Can You Paint Tiles? Yes on Walls, No in the Shower

Can you paint tiles instead of ripping them off the wall? On walls, yes, and the result can be genuinely good for a few years. On floors it needs a different product entirely, and inside a shower enclosure the paint makers themselves tell you not to bother. That gap between what people assume tile paint does and what the tin actually permits is where most disappointing paint jobs start.

We get asked this in Bromley kitchens and bathrooms most weeks, usually by someone who has priced a retile and would rather spend a weekend and forty quid. Here is the honest version, taken from the manufacturers’ own published instructions rather than from a video of someone rolling emulsion onto their splashback.

The short answer, and the three places it does not apply

Tile paint is a real product with a real specification, not a bodge. Ronseal One Coat Tile Paint is sold for interior tiles in enamel, porcelain, fibreglass and ceramic, and Ronseal states no primer is needed. It is aimed squarely at the tiled splash areas around a sink, a bath or a cooker.

The same manufacturer then rules out three things in writing: floor tiles, tiled work surfaces, and anywhere inside a shower enclosure. Those exclusions are not fine print anyone can argue with. They are the difference between a coating that lasts and one that peels in sheets within a season, because a wall tile above a basin gets splashed, while a shower wall gets soaked, scrubbed and steam-cycled twice a day.

So the useful way to frame the question is not “can you paint tiles” but “which tiles”. Kitchen splashback: yes. Bathroom wall away from the shower: yes. Cloakroom: yes. Hall floor: only with a floor-specific paint. Shower cubicle: no.

What the two paints actually allow

There are two separate product categories here and people mix them up constantly. Wall tile paint and floor tile paint are not the same chemistry, and the floor version is not simply a tougher wall paint.

Comparison panel of Ronseal One Coat Tile Paint and Rust-Oleum Floor Tile Paint, showing which surfaces each is allowed on plus coverage and drying times — Where each tile paint is allowed, taken from the manufacturers’ own published instructions. | Chart by Bromley Tilers

Rust-Oleum sells a floor tile paint for ceramic and stone tiled floors, supplied as a two-part system: a small activator is stirred into the base before use, and once mixed the paint has to be used within five days. Rust-Oleum quotes coverage of up to 14 square metres per litre and states that no stripping, sanding or priming is required, only that the tiles are sound, clean and dry. It rules out vinyl flooring and quarry tiles, and it is not intended for anything that sits under water regularly.

Set the two side by side and the decision more or less makes itself.

Floors need the floor product, and the prep is not optional

The temptation with a tired kitchen or hall floor is to reach for whatever tin is nearest. Do not. A wall paint on a floor will scuff at the door threshold within weeks, then wear through in the traffic line, and once it wears through in patches there is no invisible repair. You are into stripping the lot.

Even with the correct floor product, three things decide whether it holds:

Grease. Kitchen floors carry a film of cooking grease that ordinary mopping does not shift. Degrease properly, rinse, and let it dry. Any residue is a release layer.
Sound tiles. Paint bridges a drummy or cracked tile, it does not fix it. Tap the floor first. If a tile moves, the paint over it will crack along the same line. Loose tiles want lifting and rebedding before you go anywhere near a brush.
Sealer residue. Natural stone and some quarry-type floors have been sealed, sometimes repeatedly. A silicone or wax-based sealer will repel a water-based paint. Test a square metre in a corner and try to scratch it off with a fingernail after it has cured.

Prep on walls: cleaner than you think, then leave it alone

Ronseal’s own method is unglamorous and worth following exactly. Clean the grout lines with a grout cleaner and wipe with a lint-free cloth. Clean the tiles with a bleach-based household cleaner, then rinse and wipe down. Avoid paper towels or cloths that shed fibres, because those fibres end up sealed into the finish.

Repair damaged grout first and let it dry fully. Painting over crumbling or blown grout locks the damage in and gives water a route behind the tile that you can no longer see.

Application is one coat, brushed on with the stroke finishing vertically on each tile, working the paint into the grout lines. A second coat is worth planning for if you are going from a strong colour to a pale one, or if the tiles are heavily patterned, because one coat will not always bury a dark green or a busy border.

Then the part everyone gets wrong: the paint is touch dry in about an hour but is not waterproof for 24 hours. That means no shower in the room, no boiling kettle under the splashback, and ideally a window open. Twenty-four hours of patience is the cheapest insurance in the job.

