How to Seal Limestone Floor Tiles

Sealing limestone floor tiles can be a difficult and time-consuming task, but it is well worth the effort for the protection and beautification that it provides. Limestone is a beautiful and durable stone, but it is also a porous material and needs to be sealed in order to prevent staining and water damage. To successfully seal your limestone floor tiles, you will need to prepare the surface, purchase the right sealer and apply it correctly.

Before you seal your limestone tiles, you need to prepare the surface. Vacuum up any dirt and debris from the flooring and then wash the tiles using an alkaline stone cleaner. An acid-based cleaner can damage the limestone, so be sure to use one that is specifically designed for limestone. Once all the tiles have been washed and cleaned, they should be left to dry for at least two days.

Once the tiles are dry, it’s time to purchase a sealer. An specialized sealer, designed specifically for limestone, must be used in this step. Read the instructions on the sealer carefully as some suggest applying a coat of sealer as soon as the tile is laid and every two years afterwards to maintain the choice stone.

For better protection, softer limestone tiles should be sealed with a penetrating sealer that contains a silicone-based agent. Wear protective eyewear, gloves, and a dust mask before using the sealer as the fumes are strong. Open all of the windows to allow proper air circulation. Pour some of the sealer liquid into a container and then use a foam paint brush to apply it. Make sure to cover the entire surface in long, sweeping strokes and leave the sealer to sit for about five minutes, then use a lint-free cloth to wipe away any excess moisture.

Once the tiles are sealed, you’ll need to wait for about three hours before applying a second coat. You will know when your limestone tiles require resealing, by the way any water sits on the stone — water on a protective seal will bead; if water no longer beads on the surface, your limestone needs to be resealed. Final steps include wiping away excess moisture and then polishing the floor tiles with a lint free cloth until they shine.

Sealing limestone floor tiles is a time-consuming project, but the rewards are well worth it. Following these steps carefully will help to maintain and keep your limestone tiles looking great and help them last for many years to come.