Features: 1. **High Viscosity Formula**: Our Waterproof Sealing Cement features a high viscosity that ensures effective sealing of cracks and gaps, providing a robust barrier against water seepage and moisture damage. 2. **Durable and Long-Lasting**: Made with advanced polydimethyl-siloxane and polyurethane, this sealing mastic offers exceptional durability and a professional caulking effect, ensuring long-term stability in various conditions. 3. **Easy Application**: Simply open the package, clean the area, and fill the gaps with our sealing cement. Its user-friendly design makes it perfect for both DIY enthusiasts and professionals alike. 4. **Versatile Adhesion**: This sealing cement adheres strongly to a variety of surfaces, including concrete, wood, and metal, making it ideal for multiple applications around the home or workplace. 5. **Smooth Finish**: Achieve a seamless and smooth finish by wiping the surface after application. Our sealing cement allows for easy manipulation to blend perfectly with surrounding areas. Our sealing mastic contains polydimethyl-siloxane, polyurethane. It can efficiently seal cracks, strong and durable, with professional caulking effect. Its use is simple: open the package and take out the sealant. Clean the gaps that need to be sealed to ensure that there is no dust, water, debris and other debris. Fill the cement into the gap to a depth of 3-5 cm to ensure even filling. Wipe the surface with your hand or a tool to keep it smooth with the surrounding area. And strong adhesion, suitable for a variety of material surfaces, to ensure long-term stability.