Tiling around a window without trim can create a unique look that makes the room pop, but you may not feel confident enough in your DIY skills to take on a tiling project. If you’re doubting your abilities and want to renovate your walls, don’t worry. We’re here to show you the ropes and help you get professional-looking results on your first try.
Tiling projects can have a bit of a learning curve, but they don’t have to be intimidating. Read on for our step-by-step guide to tiling around a window without trim, from preparation steps all the way to grouting and finishing touches.
Planning Your Tile Design
Before diving into the tiling process, you need a solid plan. A little bit of planning goes a long way and helps you avoid costly mistakes down the line.
Measuring and Selecting Tiles
The first step in planning a trimless window tile design is to carefully measure the area and choose the right tiles. Be sure to measure the window area, including the reveal. When measuring, take the window’s sliding or opening motion into account so your tiles won’t get in the way of the window operation.
Next, choose tiles that complement your room’s decor. When buying tiles, order 10% to 20% extra to give you some wiggle room for mistakes.
If you’re not sure what kind of tiles to get, thicker, natural stone tiles like travertine tiles often look particularly striking without trim. However, weigh the pros and cons of travertine tiles before buying. Rectified tiles, with their precise edges, can also create a modern aesthetic with minimal grout lines.
Designing the Layout
Once you measure your window and choose your tiles, it’s time to design the layout. Start by sketching the tile pattern on paper or using design software. Then, decide whether you want to tile the entire window reveal.
After you get the initial plans down, mark the extent of tiling on the wall with a pencil. This will help you visualize what’s on paper and apply it to the wall.
Gathering Materials and Tools
Before you start tiling, you need the right tools and materials. Here’s what you should have on hand:
Materials Checklist:
- Tiles (including extra for waste)
- Tile adhesive
- Grout
- Primer mix
- Tile spacers
- Wood offcuts for guides and propping
Tools Checklist:
- 96-inch spirit level
- Square notch trowel (¼ inch for most applications)
- Wet tile saw
- Drill and screws
- Bucket and sponge
- Grouting bag
- Protective gear (gloves, goggles, ear protection)
Preparing the Surface and Workspace
Experienced DIYers know you can’t just dive into a project headfirst without doing some planning. For best results, smooth out your walls and set your workspace up ahead of time.
Ensuring a Smooth Surface
Before applying any tiles, you’ll need to fix uneven walls. To do this, use a long spirit level to check for evenness. If there are any holes or low patches, fill them with plaster or filler. If there are any high spots, sand them down, making sure to wear a mask while sanding.
Once your wall is smooth and even, apply primer to improve moisture resistance. Using primer also helps the tiles stick and could prevent them from cracking or coming loose in the future.
Setting Up the Workspace
After your walls are ready for tiling, set up your workspace to make your project easy and mess-free by protecting the floor with plastic sheeting, organizing tools and materials for easy access, and setting up a dedicated area for cutting tiles
How to Tile Around the Window
Now that all your prep work is done, it’s time to start tiling. If this is your first time tiling, pay attention to detail and take your time.
Starting the Tile Installation
Begin tiling from the bottom of the wall, working upward:
- Apply adhesive to the back of each tile
- Press tiles gently onto the wall, using spacers for even separation
- Work in small sections, cleaning excess adhesive as you go
- Use a damp sponge to wipe tiles immediately after placement
Tiling the Window Reveal
Once the wall tiling reaches the window, it’s time to tile the reveal:
- Remove the wooden guide carefully
- Start with the top reveal, using a wooden T to support the tiles
- Use spacers to maintain consistent gaps
- Orient cut edges toward the less visible internal corner
- Wait for the adhesive to dry before tiling the bottom reveal
Grouting and Finishing Touches
Once the tiles are in place, it’s time to start grouting. These are the final steps, so be sure to take your time and make them count.
Applying Grout
Grouting fills the gaps between tiles and provides a finished appearance. Before you start, make sure you have the right type of grout and all your necessary materials.
When grouting, use a grouting bag and fill all gaps, including external corners and top edges. Work in small sections, cleaning excess grout as you go. However, be sure to let the grout set before sponging.
Final Cleanup and Inspection
After you’re done grouting, clean and inspect your work. Start by removing grout haze from tile surfaces and checking for any uneven tiles or gaps in your work. If you have any uneven edges or rough cuts, sand down the tile corners if necessary (for natural stone tiles).
Once your work is done, clean your tools and workspace to finish up. Now you can take it easy and enjoy your new tiling job.
Troubleshooting Common Issues
Even with careful planning, no DIY project is without its challenges. Be sure to fix the following issues while you’re working so you don’t end up with a poor tiling job:
Dealing with Uneven Surfaces
If the wall or window reveal isn’t perfectly flat, use a self-leveling compound to even out the surface. Consider using a tile leveling system for a smoother finish.
Addressing Tile Cutting Errors
If you’re new to cutting tiles, you’re bound to have some less-than-perfect cuts. To prevent this, practice cutting on spare tiles before working on visible areas. Also, be sure to use a tile file to smooth out rough edges.
If you end up with some rough cuts that aren’t fixable, consider repositioning tiles to hide these mistakes in less noticeable areas.
Managing Grout Discoloration
Grout discoloration can happen to the best of them, but it’s not impossible to avoid. To prevent any grout discoloration issues, make sure you mix and apply your grout correctly. Then, clean the tiles immediately after grouting to reduce any haze on the tiles. If you still get discoloration, use a grout cleaner or pen to clear it up.
Handling Tile Adhesion Problems
If your tiles aren’t sticking to the wall, make sure the surface is free of dust and debris. Then, double-check that you’re using the proper adhesive for the tile material. Be sure to apply consistent pressure when setting the tiles for best results.
Final Thoughts About Tiling Around a Window Without Trim
Tiling jobs may seem daunting at first, but once you get the hang of it, it’s possible to get amazing results, even with minimal DIY experience. Remember to take your time and pay close attention to the steps above.
Throughout the process, take a second to stand back every now and then and ensure that your lines are straight, that your tiling looks good, and that you clean the muck off your tiles as soon as you notice it. If you do, you can expect a beautiful new tiling job that will transform your room.






