I have a kitchen with some white tiles that are looking a bit dull, and I wanted to give them a fresh coat of paint to spruce them up without spending a fortune replacing them. I've seen there are special paints for tiles but I'm not sure which is the best one or if I need some kind of primer first.
Beyond what they already mentioned about priming and cleaning, make sure the paint is specifically for tiles or ceramic surfaces - like polyurethane or epoxy - because those hold up to moisture and temperature changes without peeling. Bathroom paint brands usually work well for this, and even though they cost a bit more than regular acrylic, it'll last you years without issues. One coat of adhesive primer first, two coats of paint, and you're done.
The most important thing is to clean and degrease the tiles really well before painting, because if you leave any grease or dirt on them, the paint's gonna peel right off. You absolutely need an adhesive primer - like a tile primer - and then a polyurethane or epoxy paint, since those are the ones that actually hold up to moisture and kitchen use without flaking. Have you already decided what color you want, or are you just looking to freshen up the white you've got? One last thing: some people prefer to paint straight with two-component paints that combine primer and paint in one, so you save yourself a step.
Don't use regular acrylic paint or standard wall enamel, because tile is a non-porous surface and the paint will chip as soon as it's exposed to the heat and humidity in your kitchen. And don't try painting straight onto it without properly preparing the surface - that's the most common mistake.
What you need is epoxy paint specifically made for tiles or ceramics, or two-component acrylic paint designed for difficult surfaces. The primer is essential though: use an adhesive primer or multipurpose primer that grips well on glossy surfaces. The process is to clean the tiles thoroughly (use degreaser to remove grease), sand them lightly with fine-grit sandpaper to dull the shine, apply the primer in two thin coats, and then the epoxy paint in two or three coats depending on the brand. Let it dry properly between coats - usually 24 hours.
Epoxy paint is more resistant to impact and moisture than other options, so it holds up better in a kitchen. Sure, it's a bit pricier than regular paint, but it's way cheaper than replacing tiles and it'll last you years without chipping if you do it right. Make sure you pick one that's suitable for wet areas and, if possible, one with stain protection, because kitchen tiles take a beating.
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