Here is some specification about our product (Homax 9320-6-XCP6 Grout Sealer Residential 4.3 oz White - pack of 6) Provides excellent water protection and works against dirt penetration Forms a physical barrier to resist mildew stains Protects against stains from water-based liquids Easy to use applicator bottle makes sealing as quick and easy as wipe on and wipe off excess from tiles. If you didn't find needed information i will recommend contacting professional plumber, electrician or general contractor.