How To Install Osb Roof Decking
And scroll down to see more details on each with installation hints and tips below.
How to install osb roof decking. Check the nailing surface is level step 2. Avoid putting osb on wet roof trusses. The textured surface helps flashing and waterproof underlay stay in place effectively. Fitting the roof decking.
Lay sheets in rows with the long edge horizontal to the roof bottom. Provide a 1 8 inch gap. Ventilate the roof according to current building codes step 3. Drill pilot holes trough the rafters and insert the screws into the shed rafters after aligning the overhang at both ends.
Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to sheathe roofs. In order to get a professional result we recommend you to use 3 4 tongue and groove plywood sheets. 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.
Install osb textured side up. 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. Properly fasten panels including fastening and spacing hints step 4. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
Watch this now to learn how to avoid this same pr. Avoid installing osb with the textured side down. Cover sheathing with.