CGC - 1/4" Flex Board, 4' x 12' (see Delivery Disclaimer) 1/4" Flex Board is designed specifically for use in curved wall and ceiling applications. Curved partitions and surfaces present an aesthetic alternative to conventional flat construction, enabling interior designers, building and home owners, to create soft, innovative looks. 1/4" Flex provides the greater installation flexibility required to take the contour of frame placement and is ideal for curved staircases and ceilings as well as column enclosures in low and high-rise residences, sports facilities, schools, condominiums, and office areas. Data Sheet