StoneTech Salt Water Resistant Sealer is formulated to protect exterior surfaces exposed to de-icing salts from salt degradation. Always test in a small inconspicuous area with a 24-hour cure time to determine ease of application and desired results. Allow new grout installations to cure for a minimum of 72 hours prior to application. Make sure surface is clean, dry and free of waxes and coatings. Surface temperature should be between 35 ¡F and 90 ¡F (1.7 ¡C and 32.2 ¡C). Ensure that the area is well-ventilated during application. Up to 475 sq. ft. of coverage per gallon, depending on porosity of stone. Expected wear is up to 5 years on exterior surfaces around pools, 1 year for protection against de-icing salt. Factory sealed containers of this product are guaranteed to be of first quality for two (2) years if stored at temperatures >50¡F (10¡C) and <90¡F (32¡C). Includes: 1 1-Gallon (3.785L) StoneTech Salt Water Resistant Sealer.