GE Advanced Silicone 2 Kitchen & Bath Sealant - Squeeze, White, 2.8oz. From the #1 Silicone Brand, Advanced Silicone 2 Kitchen & Bath sealantÊisÊa high-performance,Ê100%ÊsiliconeÊandÊ100% waterproofÊsealant ideal forÊareas prone to water exposure. Advanced Silicone 2 Kitchen & Bath sealant isÊpermanently 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.ÊBacked by a lifetime guarantee.