Drill pilot holes trough the rafters and insert the screws into the shed rafters after aligning the overhang at both ends.
How to install osb roof decking.
The textured surface helps flashing and waterproof underlay stay in place effectively.
Fitting the roof decking.
Continue the woodworking project by fitting the plywood sheeting.
Ventilate the roof according to current building codes step 3.
When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used.
Avoid putting osb on wet roof trusses.
Check the nailing surface is level step 2.
Avoid installing osb with the textured side down.
Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.
In order to get a professional result we recommend you to use 3 4 tongue and groove plywood sheets.
Lay sheets in rows with the long edge horizontal to the roof bottom.
Install osb textured side up.
And scroll down to see more details on each with installation hints and tips below.
Properly fasten panels including fastening and spacing hints step 4.
How to correctly install plywood or osb roof sheathing.
Provide a 1 8 inch gap.
Cover sheathing with.
The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.
I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.