How to Properly Prepare Shower Walls for Tiling

Learn essential tips for preparing your shower walls before tiling, ensuring durability and moisture resistance.

Published

Video transcript

Before tiling a shower, apply a cement backer board or a waterproof membrane to the walls. This ensures the surface is sturdy and prevents moisture from causing damage. Cement backer boards, like HardieBacker or Durock, are highly recommended. Additionally, use a waterproofing membrane, such as RedGard, on top of the backer board to create a moisture barrier. This preparation is essential for a long-lasting, mold-free shower.

Questions and answers

  1. What is the best material for shower wall backing?

    Cement backer board is the best choice for shower wall backing, providing strength and moisture resistance.

  2. Do I need a waterproof membrane under tile?

    Yes, applying a waterproof membrane, like RedGard, helps prevent moisture damage to the walls behind the tile.

  3. Can I tile directly over drywall in a shower?

    No, tiling directly over drywall in a shower can lead to moisture damage; a cement backer board is recommended.

  4. How do I apply a waterproof membrane?

    Apply the waterproof membrane over the backer board using a brush or roller, ensuring complete coverage and following the manufacturer's instructions.