How to Install Exterior Tile Trim for a Professional Finish

  • By:jumidata
  • 2024-06-04
  • 5

Installing exterior tile trim is a crucial step in completing any tiling project, as it provides a clean and professional-looking finish while protecting the edges of the tiles. This comprehensive guide will walk you through the detailed steps involved in installing exterior tile trim, ensuring a successful and long-lasting result.

1. Gather the Necessary Materials

Before you begin, gather all the essential materials: exterior tile trim, thin-set mortar, a notched trowel, a level, spacers, a grout float, and grout. Choose exterior-rated tile trim that matches the color and style of your tiles.

2. Prepare the Surface

Remove any dirt or debris from the area where the tile trim will be installed. Ensure the surface is level and even using a level. If necessary, apply a thin layer of self-leveling underlayment to create a smooth base.

3. Apply the Thin-Set Mortar

Spread a layer of thin-set mortar onto the prepared surface using a notched trowel. The notches will help to create a strong bond between the trim and the surface.

4. Install the Tile Trim

Place the tile trim over the thin-set mortar and gently press it into place. Use a level to ensure it is straight. Use spacers to maintain even spacing between the trim pieces.

5. Allow the Mortar to Cure

Allow the thin-set mortar to cure according to the manufacturer’s instructions, usually for 24 to 48 hours. This will ensure a strong bond between the trim and the surface.

6. Grout the Joints

Once the mortar has cured, apply grout to the joints between the tile trim using a grout float. Use a damp sponge to remove any excess grout. Allow the grout to dry completely.

7. Seal the Trim

Apply a clear sealer to the tile trim to protect it from moisture and dirt. Use a brush or roller to apply the sealer and allow it to dry thoroughly.

8. Clean Up the Excess

Once the sealer has dried, remove any excess grout or mortar from the surface using a damp sponge. Be careful not to scratch the tiles or trim.


By following these steps, you can confidently install exterior tile trim for a professional-looking finish. It protects your tiles from damage, enhances their appearance, and provides a durable and long-lasting result. Remember to use the appropriate materials and follow the instructions carefully to ensure a successful installation.

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