The Best Grout for Showers

Updated by Lynda Stevens

If you’re thinking of doing a bathroom remodel yourself, you’ve got to have your tiling game down. It’s not just about prepping the space and setting the tiles. You got to finish well! And that’s why grouting is so important.

I’ve done a few repairs in my bathroom and was planning to retile the shower too. I asked some contractors I know about the products that they use and I’ve done my own research too. Therefore, it isn’t a chore sharing with you what I know.

I rounded up seven of the most popular shower grouts to help you make a decision.

My Top Choice: The Perma Waterproof Grout because it’s easy to use. I don’t have to do some measuring and mixing. I can also add pigment to achieve the color that will match my shower theme.

The Best Grout for Showers Are…

ProductDetails
1.Perma Tile Grout Waterproof Tile Grout

  • No need to buy extra sealants
  • Mix pigment to match the color with the shower theme
  • Fine consistency
  • Long-lasting and durable
  • Waterproof and professional quality
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2.Laticrete Spectralock Pro Premium

  • High-performance in durability, color uniformity, and stain resistance
  • Suitable for re-grouting
  • Ideal for glass tile, ceramic tile, stone applications
  • Mold and mildew resistant
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3.Custom PMG381QT 1-Quart Simple Premium Grout

  • Pre-mixed grout
  • Excellent consistency
  • Suitable for touch-ups
  • Comes in various colors
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4.Red Devil 0425 Pre-Mixed Tile Grout Repair Squeeze Tube

  • Ready to use
  • Suitable for repairing small portions
  • Mildew and water-resistant
  • VOC compliant
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5.Elmer’s E873 Grout

  • Mildew and water-resistant
  • Non-toxic and non-flammable
  • Shrink and cracking resistant
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6.Polyblend Cement-Based Grout

  • Available in different colors
  • Traditional cement-based grout
  • Conventional and classy finish
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7.Red Devil Tile Grout EZ Squeeze

  • Water-resistant
  • For repair of cracked, loose, or damaged grout
  • Easy wind-up tube
  • Adheres to wood, masonry, and wallboard
  • For mosaic and ceramic tiles
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1. Perma Tile Grout Waterproof Tile Grout — Best Grout for Shower Walls and Floors

If you have standard shower tile joints, you may try this unsanded grout. An area of more than 40 square feet will most probably need two tubs, but for a small shower, the 5lb tub will suffice. What I like about this grout is that I don’t have to mix, measure, or add any waterproof sealant. Also, since this is a cement-based grout, I can have it any color I want. I only have to add pigment because the original product is in white.

Specs

  • No need to buy extra sealants
  • Mix pigment to match the color with the shower theme
  • Fine consistency
  • Long-lasting and durable
  • Waterproof and professional quality

Pros

  • Easy to mix
  • Fast drying
  • Easy to clean
  • Easy to apply using a grout float

Cons

  • No full instructions in the packaging
  • Expensive
  • Available in 5lb tub only

If you’re a do-it-yourselfer and searching for the right grout for your shower, you may opt for the Perma Tile Grout. You don’t need a professional to do it for you because you can easily do it. It dries fast and is waterproof, so you don’t have to change it after some time because it’s durable and long-lasting. It’s the best grout for shower floors.

However, it’s more costly than the other types of shower grout.

Overall Rating: 4.4

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2. Laticrete Spectralock Pro Premium

I asked for a recommendation from a professional contractor, and he said that the Spectralock Pro is popular among the other contractors that he knows. I took his word and bought it because I was remodeling my shower.

The Parts A&B tub was enough for the area, but I found it frustrating that I had to buy Part C, which was a necessary additive, separately. I like that the full package (Parts A and B) contained everything I needed to finish the job. It even had a detailed manual of instructions.

I also like that it has various colors, although Part C establishes the shade. I’ve tried some cement-based grout before, and I discovered that the Laticrete Spectralock was better in terms of stain and mildew resistance.

However, a significant flaw is that it cured quickly, so I also had to work fast. The mixture sets within 45 minutes, so if you’re a slow worker, you’re screwed. Moreover, the product is expensive, and you have to do a lot of cleaning and prepping before you apply it.

Specs

  • High-performance in durability, color uniformity, and stain resistance
  • Suitable for re-grouting
  • Ideal for glass tile, ceramic tile, stone applications
  • Mold and mildew resistant

Pros

  • Easy to install
  • Durable
  • Easy to clean

Cons

  • Fast setting
  • May need Part C for better performance
  • May need more of the product to finish an area

The Laticrete Spectralock Pro is a viable option if you want your grout to match the color of your tiles. It is mold and mildew resistance, so it’s perfect for your bathroom. However, remember to purchase Part C because it’s a required additive. We surely don’t want you to make an additional trip to the store because you forgot to buy Part C.

Overall Rating: 4.3

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3. Custom PMG381QT 1-Quart Simple Premium Grout

The Custom Simple Premium Grout is ready to use. It’s resistant to cracking, shrinking, and stain. I like its mess-free application and versatility. I can use it to lay granite, marble, quarry, mosaic, stone, and porcelain tiles on my shower floor and walls. I discovered that I could apply it over an existing group effectively for the finished look that I want.

