STAIN-PROOF Plus™ is an impregnating, invisible and breathable sealer that protects natural stone countertops from damage caused by water, salts and oil-based stains. Treated countertop surfaces become easier to clean, maintain, and keep looking good for longer. STAIN-PROOF Plus™ provides lasting protection for natural stone that comes with a 25 year warranty*. Typical applications: STAIN-PROOF Plus™ is suitable for natural stone and concrete countertops. Benefits: The next generation of Dry-Treat™'s world leading STAIN-PROOF™ Original sealer, optimized for dense natural stone Permanent premium oil and water repellence. 25-year written performance warranty when applied by a Dry-Treat™ Accredit Applicator Three different custom sealing molecules for 3 levels of penetration and maximum stain repellence Includes a super penetrator for deep penetration of dense granites and marbles. Retains natural surface color and finish Super breathable: water vapor escapes freely preventing harmful moisture build-up inside the treated material Suitable for indoor, outdoor, residential and commercial use.