A volume measurement of materials such as SPF insulation, board-stock insulation and lumber. One board-foot equals a volume of 12 inches by 12 inches by 1 inch. Abbreviated bd•ft. (1 bd•ft = 1/12 cubic ft = 0.00236 m3).

SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.