A one-quart package is sufficient for a 34 square feet shower area. However, I don’t like that it can stain the porous stone, so if you have this type of tiles, you’re better off using another product. Also, be careful about using it on soft surfaces because they may scratch them. However, if you don’t want to pay a professional, you can use this grout because it doesn’t require any specialized skills to use it.

Specs

  • Pre-mixed grout
  • Excellent consistency
  • Suitable for touch-ups
  • Comes in various colors

Pros

  • Easy to Use
  • Easy to Clean
  • Excellent Adhesion
  • Value for Money

Cons

  • Packaging not secure
  • Can cause stain on porous stone tile

If you’re searching for a no-fuzz grout, you may try the Custom Simple Grout. One quart is enough if you have a shower area of less than 34 square feet. However, if you have a porous stone tile, you can skip this product because it will only stain it.

Overall Rating: 4.1

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4. Red Devil 0425 Pre-Mixed Tile Grout Repair Squeeze Tube

Red Devil is a leading brand of grout around the world. An excellent company has been in existence since 1872. The premixed grout repair in the squeeze tube makes it easy to apply without any wastage. Also, it’s water and mold resistant and has excellent consistency. It is suitable for mosaic and ceramic tiles but also works with wood, masonry, and wallboard.

I like its easy cleanup feature because I only need water to remove the excess grout. Its quick-drying characteristic, however, is its significant disadvantage. If you’re inexperienced in applying grout, you may find it frustrating because it dries quickly. You have to act fast to avoid wasting the product.

Specs

  • Ready to use
  • Suitable for repairing small portions
  • Mildew and water-resistant
  • VOC compliant

Pros

  • Easy to apply
  • Easy to clean
  • Excellent adhesion
  • Value for Money

Cons

  • Fast-drying, so you need to act quickly

If you’re after quality at an affordable price, you can use the Red Devil Tile Grout Repair Squeeze Tube. You don’t need any professional help because you can apply it easily, even in small spaces.

Moreover, it’s mold and mildew resistant because it’s waterproof. You don’t have to worry about algae growth and watermarks. Some grouts need time to set, but the Red Devil Grout Repair dries quickly.

Overall Rating: 4.1

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5. Elmer’s E873 Grout

The Elmer’s E873 is available in a 6oz tube and is suitable for shower repairs. You may use your finger to apply it if you don’t like its tube applicator. What I like about the product is that I only need a damp cloth for cleanup. However, it requires 12 hours for it to dry completely.

The non-sanded finish improves the overall look of the shower area. A turnoff for me is that it’s only available in white. The limited color options will cause mismatching if you don’t want to redo the whole surface in a single color. Because of its small package, you may need more than one tube. Removing 1/16” of the old grout is enough for Elmer’s E873 to adhere to the shower surface.

Specs

  • Mildew and water-resistant
  • Non-toxic and non-flammable
  • Shrink and cracking resistant

Pros

  • Easy and convenient to use
  • Inexpensive
  • Non-sanded, but has a clean finished look

Cons

  • Available only in white
  • Difficult to squeeze tube

Elmer’s products have been around for at least 65 years, and they’re changing the world of adhesive solutions. For example, its tile grout protects the shower area against the growth of mold and mildew. It is durable, so water can’t penetrate the crack to weaken the contacts. Abrasive cleaning products can’t damage it.

If you’re doing minor repairs, you don’t need a professional to do them for you. Purchase the Elmer’s E873 in a 6oz tube, and do the fix yourself. You may need more of the product if you plan to remodel your shower area. However, remember that it is only available in white, so it may not match with your bathroom motif.

Overall Rating: 3.5

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6. Polyblend Cement-Based Grout

If you have a new shower or want to remodel your old one, you don’t have to spend a lot of money on grouting. The tandem of grout and sealant is the conventional way of doing things. It is suitable for 1/8” tile gaps or less. If you’re working on your whole shower room, you need to purchase more than the 1-pound bucket of Polyblend. Some people buy the 10-pound tub, though.

I like its straightforward application. The package includes detailed instructions. You don’t even need to do any measuring because you only need to add water to the grout tub. You can choose the grout color that matches the color theme of your shower. However, it needs a sealant, which may be more expensive than the grout. Use a shower curtain to change the angle of the grout. Here are some of the popular shower curtain choice. 

Specs

  • Available in different colors
  • Traditional cement-based grout
  • Conventional and classy finish

Pros

  • Easy to use
  • The color matches the shower pattern
  • Available in a small tub for minor repairs

Cons

  • Requires waterproof sealant
  • Available in 1 and 10-pound tubs

Polyblend cement-based grout uses the traditional method of grouting. You have to buy sealant for it to be effective. However, it is only suitable for at most 1/8” tile gaps, so you have to search for another grout if your shower has wider gaps. It’s easy to use if you follow the detailed instructions on the tub. Polyblend offers colors that will match your shower pattern.

