How to Seal a Tile Pool


Pools are a great outdoor attraction, providing both beauty and amusement for the entire family. Most tiles used in a pool are already sealed. This is especially true if they are ceramic tiles. However, the grout between the tiles must be sealed properly to preserve the pool, keeping water from seeping behind the tile and destroying the foundation of the pool. It is much easier to take the time to properly seal a pool and reseal it every 5 years than it is to repair a pool foundation that is damaged.

Things You'll Need

  • Sealant
  • Paint brush
  • Carpenter's mask or respirator
  • Drain the pool of water. Allow it to dry completely before applying the sealant.

  • Choose a matte or glossy finish sealant. This is a matter of preference on the look and will not have any consequence on the final sealing of the tile. Make sure you don't use a water-based sealant in a pool, for it can erode in the water over time.

  • Put on mask or respirator. Since most pools are outside, you should have ample ventilation. Sealant can give off noxious fumes.

  • Apply the sealant with a paint brush. Keep the coat even and make sure you cover everything with a smooth coat over the tile and grout.

  • Allow the sealant to dry for 24 hours.

  • Apply a second coat of sealant in the same fashion as you did in Step 4. Allow this to dry for 24 hours prior to refilling the pool with water.

Tips & Warnings

  • If you are building a pool and sealing it during construction, it is best to add sealant to the grout as you build the pool. This adds an extra barrier of sealant. Once the pool has been given a week to cure and set, seal the tile as indicated in the steps above.

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