Arch-Flex Tape is versatile product for curved surfaces from Strait-Flex. It's designed for archways, curved walls, ceilings, soffits, staircases, barrel vaults and groin cathedral ceilings. It's also perfect for free-form, custom plasterboard applications where a seamless installation is required. ** Roll size 85mm x 15m ** Produces smooth, professional-looking curves ** Patented tear strips allow for easy straight-to-curve transitions ** Resists dents paint chipping and commo**cracking problems ** Installs using standard compounds ** No special tools or fasteners required ** Requires minimal use of compound