To determine which tile is more waterproof, it is important to consider various factors such as the material, finish, and quality of the tiles. While both types of tiles may offer some level of waterproofing, certain materials tend to be more resistant to water than others.

For instance, porcelain and ceramic tiles are known for their inherent water resistance due to their dense composition. These tiles are typically highly fired and glazed, creating a protective barrier that helps to prevent water absorption.

On the other hand, natural stone tiles, such as marble or travertine, may have a higher porosity, making them more susceptible to water penetration. While these tiles can still be used in wet areas, proper sealing and regular maintenance are crucial to enhance their waterproofing capabilities.

In terms of finish, tiles with a glossy or glazed surface tend to be more waterproof compared to tiles with a matte or unglazed finish. This is because the glossy or glazed surface helps to repel water and prevent it from seeping into the tile.

Lastly, the quality of the tile also plays a significant role in their waterproofing capabilities. It is advisable to choose tiles from reputable manufacturers or suppliers with a proven track record in producing high-quality and durable tiles.

In conclusion, porcelain and ceramic tiles with a glossy or glazed finish are generally considered more waterproof compared to natural stone tiles. Nevertheless, it is important to also consider the specific needs of your project, such as the location and level of exposure to water, to make an informed decision.