Osb Roof Decking Which 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.

Osb roof decking which side up.

The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings. Install osb textured side up avoid installing osb with the textured side down.

Sheets must have a 1 8 inch expansion gap between them and should be secured to the rafters. Half inch osb is suitable for rafter spacings up to 24 inches whether or not the edges are supported. This reflection insulation also has high mechanical properties making it perfect for load bearing applications in construction. The textured surface helps flashing and waterproof underlay stay in place effectively.

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. For pricing and availability. Provide a 1 8 inch gap. Suitable applications include sheathing in walls flooring and roof decking.

However structurally there is no difference in how the panel will perform whether the side with the grade stamps is installed up or down. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Watch this now to learn how to avoid this same pr. Osb sheathing which side out.

Also by installing the stamps down the rougher side of the panels is kept upward which helps with worker traction on the jobsite. Lay sheets in rows with the long edge horizontal to the roof bottom. It reduces attic temperatures by up to 30 degrees fahrenheit and it blocks up to 97 of radiant heat.