insulation in my attic.
Always check for a level nailing surface.
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.
Install shingles according to manufacturer recommendations step 1.
Roof and wall sheathing 8 10d every 4 6 on the seams and 8 12 in the field.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Ventilate the roof according to current building codes.
Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.
Provide a 1 8 inch gap between the panels in each row.
Nail the panels to the rafters with 8d common nails spaced 6 inches apart on the ends and 12 inches apart in the middle.
This can be done with a straight piece of lumber 6 feet to 10 feet long or a long carpenter s level.
The plywood is 3 4 inch thick.
Cover sheathing with shingle underlayment felt.
Check the nailing surface is level.
If top chords of trusses or rafters are warped or bowed install blocking to straighten.
Always check for level nailing surface.
Shingles six roofing nails or staples per shingle.
A structure s roof truss spacing can vary from every 12 to 24 inches.
How to fasten the gussets.
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.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
I have 3 questions.
Tab shingles need two nails on each side of the tab.
But the canadian stuff is the best.
Sheathing should be a minimum of 19 32 inch thick.
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.
Never attach roof sheathing with staples.
Gussets will be 11 inches long mounted onto 4 5 inches of the long side of the rafter and allowing me to deepen the rafter by a further 6 5 inches.