Precision Fit- Installing External Corner Tile Trim for a Clean Finish

  • By:jumidata
  • 2024-05-09
  • 11

When it comes to tiling, the devil is in the details. Nothing detracts from the beauty of a flawlessly installed tile floor or backsplash quite like unsightly corners. External corner tile trim provides a clean, professional finish that conceals the raw edges of tiles, ensuring a cohesive and polished look.

Step 1: Measure and Cut the Trim

Using a tape measure, determine the length of the external corner. Mark the measurements on the tile trim and use a miter saw or tile cutter to trim it to size. Ensure that the 45-degree angle cuts are precise and clean.

Step 2: Apply Adhesive to the Trim

Apply a thin layer of adhesive to the back of the trim using a notched trowel. Focus on the wings of the trim, ensuring even coverage.

Step 3: Position and Press the Trim

Position the trim on the external corner and press firmly into place. Use your fingers or a rubber mallet to ensure that the trim is completely adhered to the tiles.

Step 4: Remove Excess Adhesive

Immediately wipe away any excess adhesive that squeezes out from the edges of the trim using a damp sponge or cloth.

Step 5: Allow the Adhesive to Set

Allow the adhesive to set for the recommended time as specified by the manufacturer. This step is crucial to ensure that the trim is securely bonded to the tiles.

Step 6: Grout the Trim

Once the adhesive has set, you can apply grout to the joints between the tile trim and the tiles. Use a grout float to spread the grout evenly, filling all gaps.

Step 7: Clean and Seal

Remove any excess grout from the surface of the tile trim and tiles using a damp sponge or cloth. Allow the grout to cure completely before sealing the joints with a grout sealer.


Installing external corner tile trim is a simple but effective way to achieve a clean and professional finish in your tiled spaces. By following these steps carefully, you can ensure that your tile projects look polished and pristine, enhancing the overall aesthetic appeal of your home

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