Grout seal is a formulated sealer for floor grout. In cases where glazed tiles have been applied to the floor, invariably the grout has not been waterproofed. Being porous, dirt is likely to form, even with regular cleaning. Grout Seal will seal the pores. preventing water seepage & collation of dirt thus resulting in a cleaner more hygienic finish. May also be used on wall grout. Covers up to 700m