Overall Rating: 4.1

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7. Red Devil Tile Grout EZ Squeeze

First things first, the EZ Squeeze tube isn’t easy to squeeze at all. I had difficulty using the roll-up feature and had to try many times before it could get an excellent grip on the tube. However, it worked well on repairing some curling edges, loose, and cracked grouts.

I especially like its finished look where the noticeable damage or crack was. It is also water-resistant, so it protects the walls and floors from water that seeps through.

The Red Devil Tile Grout EZ Squeeze tube is of superior quality, and color doesn’t fade. It’s easy to use, and usable even in large projects. Aside from repairing cracks, it also fixes the wallpaper edges either in the bathroom or other rooms in the home. Another thing that I don’t like about this grout is its cost.

Specs

  • Water-resistant
  • For repair of cracked, loose, or damaged grout
  • Easy wind-up tube
  • Adheres to wood, masonry, and wallboard
  • For mosaic and ceramic tiles

Pros

  • Easy to use
  • Easy to clean
  • Excellent adhesion

Cons

  • Difficult to squeeze tube
  • Too viscous

My only big complaint about the Red Devil Tile Grout EZ Squeeze is that it takes a lot of effort to get the material out of its tube. Even with its roll-up feature, it’s still too challenging for me to use it. However, all the other characteristics are topnotch, so if you don’t mind exerting force in letting the grout out, by all means, use it.

Overall Rating: 3.6

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Buying Guide for Your Bathroom Grout

I already shared with you what I think is the best grout for shower. In this section, you’ll learn more things about bathroom grouts.

Sanded vs. Unsanded Grouts

If you check grouts in hardware stores, you’ll notice that some have labels that say “sanded,” while the others indicated “unsanded.” What are they? A grout is of two types: epoxy and cement.

The latter is what we traditionally know, while the former has resins and a filler powder. The second type is simpler to use, while the first one is trendier. Both types may be sanded or unsanded. You pick up one that best suits your grout.

For cement-unsanded grout, it consists of powder pigments and water set in Portland cement. However, for epoxy-unsanded grout, it is a combination of a hardener and numerous resins. For sanded grouts, the composition is similar in epoxy and cement types, but sand becomes an additional component to make it long-lasting.

If you’re using grout for your home, your most suitable choice is cement-based grouts. On the other hand, you apply the epoxy variety for floorings with immediate exposure to dirt and chemicals. You use unsanded grout if you need to fill the 1/8” or less of space between the tiles. It is more fitting for ceramic wall tiles because it can support vertical tiling.

A special tip, use a waterproof and BlueTooth speaker to get entertained in the shower. 

Sanded grouts, on the other hand, are for connections that are broader than 1/8”. They are suitable for flooring and wall tiles. You may find pinholes in the joints if you use them. For spaces that are wider than 3/8”, you need to use a highly concentrated sanded grout.

Unsanded grouts may break under high pressure, so it is advisable to use the sanded type for floor tiles. Sanded grouts may damage highly polished tiles like marble.

Sanded grouts are the optimal choice for kitchens, bathrooms, and shower pans, while the unsanded variety is for rectified tiles, and bathroom and shower walls.

Features to Look For in Your Shower Grout

Water resistance

The bathroom or shower grout sealer will get wet, and if it’s not water-resistant, mold and mildew can thrive and damage it.

Anti-Flammable

If you’re going to buy grout, you have to guarantee that it’s not combustible, so the fire won’t spread quickly.

Non-Toxic

A non-toxic grout doesn’t produce dangerous fumes and won’t affect your hands. You must check the materials because grouts nowadays have toxic chemicals. Also, use the best shower cap to protect you hair against grout which can be toxic if not taken care off properly. 

Color

You can find grouts that will match the color pattern of your shower, but you have to choose wisely to ensure that it will complement your bathroom.

Stain Resistant

Advanced technologies can now produce stain-resistant grout, so you don’t have to worry about your kids running your grout and tiles.

 

Fast Drying Time

A quick-drying grout saves you time, but you must ensure that you have an allowance to remove the extra grout before it dries.

Joint Widths

As I’ve already mentioned, if there’s less than 1/8” of joint width, you must use unsanded grouts. If you have wider widths, you have to choose the sanded ones.

Mold Resistance

If water continues to fall on the shower grout, molds and mildew may grow on the surface. If you want to keep it hygienic, you must ensure that you buy grouts that are mold and mildew resistant.

Final Thoughts

If you’re like my neighbor Richard who’s searching for the best grout for shower, you may want to try the Perma Tile Grout Waterproof by CGM. I prefer it to the others because it’s waterproof; thus, molds and mildews don’t thrive in my bathroom. One bonus tip is to have a clean shower to prevent shower grout. Here is the best product to clean shower which will prevent grout creation in the future. You can use a shower pole caddy to keep the remaining leftover grout. 

I also like that I can add pigment to achieve the color that will match my shower pattern. Its delicate consistency makes it straightforward to apply and clean. Lastly, it has a quick-drying feature, so I can use my bathroom within a few hours of waiting.

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