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Top 10 Best Waterproofing Membrane For Shower Reviews [2021]

Nothing keeps your bathroom space in good shape like the best waterproofing membrane for the shower. Aside from the fact that this material prevents your shower walls from cracking, it also resists molding.

This membrane for showers functions more effective than other waterproof membranes on the shelves.

Besides the shower, the product is also ideal for steam rooms, saunas, and many more places.

Even with its amazing features and functions, purchasing this product requires extra effort.

You don’t just go to the market and pick up any model you come across. In fact, many of these items come in the same design.

If you have little or no idea how to purchase this waterproofing membrane, you can easily make the wrong choice.

Here is a guide with everything you need to know about buying a suitable shower membrane for your bathroom space.

This post includes the list of the best 10 waterproofing membranes for showers on the market today.

It also comes with a buying consideration section and questions often associated with this product.


Comparison Table of Best Waterproofing Membrane For Shower

JBC Concepts
Schluter Kerdi
Liquid Rubber USA

What is the best waterproofing membrane for the shower?

Without taking any side, Schluter Kerdi-Band – 5” x 98’5” is the top waterproofing membrane for showers on the shelves.

Unlimited features and functions keep this product ahead of the pack.

For instance, this product gives no room for mold build-up under the tile. Aside from its performance, this product is also affordable.

Why is Schluter Kerdi-Band – 5” x 98’5” the best waterproofing membrane for showers?

Unlike other waterproofing membranes, this model prevents water from penetrating through the shower walls.

It also maintains the design of your bathroom for an extended period. This product is a perfect item for users looking to add elegance to their shower space.

Top 10 Best Waterproofing Membrane for Shower Review

01. Schluter Kerdi-Band – 5” x 98’5” Waterproofing Membrane – Editor’s Choice


Highlighted Features

  • Ideal for a spacious bathroom
  • 5 inches wide and 5 inches long
  • Designed with an anchoring fleece
  • Flexible to fit any sauna shape
  • Durable and strong

Starting off the list for the best waterproofing membrane for shower spaces is this unique product from Schluter.

This model has so many amazing features that talk you into purchasing it.

For instance, this band is long and wide to protect your large bathroom space.

With its 5”x 98 ft. x 5”, users can easily install this membrane in bigger steam rooms.

Another exceptional feature of this model is the installation processes. Many users find the setup processes simple and fast.

This model is also great for a tile project. Not only does it prevent mold build-up under the tile, but it also protects your shower finish.

Aside from molds, this product also eliminates leaks in saunas.

Likewise, Schluter Kerdi-Band – 5” x 98’5” Waterproofing Membrane is a perfect seal for outside and inside corners on your shower walls.

Meanwhile, this model is affordable. Users don’t have to break the bank to purchase one.

Beyond any doubt, it is one of the best value waterproofing shower membranes under the sun.

“Yet, this product is with some important flaws. For instance, a buyer report that the membrane is slightly thinner than the regular shower wall protectors. His choice was to purchase a larger waterproofing membrane anyway.”

On the whole, Schluter Kerdi-Band – 5” x 98’5” Waterproofing Membrane does more than preventing your walls from cracks. In fact, it is all that your bathroom shower needs.


  • Affordable
  • Simple to install
  • Perfect for inside and outside shower walls


  • Thinner

02. Mapei Mapelastic AquaDefense – 1 Gallon Waterproofing Membrane


Highlighted Features

  • Available in a one-gallon size
  • Fast-drying feature
  • Requires brush or roller for installation
  • Flexible and versatile
  • Ideal for different surfaces

What makes this product one of the best is the capacity to dry fast. Unlike other shower membranes, this model allows you to install your tiles in an hour.

This paint is also ideal for different types of surfaces.

Whether irregular, curved or flat surfaces, users would have no challenges safeguarding their wall tiles.

However, the installation requires some extra tools. It would be best if you get a strong paintbrush as well as some membrane tapes.

Since this paint is about 1 gallon, it is enough to protect your steam room from molding.

This waterproofing membrane keeps your bathroom walls safer and elegant always.

What’s more? This model doesn’t produce an unpleasant odor like other waterproofing membranes.

Also, it is safe for all members of the household, whether young or old.

Mapei Mapelastic AquaDefense is a versatile shower protector. Aside from ceramic tiles, this waterproofing membrane also works excellently on stones.

Meanwhile, the manufacturer allows you to flood-test this paint after installation.

You can do this after 12 hours of using the membrane. Users can be sure that this product keeps your sauna design safe from cracks or molding.

However, it is essential to follow the installation instructions on this product.

For instance, you don’t have to wait for too long before you mount the tiles. Fixing your tiles, especially ceramic ones, too late can result in cracking.


  • Dries quickly
  • Simple to install
  • Produces no odor
  • Ideal for hidden spaces


  • Cracks if tiles are installed late

03. Schluter Kerdi 108 Square ft Waterproofing Membrane


Highlighted Features

  • Designed from polyesthylene material
  • 8 mil thickness
  • Has an anchoring textile fleece
  • Large roll membrane
  • Simple installation

Unlike other products, this membrane is a versatile model. Aside from tile flooring, this protector is also a great match for shower and bathroom walls.

