Penny tile brings a distinctive, detailed look to bathroom walls, kitchen backsplashes, shower niches, and other interior surfaces. Because the small round tiles usually come mounted on mesh sheets, installation can move quickly—but the many grout joints make careful planning and consistent spacing especially important. A successful project starts with a flat, properly prepared wall and the right materials. This guide explains how to install penny tile on a wall, avoid common mistakes, and finish the surface for lasting performance.
What to Know Before Installing Penny Tile
Penny tile consists of small circular tiles, commonly made from ceramic, porcelain, or glass. Manufacturers typically attach the tiles to mesh-backed sheets, often around 12 inches square, although sheet size and tile spacing vary. The mesh makes it easier to cover a wall, but sheets must be aligned carefully so their edges do not create visible lines in the finished pattern.
Unlike large-format tile, penny tile has many grout joints per square foot. That creates a textured appearance, but also means grout color, joint consistency, and cleaning technique have a strong effect on the final look. A slight change in sheet alignment can interrupt the pattern, while excess grout left on small tiles can be tedious to remove.
Before buying materials, check the tile manufacturer’s instructions for the recommended mortar, grout type, joint width, and any special installation requirements. Glass penny tile may require a white mortar to preserve its color. Some products have a transparent or lightly colored surface that can reveal the setting material behind them.
Choose the Right Wall and Materials
The wall must be sound, clean, and flat enough to support the tile. Remove loose paint, wallpaper, grease, dust, and other contaminants. Repair holes and uneven areas with products suitable for the wall assembly. Do not install tile over a surface that is soft, damp, crumbling, or moving.
For a kitchen backsplash or other dry interior wall, suitable substrates may include properly prepared drywall or cementitious backer board, depending on the project and product instructions. In showers and other wet areas, a tile installation needs an approved waterproofing system behind or on the substrate. Cement board itself is not waterproof. Follow the waterproofing manufacturer’s instructions and applicable local building codes; tile and grout alone do not create a waterproof shower.
Use materials compatible with both the tile and the setting surface. A typical project may require:
- Penny tile sheets and a few extra sheets for cuts, breakage, and future repairs
- Tile mortar recommended for the tile material and wall location
- Notched trowel sized according to the tile and mortar manufacturer
- Tile spacers, a grout float, mixing bucket, and clean sponges
- Tile nippers or a wet saw with an appropriate blade for edge cuts
- Grout suitable for the joint width and intended use
- Painter’s tape, a level, measuring tools, and a straightedge
Buy grout based on the actual joint width and the grout manufacturer’s specifications. Penny tile joints are often narrow, but widths differ among products. Sanded grout can scratch some polished or delicate tile, while unsanded grout may not be suitable for wider joints. Test the grout on a spare sheet or inconspicuous area when compatibility is uncertain.
Plan the Layout Before Setting Tile
Measure the wall and mark a level reference line. Do not assume the countertop, tub, or ceiling is perfectly level; using one as the sole guide can cause the tile pattern to drift. A laser level or spirit level helps establish a reliable starting line. For a backsplash, plan the relationship between the tile, countertop, cabinets, outlets, and visible edges.
Dry-lay several sheets on a clean floor or hold them against the wall to inspect the pattern. Check how the tile’s circles and grout joints line up from sheet to sheet. Many mesh sheets have small spaces or less material at their edges, so placing them together may reveal obvious seams. Adjust the spacing between sheets until the pattern looks consistent, using the tile’s individual joints as the visual guide.
Plan cuts at corners, cabinet ends, window openings, and plumbing fixtures. Where possible, avoid narrow slivers at highly visible edges. Shifting the layout by half a tile or adjusting the starting point may produce more balanced cuts. Mark the wall lightly, and keep a few extra tiles available for difficult areas.
Prepare the Wall Surface
Turn off power to outlets in the work area and remove cover plates. Protect countertops, floors, and nearby fixtures. If the wall is painted, confirm that the paint is firmly bonded and suitable for the installation system. Glossy or poorly adhered paint may need to be removed or prepared as directed by the mortar manufacturer.
Check the wall with a straightedge. Penny tile can follow minor surface variation more readily than large tiles, but a wavy wall can still produce uneven sheets and inconsistent tile faces. Correct significant dips or ridges before beginning. Allow repairs, primers, and waterproofing products to cure as specified on their labels.
For a shower or other wet location, complete the required waterproofing and inspect the installation before covering it. Follow the system’s directions for seams, corners, fasteners, penetrations, and curing. Do not combine products from different systems unless the manufacturers confirm compatibility.
Mix and Apply the Mortar
Mix mortar according to its package instructions, using the specified water amount and mixing time. Let it slake if directed, then remix without adding extra water unless the instructions allow it. Prepare only as much mortar as can be applied within its working time. Mortar that has begun to set should not be revived by adding water.
