Osb Roof Sheathing Which Side Up

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.

Osb roof sheathing which side up.

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. For pricing and availability. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.

Avoid installing osb with the textured side down. Select osb sheets rated for use as a wall sheathing that meet or exceed the stud spacing on your walls. Osb sheathing is a special type of board that is well engineered being composed of strands of compressed wood which are layered and unionized together using a resin. For example it does not have voids or knots or gaps and laps.

A lot of builders are considering osb sheathing not just because of its strength but because it is inexpensive. Avoid putting osb on wet roof trusses. Which side of your osb to paint norbord north american products lp topnotch sub flooring floors building products which side of your osb to paint norbord north american products osb hanging questions archive the garage journal board 5 tips for installing osb sheathing doityourself roof wall sheathing weyerhaeuser. Install osb textured side up.

You may use a sheet rated for a 24 inch span when studs are spaced 16 inches. The textured surface helps flashing and waterproof underlay stay in place effectively.