Ventilate the roof according to current building codes step 3.
Install osb roof sheathing.
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.
Align the long edge of the sheathing with the ends of the.
When you intend to install osb sheaths try to determine the breadth or the ideal measurement of your choice of material.
You may choose between sheets that measure half an inch or 3 4 of an inch thick.
Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to sheathe roofs.
Avoid the errors described when installing this roof sheathing.
Check the nailing surface is level step 2.
Install osb panels on aligned roof trusses.
How to correctly install plywood or osb roof sheathing.
When osb is used as a structural panel it must adhere to specific span ratings specified by the.
This is usually a prerequisite in building codes.
The proper way to install osb span ratings.
Oriented strand board or osb roof sheathing is a preferred material for roofing because of its strength and low weight.
And scroll down to see more details on each with installation hints and tips below.
The screened surface also provides a little more traction for construction workers during installation.
Also use more nails and place them closer together to build a stronger roof.
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.
Select osb sheets.
Because the plywood roof sheathing under the shingles has become brittle and weak he plans to install new plywood as well as new shingles.
Cover sheathing with.
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.
When installing roof sheathing use nails with longer nail shank larger diameter and a larger head than may be required.