Spread mortar over a small section of the wall with the flat side of the trowel, pressing it into the surface. Then comb the mortar with the notched side, holding the trowel at a consistent angle. Work in manageable areas so the mortar stays fresh and does not form a dry skin before the sheet is placed. If a fingertip no longer transfers mortar, remove the affected material and apply fresh mortar.
Use the trowel size recommended for the tile and mortar system. Too much mortar can squeeze up between the small circles and leave little room for grout; too little can cause incomplete coverage. If mortar pushes through the joints, reduce the amount applied or adjust the trowel angle rather than trying to solve the problem with grout later.
Set the Penny Tile Sheets
Place the first sheet along the layout line and press it into the mortar with a light, even motion. A beating block or grout float can help seat the sheet uniformly, but avoid force that bends the mesh or pushes the tiles too deeply. Check that the sheet is level and that individual tile faces sit evenly against the wall.
Set the next sheet beside it, aligning the circles and grout joints with those on the first sheet. The goal is for the sheet edges to disappear into the overall pattern. Adjust the spacing while the mortar is still workable. Use spacers where helpful, but do not let them create a gap that is wider than the regular joints within the sheet.
Step back frequently and inspect the surface from different angles. Look for visible sheet boundaries, tilted rows, lippage, and uneven gaps. Small adjustments made early are easier than removing set tile later. Clean mortar from the joints while it is fresh, taking care not to move the tiles. Let the mortar cure for the period stated by the manufacturer before grouting.
Cut Penny Tile for Edges and Obstacles
Cutting small round tiles takes patience. Tile nippers can trim ceramic or porcelain pieces for curved or irregular areas, while a wet saw with a suitable blade can make straighter cuts. The best method depends on the tile material and shape. Wear eye protection and follow tool safety instructions, particularly when cutting glass or porcelain.
For cuts around outlets, pipes, or fixtures, measure carefully and mark the tile before cutting. Where several small pieces are needed, remove individual circles from the mesh and arrange them around the obstacle. Keep cut edges as neat as possible and avoid leaving sharp or fragile points. If the exposed edge will be visible, finish it with a compatible trim profile or another detail recommended for the tile.
Try cuts on spare tiles first. Mesh-backed sheets can shift during trimming, so support the tile and avoid pulling hard on the backing. For a complex opening or brittle glass tile, a tile professional may be able to produce a cleaner, safer result.
Apply Grout and Clean the Surface
Once the mortar has cured, remove spacers and any remaining mortar from the joints. Mix grout according to its instructions and apply it with a rubber grout float, working diagonally across the penny tile so the float fills the joints without catching the small circles. Cover a manageable area at a time.
After the grout begins to firm up as directed, wipe the surface with a well-wrung, clean sponge. Use light diagonal passes and rinse the sponge frequently. Excessive water or heavy pressure can pull grout from the joints or create inconsistent color. Because penny tile has so many small pieces, several gentle cleaning passes may be more effective than one aggressive pass.
When the grout has dried enough, remove the remaining haze with a clean, dry microfiber cloth or the method recommended by the grout manufacturer. Do not use acidic cleaners on cement-based grout or natural stone unless the product directions specifically permit them. Apply grout sealer only if the grout manufacturer recommends it, and follow the stated curing period before sealing.
Common Penny Tile Installation Problems
| Problem | Likely cause | Prevention or correction |
|---|---|---|
| Visible sheet lines | Sheet edges were not blended into the pattern | Dry-lay sheets first and adjust spacing as each sheet is set |
| Mortar in grout joints | Excess mortar or an unsuitable trowel technique | Use the specified trowel and clean joints before mortar cures |
| Uneven tile faces | Wall variation or uneven pressure | Flatten the wall and press sheets uniformly without overworking them |
| Grout haze | Grout residue was not cleaned at the correct stage | Follow the grout’s cleanup timing and use clean, lightly damp sponges |
| Cracked or chipped cuts | Incorrect blade, tool pressure, or tile support | Use a compatible blade, make test cuts, and support the tile |
Care for the Finished Wall
Allow mortar and grout to cure fully before exposing the wall to water or heavy cleaning. The product labels determine the waiting period, which varies by material and conditions. In a shower, keep the installation dry for the full cure time specified by the mortar, grout, and waterproofing manufacturers.
Clean the finished tile with a nonabrasive cleaner suitable for its material. Avoid harsh chemicals and abrasive pads that can damage the tile or grout. Inspect grout and flexible sealant joints periodically, especially where the tiled wall meets a countertop, tub, or change of plane. Use an appropriate flexible sealant at movement joints rather than filling those locations with rigid grout, following the tile-system instructions.
A careful layout, flat substrate, compatible materials, and patient sheet alignment are the foundations of a successful penny tile wall. Taking time to test the pattern and manage the many small joints helps create a surface that looks intentional and is easier to maintain.