Osb Which Side Up Roofing

The screened surface also provides a little more traction for construction workers during installation.

Osb which side up roofing.

Builders use osb to sheath. Sheets made from aspen or poplar which are common have more rot susceptibility than those made from rot resistant. Watch this now to learn how to avoid this same pr. By michael logan oriented strand board or osb is a sheet panel product similar to plywood made from layers of wood strands that are oriented in opposite directions.

Roof trusses must be dry when sheathing a roof with osb to prevent mold growth in the roof and coverage gaps as the trusses dry and shrink. 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. Avoid installing osb with the textured side down.

The textured surface helps flashing and waterproof underlay stay in place effectively. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Avoid putting osb on wet roof trusses. Osb sheathing has different textures on both sides as well.

One side has a polyurethane coating that shields the object from natural elements such as moisture but the opposite side does not have a finish at all.