Plywood Roof Sheathing Gap

And scroll down to see more details on each with installation hints and tips below.

Plywood roof sheathing gap.

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. Ventilate the roof according to current building codes step 3. Check the nailing surface is level step 2.

Properly fasten panels including fastening and spacing hints step 4. Align the long edge of the sheathing with the ends of the. Some older h clips do not provide a built in gap. 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.

Cover sheathing with. Apa recommends a 1 8 inch space between panel edge and end joints. Not always required but a good idea. Plywood and oriented strand board osb like all wood products will expand or shrink slightly with changes in moisture content.

That can mean costly time consuming callbacks. Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof.