A-A-2243, COMMERCIAL ITEM DESCRIPTION: BUILDING BOARD, HARD-PRESSED VEGETABLE FIBER (HARDBOARD) (05-APR-1984) [SUPERSEDING LLL-B-810] [S/S BY ANSI-A135.4]

A-A-2243, COMMERCIAL ITEM DESCRIPTION: BUILDING BOARD, HARD-PRESSED VEGETABLE FIBER (HARDBOARD) (05-APR-1984) [SUPERSEDING LLL-B-810] [S/S BY ANSI-A135.4]., This description covers building board (hardboard) for interior and exterior use. It Is intended for use as industrial or building construction.