Once it has dried, the grout lines can be redefined with a grout pen, which is what makes the difference between a painted wall that reads as tile and one that reads as a flat painted panel.

What painted tiles look like two years on

Being straight about this matters more than selling anyone a job. A well-prepped painted splashback in a low-splash spot still looks respectable after two or three years. A painted bathroom wall behind a basin usually shows wear round the taps first, where hands, toothpaste and cleaning products land.

The failure mode is chipping rather than fading. A knock from a saucepan handle or a shampoo bottle takes a flake off down to the glaze, and because the glaze underneath is a different colour, the chip shows. You can touch it in, but the touch-in never quite matches once the original has aged.

The other thing to weigh: painted tiles are difficult to tile over later. Adhesive needs a sound, clean, absorbent or mechanically keyed surface, and a film of paint is none of those. If you paint now and retile in three years, the paint has to come off or the tiles do. Factor that into whether this is a stopgap or a decision.

When painting is the wrong call

Skip the paint and get the tiles off if any of these are true:

Tiles are loose, drummy or cracked across more than the odd one. The substrate is the problem, and paint does not touch the substrate.
There is black mould coming back through the grout after cleaning. That is a moisture problem behind or through the tiling, and sealing it under paint hides it rather than stopping it.
It is a shower enclosure or a wet room. The manufacturer has already answered this one.
The tiles sit on a wall you are about to move plumbing through anyway. You will be making good regardless, so paint buys you nothing.
You are selling within a year and the room is the reason buyers hesitate. Painted tiles read as painted tiles at a second viewing.

The alternatives that are not paint

If the colour is the only complaint, a regrout in a different shade changes a room more than people expect, and it does not put a coating on the tile face at all. Dark grout on white metro, or a warm grey instead of a yellowed white, resets the whole wall.

If the tiles are fine but the sealant is grim, replacing the silicone is a two-hour job that makes a bathroom look years younger. If the grout is stained rather than damaged, cleaning and sealing it is cheaper than any paint.

And if you do want a paintable route with more range than tile-specific tins, multi-surface products exist: Bedec Multi Surface Paint lists ceramic tiles among its substrates, alongside melamine, plastics and radiators, and asks for smooth glossy surfaces to be lightly abraded to give a key. That extra abrasion step is the trade-off for the wider colour choice.

Frequently asked questions

Can you paint tiles in a shower?

Not inside the enclosure. Ronseal specifically excludes shower enclosures from its tile paint, along with floor tiles and tiled worktops. The wall outside the screen, in the same bathroom, is fair game.

Do you need to sand tiles before painting?

It depends on the product. Ronseal’s tile paint and Rust-Oleum’s floor tile paint both state that no priming or sanding is needed on sound, clean, dry tiles. A general multi-surface paint such as Bedec’s asks for smooth glossy surfaces to be lightly abraded first. Read the tin, not the internet.

How long does tile paint last?

On a low-splash wall with proper preparation, expect several years before it looks tired, with chips appearing before any general wear. On a floor with the correct floor product it depends almost entirely on traffic and on whether the tiles were degreased properly. Neither is permanent in the way a retile is.

Can you paint over grout as well as the tiles?

Yes, and you are meant to: the method is to work the paint into the grout lines rather than cut around them. If you want the grout to read as a separate colour afterwards, redefine the lines with a grout pen once the paint has dried.

How much tile paint do I need?

Ronseal quotes up to 8 square metres per litre for its wall tile paint, sold in 750ml tins, and Rust-Oleum quotes up to 14 square metres per litre for its floor version in 2.5 litre tins. Both are maximum figures on smooth surfaces, so buy for the area you have plus a margin, and buy a second coat’s worth if you are covering a dark or patterned tile.

Is painting tiles cheaper than retiling?

Considerably, in materials and in labour, and that is the whole appeal. The comparison is not like for like, though: a retile fixes the substrate, the falls and the waterproofing as well as the look, and it is what a buyer or a surveyor sees. Painting changes the colour and nothing else.

If you would rather have the wall done properly, or you want a second opinion on whether your tiles are sound enough to paint, Bromley Tilers covers Bromley and the surrounding boroughs.

020 8058 5574

contact@bromleytilers.co.uk