Multipurpose 100% Silicone Sealant Clear Waterproof. Our 100% silicone sealant contains additives. Your project will look great and hold up when you use our silicone caulk. High Viscosity. The thick material can be easily applied to vertical surfaces. The clear silicone won’t run or drip, allowing for maximum application and bonding for your project. Color Choices. When you use our silicone sealant, you can choose from three different colors to get the best look for your finished project. Choose from black, white, or clear silicone sealant. Seal Cracks And Gaps. The silicone caulk is perfect for using to seal cracks and gaps around windows, on tile borders, around sinks and showers, and as water insulation in water closets. Easy To Use. The 100% silicone is simple to apply and dries within 48 hours. Keep your project held together with clamps for at least 2 hours while the silicone caulk dries. For flexible hold, long lasting and versatile application, our weather shield silicone caulk is ideal for your projects! Get yours today!