Ventilate the roof according to current building codes step 3.
Plywood roof sheathing gap.
Cover sheathing with.
Virtually every one recommends that you your carpenter or builder create a 1 8 inch gap around all edges when installing plywood.
The shaft of the nail is slightly larger than 1 8 inch.
If the wood structural panels are tightly butted there is no room for expansion and buckling can occur.
And scroll down to see more details on each with installation hints and tips below.
Check the nailing surface is level step 2.
Not always required but a good idea.
Some older h clips do not provide a built in gap.
Use a 16d sinker nail for this purpose.
Apa recommends a 1 8 inch space between panel edge and end joints.
That can mean costly time consuming callbacks.
Properly fasten panels including fastening and spacing hints step 4.
H clips provide additional stiffness between bearing points for the unsupported edges of wood panel plywood or osb roof sheathing along with the necessary 1 8 gap for expansion as shown below illustrated on a bag of simpson h clips.
Align the long edge of the sheathing with the ends of the.