Is there a grout that doesn't get moldy?

Author: Prof. Shanelle Gaylord  |  Last update: Friday, May 1, 2026

SINGLE COMPONENT GROUT Technically, it is a urethane or an acrylic-silicone resin grout. It shares many of the benefits of epoxy grout: it has excellent color consistency, doesn't need to be sealed, resistant to breakage and chemicals, resists mold and mildew, is stain resistant, and doesn't effloresce.

Is there mould-resistant grout?

Microban® antimicrobial protection is built in to last the life of the product and protects by inhibiting the growth of bacteria, mould and mildew making it ideal for tiling in showers, bathrooms, toilet areas and kitchens. Suitable for grouting wall tiles and mosaics with joint widths up to 5mm.

How do you prevent mold in grout?

Regular cleaning with a grout cleaner can help prevent mold and mildew growth by removing dirt, grime, and moisture from the grout lines. A mold-free grout line not only improves the appearance of your tiles but also promotes a healthier living environment.

What is the best mould resistant grout?

Epoxy-based grout is best for wet areas with high humidity since it's water-resistant, meaning there's no damp environment for mold to thrive.

Does all grout go Mouldy?

Seeing mold form on your tile grout is not at all uncommon. This is because tiles are often used in wet areas, and the porous nature of much of the grout used for tiles makes it particularly susceptible to mold. Mold causes problems, both cosmetic and from a health-related standpoint.

Pro Advice: Why does Mold Grow on Tile?

What grout doesn't get moldy?

SINGLE COMPONENT GROUT

Technically, it is a urethane or an acrylic-silicone resin grout. It shares many of the benefits of epoxy grout: it has excellent color consistency, doesn't need to be sealed, resistant to breakage and chemicals, resists mold and mildew, is stain resistant, and doesn't effloresce.

How do you mold proof grout?

Grout sealer can help prevent mold growth to some extent by reducing the porosity of the grout and making it less susceptible to moisture absorption.

What kills mold on grout?

Spray the affected grout with oxygen bleach, chlorine bleach, or hydrogen peroxide, ensuring the solution saturates the stains. Let it dwell for several minutes, then scrub the area. A second application may be necessary for persistent stains.

What is the best mold resistant grout for showers?

We've already established that epoxy grout is a far better grout to use in a shower or in any other moist environment.

Is there mold resistant tile?

​Ceiling tiles that resist the growth of mold and mildew. HEALTH ZONE ceiling panels with BIOBLOCK Plus performance resist the growth of odor and stain-producing bacteria, as well as mold and mildew on the ceiling tile surface. Other Hygienic Features to Consider: Washability.

How do hotels keep shower mold free?

Method 1: Ammonia and distilled water. Many hotels use ammonia-based cleaning solutions because ammonia readily cuts through dirt and soap scum.

Why is my grout still black after cleaning?

Forever. Yes that beautiful black grout of yours, oh no! Your tile and grout dries with the detergent, dirt, and water mixture on it, leaving the most enchanting residue behind. This residue is a remnant of the detergent in the mixture.

What is the best tile for showers to prevent mold?

Porcelain is strong and stable enough to be made into much larger sizes than ceramic. Large porcelain tiles are perfect for installing on the shower wall because it means there are less grout lines to clean (reduces mildew), which some people REALLY love.

How do you keep grout mold free?

How to Prevent Mold on Grout
  1. Let the space dry. Mold thrives in moist areas, so it's no wonder your bathroom is an easy spot for it to appear. ...
  2. Seal your grout. Your tile is a non-porous surface that is hard for mold to cling to. ...
  3. Clean regularly.

What is the most durable grout?

Epoxy Grout

Mixing also starts the grout setting up, so it has to be applied quickly in small batches. Epoxy grouts meet or exceed industry standard, ANSI A118. 3. Epoxy grout is considered the most durable and robust of all the grouts and has superior stain and chemical resistance.

What can I spray on grout to prevent mold?

Use a 1 or 2L spray bottle, fill it up with water, add half a teaspoon to a full teaspoon of Oil of Cloves and spray the wet areas after your regular cleaning. This will kill all spores and prevent mould from ever getting a grip on your grouts.

What is better than grout?

Epoxy Grout is a far superior grout than traditional grout and can be used in the same ways as traditional grout products.

Why does my shower grout keep getting mold?

Grout can absorb water, creating a breeding ground for mold when paired with excess moisture. Virtually every shower forms soap scum, an organic matter that mold thrives on.

What is the best mould resistant tile grout?

Tilemaster Grout 3000 has a very low water permeability and the mould resistant technology makes it ideal for areas subject to prolonged or permanent wet conditions such as wet rooms and swimming pools. And can be used internally and externally and it is unaffected by frost after setting.

Is there anti mold grout?

To help prevent a new build-up of molds and mildew, we at GroutRx use products with built-in Microban® anti-microbial technology. Using Microban® grout and sealant in conjunction with each other goes a long way in preventing mold.

Does vinegar damage grout?

White vinegar is an acidic solution that can etch or corrode some tiles, particularly those made from natural stone or unglazed ceramic. The acid in white vinegar can also weaken and deteriorate certain grouts over time, particularly if the grout is already damaged or in poor condition.

How do professionals clean grout?

Steam cleaning is one of the most powerful ways to clean grout without the use of harsh chemicals. Professionals often use steam to loosen the dirt and other particles trapped in the grout without needing to scrub manually.

How do you remove mold from grout permanently?

Bleach is the most effective method for removing mold from shower grout. Method One: Make a solution of one-part bleach and four-parts water, and put it in a spray bottle. Spray the affected area and scrub with a brush after 30 minutes. Rinse with water and repeat if necessary.

What can I spray in the shower to prevent mold?

directions. In a 1/2 gallon power sprayer (see picture) pour in 1/2 cup of clorox, fill with water to the 1/2 gallon mark.

What is the best stain resistant grout for showers?

THE BEST GROUTS FOR YOUR BATHROOM
  1. Spectralock Pro Epoxy Grout - https://amzn.to/44hncil.
  2. Ardex WA Epoxy Grout - https://amzn.to/46FGjUM.
  3. Spectralock1 Premix grout - https://amzn.to/44lCq5Y.
  4. Mapei FA High Performance - https://amzn.to/3JQvuFG.
  5. Laticrete Permacolor High Performance - https://amzn.to/43nMs50.

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