How to Properly Install Tile Trim on External Corners

  • By:jumidata
  • 2024-09-06
  • 11

Tile trim plays a vital role in enhancing the aesthetics and functionality of tiled surfaces, particularly on external corners. Installing tile trim on external corners requires precision and attention to detail to achieve a flawless finish. This comprehensive guide will provide step-by-step instructions on how to properly install tile trim on external corners, ensuring a durable and visually appealing result.

Preparation and Materials

Gather necessary materials: tile trim, miter saw, measuring tape, level, thinset mortar, grout, grout float, and sponge.

Measure and mark the length of the tile trim required for the external corner. Cut the trim at a 45-degree angle using a miter saw.

Apply a thin layer of thinset mortar to the back of the trim using a notched trowel.

Installation

1. Setting the First Piece:

Position the first piece of trim at the external corner, aligning the angled cut with the corner.

Gently press the trim into the thinset mortar, using a level to ensure it is plumb.

Hold the trim in place for several minutes to allow the mortar to set.

2. Cutting and Fitting the Second Piece:

Place the second piece of trim perpendicular to the first, overlapping the angled cut by approximately 1/4 inch.

Use a pencil to mark the point where the trim overlaps.

Cut the second piece at a 45-degree angle to match the overlap.

3. Joining the Pieces:

Apply thinset mortar to the back of the second piece.

Align the second piece with the first, fitting the angled cuts together snugly.

Press the trim into place, ensuring it is level.

4. Finishing Touches:

Wipe away any excess mortar from the surface of the trim.

Allow the mortar to dry completely before grouting.

Apply grout to the joints between the trim and the tiles, using a grout float.

Smooth and clean the grout according to the manufacturer’s instructions.

Additional Tips

Use a tile cutter instead of a miter saw for more precise cuts.

Back-butter the tile trim with mortar to improve adhesion.

Ensure the corner is perfectly square before installing the trim.

Use a wet saw to cut ceramic or porcelain tiles, as they can be difficult to cut with a miter saw.

Allow the grout to cure for at least 24 hours before using the area.



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