A thick white liquid is poured through a sieve and doesn't pass through, creating intrigue.

The video demonstrates a waterproof sealant being applied to various surfaces. Initially, a thick white liquid is poured through a sieve, showing it doesn't pass through. Then, a brush is used to apply a white substance to the sieve, which then repels water. The sealant is then shown being brushed onto a stone ledge, a wall, and a cracked concrete surface, effectively sealing them and preventing water penetration. The application is shown on different materials like stone, metal, and wood.