How much does it cost to clean and seal grout?

Author: Mrs. Anahi O'Conner DVM  |  Last update: Saturday, February 28, 2026

On average, you can expect to pay $1 to $2 per square foot for labor, depending on whether you hire a local grout repair specialist for grout sealing only or both grout sealing and cleaning.

Is professional grout cleaning worth it?

Can professional tile and grout cleaning help prevent mold and mildew growth? Yes, professional tile and grout cleaning can help prevent mold and mildew growth. Mold and mildew thrive in damp and dirty environments, such as poorly maintained grout lines.

How much does a grout doctor cost?

Grout Doctor pricing is $200 to $500 on average, depending on the service package, travel costs, and region. Grout Doctor offers steam cleaning, tile repair, regrouting, recaulking, grout recoloring, and sealing.

How often should you clean and reseal grout?

In particular, you could experience water damage and mould. So the big question you are all probably asking yourselves is how often you should reseal shower grout. Many authorities recommend sealing shower grout at least once a year as a rule of thumb.

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.

Plus the Tips and Tricks to Make it 2.4X Easier!

Is it really necessary to seal grout?

Porous grouts attract water, dirt, oils, etc. While the tile industry does not require sealing, it is always recommended, especially in wet or high-traffic areas. Penetrating sealers are the most commonly used and offer high water, chemical and stain resistance.

How much does it cost to professionally clean grout?

On average, expect to pay $0.75 to $1.25 per square foot for a standard grout cleaning without a sealant or $1.50 to $2.50 for cleaning and sealing bundled together.

Is it cheaper to regrout or retile?

Do You Regrout or Retile? The average cost of tiling a shower is about $1,800–$5,000. Retiling a shower will be a few hundred dollars more once you factor in $2–$5 per square foot to remove the old tiles. Regrouting shower tiles costs significantly less, with an average price range of $700–$1,500.

How much does it cost to professionally seal grout?

The average cost to seal grout is $150 to $250 for 160 square feet of space, including materials and labor, though the price depends on the size of your tiles and the condition of your grout.

Why is Stanley Steemer so expensive?

One factor that greatly impacts the cost of a professional cleaning is the specialized equipment and products being used during the process. These tools are more advanced than your average household vacuum or floor mop—here are some ways they differ: Degree of Cleaning: Professional cleaning processes may vary (ie.

Do steam cleaners really clean grout?

She explains steam can be very effective for cleaning sealed grout, since it removes the dirt and stains that have settled between tiles over time.

How long does professional grout cleaning take?

How long does it take to get the tile and grout at my business professionally cleaned? For a 300 square-foot area, cleaning generally takes 1 to 3 hours.

Does anything really clean grout?

Here's a few DIY grout cleaners you can try: Make a spreadable paste with 3/4 cup baking soda with 1/4 cup hydrogen peroxide and 1 tablespoon of mild dish soap. Add more baking soda or peroxide if the mixture is too runny or thick.

What chemical do professionals use to clean grout?

What do professionals use to clean grout? Whether you believe it or not, most professionals use a solution of white vinegar and water with a 1:1 ratio. This solution is often more effective than dedicated Ph-neutral grout cleaners.

Is it OK to put new grout over old grout?

You can apply new grout right over the top of the old grout. To do this, all you need is a grout removal tool. Use the tool to strike out the old grout, making sure the depth is at least 2mm, which is about the thickness of two dimes stacked one on top of the other.

Do grout rakes work?

A dedicated grout rake or a Stanley blade is best for removing existing grout. Grout rakes can be both mechanical and electric. Any electric grout rake is usually 240V and has variable speeds. The Rubi Grout Remover helps to remove grout surrounding ceramic and porcelain tiles.

How often should grout be replaced?

The best time to regrout shower and bathroom tiles is when you see mold, grout color changes, or the grout is old, about 15-20 years. Showers need more frequent regrouting because they're wet. Seeing mold or mildew between tiles means it's time for new grout.

How do professionals clean bathroom grout?

Steam cleaning or a machine scrubber are also great options for cleaning your grout professionally. Either type of machine could be a good choice for this type of cleaning work. Either of these processes might allow the avoidance of chemicals altogether, as well.

How much does it cost to seal a shower?

Providing your shower or bathroom area falls under our standard service specifications, there is an average cost of only $495 to $895 to seal the shower.

Why do contractors not seal grout?

Whoever installed your floors most likely did not seal the grout because it needs time to harden and cure completely.

Can you seal grout years later?

You can seal the grout the day after you applied it or 100 years later. If it isn't dirty, seal all three sides of the shower with a tile sealer or masonry sealer. That will make the grout water-resistant, if not waterproof, and help prevent the growth of mold and dirt.

What are the disadvantages of sealing grout?

The Drawback of Using Grout Sealer

Moisture can still pass through most sealers, meaning grout isn't entirely waterproof even when sealed. Over time, grout in areas like bathrooms will naturally stain or show signs of aging, regardless of sealing.

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