@lubanwaterproof213: Structural gaps are sealed with hot-melt non curing waterproof coating, which is a modified asphalt waterproof coating that has been in a stagnant state for a long time and has creep properties. The advantages of this product are: -Strong adhesion and resistance to water seepage -Good creep resistance, adaptable to grassroots deformation -Good viscosity and self-healing function To learn more about waterproof products, you can visit our official website www.lubanwaterprof.com#waterproof #waterproofing #waterproofmaterial #waterproofcoating #waterleakage