OSB Sheathing

Oriented Strand Board - is manufactured from waterproof heat-cured adhesives and rectangularly shaped wood strands that are arranged in cross-oriented layers, similar to plywood. This results in a structural engineered wood panel that shares many of the strength and performance characteristics of plywood. Produced in huge, continuous mats, OSB is a solid panel product of consistent quality with no laps, gaps or voids.

Wood structural panel sheathing thickness is determined based on the spacing of the floor joists .

Wood structural panel floor sheathing spans across multiple floor framing members for extra strength and stiffness.

OSB or plywood sheathing is attached to the floor framing with the long edge of the panel perpendicular to the span of the framing member.