One of the excellent features of this product is the design. The manufacturer builds this membrane from soft polysthylene material.

Without any doubt, this construction is one of the best on the shelves.

Besides being an easy-to-clean construction, the polyesthylene material will also protect your shower walls from corrosion and molding.

Moving on, Schluter Kerdi 108 Square ft Waterproofing Membrane is a large tile protector.

With its 108 square ft and 3’3” long, this membrane prevents water from escaping through the crevices of your bathroom walls.

The installation processes are also stress-free. Unlike other waterproofing membranes, users can effortlessly install tiles on this membrane.

In fact, you would have no challenges folding or bending this product.

However, its soft and pliable feature doesn’t make it less thick.

As a matter of fact, it is one of the thickest waterproofing membranes on the shelves.

With its 8 mil thickness, you can be sure that it would maintain its quality even during rugged use.

Another big draw of Schluter Kerdi 108 Square ft Waterproofing Membrane is the capacity to resist cracking.

If you are often troubled due to the various cracks in your shower space, this product is the right option.


  • Highly resistant to cracking
  • Ideal for large bathroom space
  • Very thick and durable


  • A bit costly

04. Custom BLDG Products LQWAF1-2 Redgard Waterproofing


Highlighted Features

  • Only 1 gallon is available
  • Ideal for exterior and interior substrates
  • Simple application processes
  • Ideal for cracks of about 1/8th inch
  • Leaking resistant

Aside from Schluter Kerdi, Redgard is another popular brand for the protection of bathroom spaces.

This manufacturer has produced hundreds of thousands of waterproofing shower membranes.

Custom BLDG Products LQWAF1-2 Redgard Waterproofing is one of the best models from this company.

Unlike other products, this model is much more effective. Redgard builds this membrane to resist cracking, molding, and damaging common among bathroom walls.

Another big draw about this model is the pricing. Unlike Schluter paints, products from Redgard are affordable.

Without being expensive, it delivers high-quality performances that have won the hearts of many.

Aside from molding and cracking, this product is also a great tool to stop leaking.

In many bathroom spaces, leaking is common in places like overlaying metal sheets, around screw heads, and many more.

All you need to stop this problem is Custom BLDG Products LQWAF1-2 Redgard Waterproofing Membrane.

“However, this model is with some minor flaws. The most important of these shortcomings is the size of the product. Many users find a 1-gallon membrane too small, especially when you have a spacious bathroom. As a result of this, buyers are forced to visit the market again for extra gallons.”

On the whole, Custom BLDG Products LQWAF1-2 Redgard Waterproofing Membrane is a great protector for all shower spaces.


  • Affordable
  • Perfect for all shower walls
  • Easy to apply


  • Limited gallon size

05. Schluter KERS-B Neo-Angle Corner Membrane Kit – Best Corner Waterproofing Membrane for Shower Kit


Highlighted Features

  • Includes 1 left side shower bench corner
  • Comes with 1 right side shower bench corner
  • Include 2 135 degrees inside corners
  • Simple installation processes
  • Has a very low water vapor permeance

If you are searching for a shower membrane to prevent cracking and molding in most corners of your bathroom space, look no further than this model.

One unique feature of this product is the price. Up till now, we can’t fathom how this model could be of this rate.

Without any doubt, it is one of the best value shower membranes on the shelves.

However, if you are looking to protect other bathroom areas, you would need to pay extra bucks for a shower wall membrane.

Moving on, Schluter KERS-B Neo-Angle Corner Membrane Kit is simple to install.

The first review we came across on Amazon was from a happy buyer who had it very easy to install the protector.

From the testimony, he narrated how it was simple to set up the membrane without knowing how it works.

Also, this brand offers users one right and left side shower bench corner.

Aside from safeguarding your shower walls and floors from cracking, this product also adds elegance to your shower spaces.

Many products from Schluter have a sleek and attractive design. This model isn’t an exception.

Since this product has a very low water vapor permeance, you would have no difficulties installing it in your steam rooms, bathroom, and other shower spaces.


  • Flexible and versatile
  • Affordable
  • Simple to use and effective


  • Not ideal for bathroom walls with so many corners

06. Laticrete Waterproofing Membrane Fabric – 6” x 75’ Roll – Best Fabric Waterproofing Membrane for Shower


Highlighted Features

  • Has a solid pattern
  • Available in white design
  • Designed from a durable and reinforced fabric
  • Ideal for both interior and exterior substrates
  • Highly compatible with Redgard

There are unlimited reasons this product is one of the best shower membranes.

One of these reasons including its high compatibility feature. Unlike other products, Laticrete Waterproofing Membrane Fabric works excellently with Redgard.

Users don’t have to spend extra bucks buying a Laticrete cement board for installation with this feature.

Another big draw about this model is that it is easy to use.

Even if you apply the fabrics in the corners of a cement board shower enclosure, you would have no challenges safeguarding your bathroom design and uniqueness.

Also, it is a great product to seal screw holes, seams, and shower niches.

Unlike other products, Laticrete Waterproofing Membrane Fabric is very effective.

Even if used for an extended period, it would give no room for leaks or cracks.

Laticrete designs this model to works excellently with brick, stone, or ceramic tile installation. Also, it bonds effortlessly with both exterior and interior substrates.


  • Easy to use
  • