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hardboard:see composition boardcomposition board,
wood product produced in the form of a board or sheet, formed of cellulose fibers or particles derived from wood or other sources, and used principally as a building material.
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A dense smooth-surfaced composition board composed of highly compressed fibers; one such type is called Masonite®. See also: Douglas fir
A fiberboard formed to a density of 30-50 pounds per cubic foot (480-800 kilograms per cubic meter) and having one textured and one smooth face.
A building material manufactured of wood fiber compressed into sheets; used extensively in building, e.g., as interior panels or durable siding.