Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.
How to install osb roof decking.
Watch this now to learn how to avoid this same pr.
Check the nailing surface is level step 2.
Avoid installing osb with the textured side down.
Properly fasten panels including fastening and spacing hints step 4.
Provide a 1 8 inch gap.
Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to sheathe roofs.
Drill pilot holes trough the rafters and insert the screws into the shed rafters after aligning the overhang at both ends.
How to correctly install plywood or osb roof sheathing.
Fitting the roof decking.
And scroll down to see more details on each with installation hints and tips below.
Lay sheets in rows with the long edge horizontal to the roof bottom.
Cover sheathing with.
Answer osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up.
The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.
The textured surface helps flashing and waterproof underlay stay in place effectively.
Continue the woodworking project by fitting the plywood sheeting.
In order to get a professional result we recommend you to use 3 4 tongue and groove plywood sheets.
Install osb textured side up.
I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.