Flat pieces of lumber used to build out framing to an even surface, either the leveling of a part of a wall or ceiling. In block or concrete construction, they may be used as a means of attaching the interior or exterior finish.
Narrow slats of wood that are attached to masonry or concrete to provide a nailing surface for other wood products.
Strips of wood used to support walls, ceilings, or floors on irregular or masonry surfaces.
Strips of wood, often 1 X 2 and used to shim out and provide a level fastening surface for a wall or ceiling