Installing Tile Trim External Corners- Step-by-Step Guide

  • By:jumidata
  • 2024-06-06
  • 16

Installing Tile Trim External Corners: A Comprehensive Guide

Prepare the Corner for Tile Trim:

Before beginning the installation, ensure that the corner is prepared for the tile trim. This involves cleaning the corner, ensuring it is dry and free of debris, and applying primer to improve adhesion.

Measure and Cut the Tile Trim:

Measure the length of the corner where the trim will be installed. Use a tile cutter or a miter saw to cut the tile trim to the measured length. It is crucial to ensure precise cuts for a seamless fit.

Apply Adhesive to the Tile Trim:

Spread a thin, even layer of construction adhesive on the back of the tile trim. Utilize a notched trowel to create ridges in the adhesive, maximizing the surface area for adhesion and preventing gaps.

Position the Tile Trim:

Carefully position the tile trim in the corner, ensuring it is properly aligned. Press the trim into place, applying firm pressure to ensure the adhesive bonds effectively. Check the level of the trim using a level to confirm it is installed straight.

Secure the Tile Trim:

To provide additional support and durability, use masking tape or painter’s tape to secure the tile trim in place while the adhesive cures. Allow the adhesive to set according to the manufacturer’s instructions, typically 24-48 hours.

Grout the Tile Trim:

Once the adhesive has fully cured, apply grout to the joints between the tile trim and the surrounding tiles. Utilize a grout float or a grout bag to distribute the grout evenly, ensuring it fills all the gaps. Remove excess grout with a grout sponge or a damp cloth.

Seal the Grout:

To protect the grout from moisture and stains, apply a grout sealer to the joints. Use a small brush to evenly apply the sealer, allowing it to penetrate the pores of the grout. Remove any excess sealer with a clean cloth.


Installing tile trim external corners is a straightforward process that enhances the aesthetics and durability of tiled surfaces. By following the steps outlined in this guide, you can effectively install tile trim, ensuring a professional and polished finish.

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