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Renewing grout with grout paint: Here's how:
You think regrouting tiles without scraping is complicated? On the contrary. Our system is designed for beginners.
- Preparation / Cleaning: Use the enclosed degreaser. For the joint repair to adhere properly , the surface must be free of grease.
- Application/Coloring: Simply brush the paint onto the grout. You don't need to be precise!
- Dry & Wipe: The paint bonds with the grout. Simply wipe off the excess from the smooth tile.
Supporting a young & innovative start-up
Beautiful living doesn't have to be a luxury. We know how difficult it is to find good tradespeople these days – and how quickly renovation costs can skyrocket. But we also believe: You're capable of more than you think!
Our mission is to give you the tools to upgrade your bathroom or kitchen yourself. No construction work, no stress, and no breaking the bank. With our grout colors, we prove that simple tricks can make a huge difference. Take matters into your own hands (or pick up a brush) and transform your home into your favorite place.
red grout color
Basics & Suitability (Can I use this?)
Yes, absolutely. Our grout was specially developed for damp areas. Once it's completely dry (after approximately 24-48 hours), it's waterproof, abrasion-resistant, and resistant to shampoo and soap . You can use it without hesitation in showers, wet rooms, around sinks, or in the kitchen.
Our grout color is optimized for all cement grout lines . It also adheres to elastic silicone joints (e.g., in corner joints or at the transition to the bathtub). However, the color cannot be removed from these later. If necessary, these areas should be avoided or masked off during application.
Yes, that's one of Cala Casa's strengths. Our paints have extremely high coverage . You can easily paint black or gray grout white – or transform white grout into a modern anthracite. In rare cases (with extreme contrasts), a second coat is necessary, but usually one coat is sufficient.
Yes, our paint is durable and suitable for floor joints. Since floor joints are subject to greater mechanical stress (from walking and vacuuming), proper pre-cleaning is particularly important to ensure the paint bonds perfectly to the substrate. However, we do not recommend it for extremely high-traffic areas (e.g., commercial corridors).
Our paint is optimized for classic cementitious grout (the standard grout in 95% of all homes). Adhesion to epoxy grout can vary, so to be honest: we don't know if it will hold reliably in your case. It's best to do a small test in an inconspicuous area first.
Application & Technique (How do I do this?)
Preparation is key to a long-lasting result. Grease, soap scum, limescale, and dust must be removed so that the paint adheres.
That's why each of our DIY kits includes a special pre-cleaner .
Never simply paint over mold! The mold must first be treated and killed (e.g., with a chlorine-based cleaner or mold remover). Once the grout is clean, mold-free, and dry, Cala Casa paint seals the grout and, thanks to its mold-resistant formula , prevents new growth.
That depends on the size of your tiles (small mosaic tiles = more grout lines = more color).
As a rule of thumb:
- Measure the length of your joint area in meters (m) and order the appropriate unit from our shop. The joint width is approximately the same and can be disregarded.
Rule of thumb: It's better to order a larger quantity than to have to reorder after covering half the area.
Are you unsure? Feel free to send us the dimensions of your tiled area along with a photo of your project, and we'll help you estimate!
Bone dry: After about 1–2 hours. This is when you should start cleaning the tiles of paint if you have painted beyond the grout lines.
Walkable/Paintable: After approximately 4–6 hours.
Water resistant (showering): We recommend waiting 24 to 48 hours to allow the paint to fully cure.
Don't panic! That's the ingenious thing about our system: You simply apply the paint liberally to the grout (and of course, a little onto the tile as well). Once the paint has dried, you can easily remove the excess from the tile with water and the rough side of the included sponge.
The paint adheres to the joint because it has soaked into the porous mortar.
For tenants & rental apartments (Legal information & tips)
Am I allowed to do that as a tenant? In most cases, yes, because painting grout falls under cosmetic repairs. It's comparable to filling holes with wall plugs or painting walls: the only important thing is how you return the apartment.
Because our paint has extremely high coverage, you have complete peace of mind: Should the landlord require the original condition upon move-out, you can easily repaint the grout in a neutral tone. This way, you remain flexible and can still enjoy your dream bathroom.
Yes, we offer a special grout paint remover in our shop that was developed to dissolve the paint.
But beware: Since grout is a porous, absorbent material and every joint has a different structure, we cannot guarantee 100% that the paint can be removed completely without residue in every case.
The use of the remover is therefore at your own risk . We cannot accept any liability for restoring the exact original condition.
In our experience (we conducted 5 of our own tests, in which the paint had been in the cement joint for up to 2 years), the grout paint disappeared from the joint without any residue in all 5 cases using our remover.
If necessary, there is Plan B: repaint the joints in the previous (usually more neutral) color.
Don't worry, you always have a "Plan B". If removal doesn't work without leaving residue or is too much trouble, the easiest way is often to paint over it .
You can simply repaint the grout in a neutral, original color (e.g., white or silver-grey) using Cala Casa when you move out. This provides perfect coverage, is often faster than removing the grout, and leaves you with a clean, freshly renovated bathroom ready for handover.
Many landlords are still unfamiliar with modern grout colors. Here are 3 convincing arguments :
- Maintaining value: "I reseal the joints, which better protects them from mold and moisture."
- Cost savings: "I'll do the work. That's cheaper than milling out the joints."
- Appearance: "The bathroom looks like new afterwards."
Tip: Show him our before-and-after pictures!
Service & Sustainability
We know that colors can appear differently on screen and that imagination varies from person to person.
We currently do not offer test sets or color charts , as this is a considerable undertaking and has also led to some misuse.
A notice:
To make the color look as realistic as possible, you see the paint splatter as a real photo (brushstroke).
Tip:
To check at home whether the color matches your tiles, we recommend ordering a DIY kit with a small quantity. If you're happy with the result, simply order a larger quantity of the pure color without the kit.
Sustainability is extremely important to us. Our grout colors are water-based, solvent-free, and low-emission . They are manufactured in Germany, guaranteeing short delivery routes. And most importantly: by coloring your grout instead of tearing out your bathroom, you save tons of construction waste.
