How to Paint Old Tiles Without a Major Renovation

Painting old tiles has become a popular way to refresh kitchens, bathrooms and utility rooms without the mess of demolition or weeks of building work. Done properly, it lets you change the colour, hide stains and bring an older space up to date using affordable materials - as long as you follow each step carefully and choose the right products.

How do you assess the condition of the tiles before painting?

Before you apply any tile paint, it’s essential to check the overall condition of the tiled surface and spot issues that could undermine the finish. Loose tiles, cracks, hollow-sounding areas or active damp problems must be dealt with first - including any failures in the grout.

If these structural problems are left unresolved, the paint is far more likely to peel, blister or show staining within a short time, which quickly reduces how long the refreshed look will last. In some situations, it’s worth bringing in a professional to check whether moisture is coming from pipework or from the wall behind the tiles.

Watch a video on the YouTube channel Thaís Bittencourt- Revê Interiores that goes through the essential stages for painting older ceramic wall tiles safely using epoxy paint:

How do you choose the ideal tile paint for each area?

The type of tile paint you pick has a direct impact on adhesion, moisture resistance and how easy it is to keep clean day to day. For wet zones - such as shower enclosures and walls close to a sink - water-based epoxy paints or synthetic enamel paints designed for smooth surfaces are commonly recommended.

For walls that don’t get much direct water exposure, some high-performance acrylic paints can also work, provided the manufacturer specifically allows that use. To make comparing options easier, it helps to check a few practical points before buying:

• Suitability for smooth tiles, clearly stated on the label.
• Resistance to humidity, splashes and mild household cleaners.
• Drying time and full curing time before any direct contact with water.
• Whether a dedicated primer can be used to improve adhesion.

How do you prepare the tiles and apply the paint step by step?

Surface preparation is what makes tile paint bond properly and helps prevent peeling later on. The tiles need to be clean, completely dry and free from grease, soap residue, mould or dust; in kitchens, a degreaser and an abrasive sponge are often essential.

After cleaning, a light sand with fine sandpaper is usually advised to dull the original glossy finish, improve grip and check the grout lines. With that done, you can keep the painting process straightforward by following these steps in order:

1. Protect the room: cover floors, worktops, fixtures and furniture with plastic sheeting or cardboard; apply masking tape along skirting boards, around sockets and near taps.
2. Apply the primer: use a foam roller or a short-pile roller, laying down thin, even coats and following the stated drying time.
3. First coat of paint: apply the tile paint diluted exactly as the label instructs, using a roller on larger areas and a brush for corners and grout lines.
4. Additional coats: once dry, repeat to fix any patchy coverage; on dark tiles, a third coat may be needed.
5. Final finishing: remove masking tape while the paint is still slightly damp at the edges, and touch up small areas with a fine brush if required.

How can you increase paint durability in damp areas?

A common concern is how to stop tile paint from peeling in humid places, especially inside shower enclosures and bathing areas. How long the paint lasts depends on thorough preparation, selecting the correct paint and respecting the full curing time before the wall is exposed to direct water.

To add extra protection, many professionals apply a compatible varnish or sealer over the paint, particularly where there is frequent water spray. For everyday care, it’s best to use neutral detergents, avoid very abrasive sponges, keep the bathroom well ventilated and watch for any signs of damp - because moisture coming from behind the tiles can cause bubbling even when the paintwork itself has been done well.