Question: It is necessary to seal ceramic tiles with a silicone sealer?
Answer: While the glazed surface of ceramic tiles is water-resistant, the grout between the tiles is more porous and can absorb water, making it vulnerable to staining and mildew. Applying a silicone sealer to the grout helps make it more waterproof and protects against these issues. When sealing grout on floor tiles, be careful to apply the sealer only to the grout, as it can make the tiles extremely slippery. While sealing grout is beneficial, it is not a mandatory requirement.
