Q&A for How to Replace Pool Tiles

Thinset mortar is often a good choice for this purpose. While thinset mortar itself is not waterproof, it is moisture-resistant, which makes it suitable for use in pool areas. However, for complete waterproofing, you should use a waterproof membrane or a waterproofing agent in conjunction with thinset mortar.

Warm water can soften some types of adhesive. Soak a cloth in warm water and lay it over the adhesive for a few minutes. This can make scraping easier. Use a plastic scraper (to avoid scratching the tiles) to gently remove the adhesive. If it’s stubborn, a putty knife can also work, but be gentle. If water and scraping aren’t cutting it, a chemical adhesive remover might work. Apply it as directed on the product, usually letting it sit for a bit, and then scrape off the adhesive.

You can find thinset mortar at most hardware stores or home improvement centers. Check out places like Home Depot, Lowe's, or your local hardware store. They usually have a variety of options for different types of tiling projects. You can also find it online on websites like Amazon, but remember to check the specifications to ensure it's the right type for your project.

Both epoxy and urethane grout are naturally water-resistant. Epoxy is durable and suitable for bathrooms and kitchens, while urethane is more pliable and good for areas with movement. You can buy these grouts at local hardware stores like Lowe's, Home Depot, ACE Hardware, or specialty flooring and tile stores.

When replacing a tile at the waterline where the pool plaster and tile meet, clean the area and remove any old grout or debris. Use a waterproof silicone sealant instead of grout for the joint, as it allows for flexibility and prevents water seepage. Apply the silicone carefully, smoothing it out to fill the gap completely, and let it cure according to the manufacturer's instructions before refilling the pool. This will provide a clean, flexible, and watertight seal.