DIY Tips- Installing Tile Trim External Corners Like a Pro

  • By:jumidata
  • 2024-06-07
  • 11

In the realm of DIY home improvement, tiling projects can add a touch of elegance and durability to any space. While the process may seem daunting at first, with the right techniques and a bit of preparation, you can achieve professional-looking results. One crucial aspect of tiling is installing tile trim, particularly around external corners, to provide a clean and finished look. In this article, we’ll delve into the DIY tips and tricks to ensure you install tile trim external corners like a pro.


1. Gather Tools and Materials: Before embarking on your project, gather the necessary tools, including a miter saw, tile cutter, adhesive, spacers, and the tile trim itself.

2. Measure and Cut Tile Trim: Carefully measure the external corners of your tiled surface. Use a miter saw to cut the tile trim at a 45-degree angle on both ends to ensure a precise fit.

3. Apply Adhesive: Apply a thin layer of adhesive to the back of the tile trim using a notched trowel. Make sure to distribute the adhesive evenly to ensure a strong bond.


1. Position the Tile Trim: Carefully position the first piece of tile trim at the external corner and press it firmly into the adhesive. Use spacers to ensure uniform gaps between the trim and the tiles.

2. Cut and Install the Second Piece: Measure the remaining length of the external corner and cut the second piece of tile trim accordingly. Apply adhesive to the back and position it snugly against the first piece, forming a 90-degree angle. Ensure the corners meet precisely.

3. Remove Spacers and Clean: Once the tile trim is set, remove the spacers and wipe away any excess adhesive with a damp cloth.

Finishing Touches

1. Caulking: Apply a bead of caulk along the seam where the tile trim meets the tiles. This will help seal out moisture and provide a professional finish.

2. Grouting: If desired, you can apply grout to the gaps between the tile trim and the tiles. Match the color of the grout to the tiles and follow the manufacturer’s instructions for mixing and application.

3. Cleanup: Once the grout is dry, remove any excess and clean the tile trim with a damp cloth. Your tile trim external corners are now complete and looking like they were installed by a seasoned pro.

Tips for Success

Use a Wet Saw: For precise cuts, use a wet saw instead of a miter saw.

Test Fit Before Adhering: Dry-fit the tile trim before applying adhesive to ensure a proper fit.

Clean the Surface: Before installing the tile trim, clean the surface thoroughly to remove any dirt or debris.

Press Firmly: Apply even pressure when pressing the tile trim into the adhesive for a secure bond.

Allow Adequate Drying Time: Follow the manufacturer’s instructions for the recommended drying time for the adhesive and grout.

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