BB/CC grade luan is used in applications were one side’s appearance is important while the other is less important. It is used for furniture, cabinets, roofing panels, and underlayment.
OSB stands for Oriented Strand Board. It is an engineered material that is great for load-bearing applications. An alternative to plywood, it is constructed to prevent warping and splitting. Commonly used in sheathing on walls, floors, and roof decking.
Structural plywood used for sheathing surfaces of a building prior to being covered with other materials such as flooring, siding, or roofing. C/D grade indicates that the face has knots and defects filled in while the reverse side may have some that aren’t filled in. Neither side has been sanded smooth or appearance grade.
A sanded plywood panel with A-grade face, C-grade back and C-grade inner plies bonded with exterior glue. Our AC is solid core for use as underlayment.
R.P. Lumber - Edwardsville, IL