Ronseal diamond hard doorstep paint restores and rejuvenates brick concrete stone and wood to give ultra tough protection and additional slip resistance theres no primer required and it resists knocking scuffing and scraping and provides protection from oil grease and water have a smarter and safer doorstep incredibly hard wearing doorstep paint that takes foot traffic in its stride giving you a non slip finish for years ideal for use on interior and exterior brick concrete stone and wood not su