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Like glass tiles, you will not need to seal most porcelain tiles, particularly if the porcelain is already glazed. It depends on quality. Porcelain is very water resistant, but it is not 100% waterproof. To avoid staining, some homeowners use a penetrating sealer. It is also a good idea to seal your grout. Unless you use epoxy grout, grout is very porous and can harbor bacteria, mold, and mildew.

Costs range from $5 to $15 per square foot for installation and $150 to $600 for repairs, depending on the material and complexity.

On average, tiling a bathroom involves about 12 hours of labor, usually spread over two to three days to accommodate prep work and curing times. A professional tiler can often complete the installation in 6 to 8 hours, whereas a DIYer might take 10 to 16 hours. The total project time is influenced by factors like the bathroom layout, tile type, and necessary prep work, such as removing old tile. The process includes specific timelines for different areas; for example, tiling a floor takes about six hours, while a shower area can take six to ten hours. It is essential to allow for adequate curing time—typically 24 hours each—for the mortar, grout, and caulk, which is why the project extends over several days.

Porcelain tiles can last 60 years or longer. With high-quality tiles and proper installation, your porcelain tiles may even outlive you, making them well worth the initial investment.

To help your porcelain tiles last longer, you should clean and maintain them regularly. You don’t need any harsh chemicals to get the job done. Rather, use a cloth, hot water, and mild detergent. And don’t forget to learn how to clean floor tile grout, as that’s just as important as tile maintenance.