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.
Which way do you lay plywood on a roof.
For best appearance use heavier weight shingles or laminated or textured.
In severe cases the sheets of plywood can actually create humps and dips between the roof framing members.
If you install plywood sheets tightly against one another the edges tend to pucker upwards when they expand.
Roof sheathing is a lot more than just flat panels onto which shingles are attached.
The solution 1 8 spacing.
This will provide time for roof sheathing to adjust to humidity and moisture conditions.
This happens because there is no other direction for them to go to relieve the swelling pressure.
The proper way to install osb.
Which way should my osb roof board s be installed.
The eight step installation instructions below will show you how to install metal roofing panels as a weekend diy project for your home.
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.
Install roof shingles according to manufacturer recommendations shingle hints.
Dropping the plywood joint below the plate creates a joint across the studs.
Things to consider before you begin.
Let s take a look at the most common types of metal roofs for houses.
How to install roof sheathing.
The roof s sheathing helps to keep the roof trusses or rafters properly spaced.
If you choose to omit the plywood from a residential construction install a vapor barrier between the purlins and the metal roof or plan to spray closed cell foam insulation between the rafters to eliminate the temperature differential between the air in the building and the metal.
Although blocking is required by code for walls floor or roof plywood systems do not require blocking.
If using asphalt or fiberglass shingles postpone shingle installation as long as possible.
For shear wall construction code requires blocking between the studs along every plywood joint.
Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.
This video will pro.