Lay sheets in rows with the long edge horizontal to the roof bottom.
Osb roof decking which side up.
Zip system 5 8 cat ps2 10 tongue and groove osb sheathing application as 4 x 8.
Sheets must have a 1 8 inch expansion gap between them and should be secured to the rafters.
However structurally there is no difference in how the panel will perform whether the side with the grade stamps is installed up or down.
The textured surface helps flashing and waterproof underlay stay in place effectively.
Also by installing the stamps down the rougher side of the panels is kept upward which helps with worker traction on the jobsite.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.
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The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.
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.
Provide a 1 8 inch gap.
Osb sheathing which side out.
It reduces attic temperatures by up to 30 degrees fahrenheit and it blocks up to 97 of radiant heat.
For pricing and availability.
Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.
Suitable applications include sheathing in walls flooring and roof decking.
This reflection insulation also has high mechanical properties making it perfect for load bearing applications in construction.
Install osb textured side up avoid installing osb with the textured side down.
I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
Half inch osb is suitable for rafter spacings up to 24 inches whether or not the edges are supported.