GE Advanced Silicone 2 Kitchen & Bath Sealant - Squeeze, Clear, 2.8oz. From the #1 Silicone Brand, Advanced Silicone 2 Kitchen & Bath sealant is a high-performance, 100% silicone and 100% waterproof sealant ideal for areas prone to water exposure. Advanced Silicone 2 Kitchen & Bath sealant is permanently flexible with 40% more flexibility than Class 25 sealants and has 5X stronger adhesion than Silicone 1* sealant. Its 30-minute water-ready formula offers 10-year mold-free product protection to protect cured sealant against mold and mildew growth. Backed by a lifetime guarantee.100% waterproof seal & 30-minute water-readyMold resistant with 10-year mold-free product protectionExcellent adhesion; will not blemish most high-end metal finishesMeets ASTM C-920, Class 3540% more flexibility than Class 25 sealants5X stronger adhesion30-minute water-readyWont blemish most high-end metal finishes such as chrome, bronze & nickelLifetime guaranteeAdheres to: most metals, plastics & woods, glass, drywall, plaster, granite, cultured marble, ceramic & porcelain tile, natural stone, cement board, composites, Formica, fiberglass, aluminum & painted surfaces