blank

Molded surfboard-shaped core material, usually made of polyurethane foam bisected by a thin wood strip, from which a board shaper or board-shaping machine produces a ready-to-fiberglass surfboard. Blank models come in a assortment of densities, sizes, and materials.The typical 6' 6" blank used for a high-performance shortboard weighs just over five pounds. Several well-known shapers, including Al ...