Tight-grip has been proven since 1987 in Norh America as a safe solution to an ever increasing problem when it comes to slip falls in the work place, comercial properties open to the public extirior solitions as well as residental our products are quarrenteed for 3 years and are installed by licensed Installers this product is not an etch of any kind and will not harm or change the look of the floor it is applied on.We offers seralers that penatrate up to 2''and protects stones and concrete up to 5 years and longer.We can be reached at *****