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5 Tile Mistakes That Are Wrecking Your Bathroom

BATHROOM TILES MOLD, STAINS, COSTLY REPAIRS | Tampa Bay / Clearwater / St. Pete

Avoid these surprisingly common issues that lead to mold, stains, and costly repairs.

Tile is a popular choice for bathrooms in the Tampa Bay / Clearwater / St. Pete area because it’s stylish, durable, and easy to clean. However, even the best tile job can fall victim to common installation and maintenance mistakes. These missteps may not seem serious at first, but can quickly lead to mold growth, unsightly staining, and expensive repairs. At Stone & Tile Medics we want you to be aware of five tile mistakes to watch out for —and why they are important.

  1. Skipping WaterproofingWithout a proper waterproof barrier beneath the tile, water can seep into the walls or subfloor. Over time, this leads to mold, mildew, and even structural damage. A waterproof membrane is essential to protect what’s behind the tile.
  1. Using the Wrong GroutNot all grout is created equal. Using the wrong type can result in cracks, stains, or premature wear. For example, sanded grout is ideal for wider joints, while unsanded grout suits narrow ones. In high-moisture areas, epoxy grout offers greater durability and stain resistance. Matching the grout type to the tile and environment is key. Sanded grout should never be used for natural stone tiles.
  1. Ignoring Expansion GapsTiles expand and contract with changes in humidity and temperature. If they’re installed tightly without space to move, they can push against each other, causing buckling or cracking. Tile projects should have small gaps at the perimeter and in strategic places, filled with flexible caulk or expansion joints, to absorb movement.
  1. Poor Surface PreparationTile needs a clean, flat, and stable base to adhere properly. Installing over uneven or dirty surfaces leads to tiles popping off, cracking, or shifting. Skipping surface prep to save time is a costly mistake that often results in a full reinstallation.
  1. Neglecting SealantGrout and many natural stone tiles are porous, meaning they absorb moisture and stains if left unsealed. Sealant acts as a protective barrier, but it wears off over time. Failing to apply and reapply sealer as needed leaves grout lines vulnerable to mold and discoloration.

When to Call Your PRO

If your bathroom tiles are cracking, lifting, or showing signs of water damage, it’s time to call in expertise. As a PRO, we can evaluate the issue, perform necessary repairs or complete restoration, and ensure your tile surfaces enhance your décor and your home.

By Sharon Koehler. This article is one of a series of Caring For It articles written and published on behalf of Surface Care PRO Partners.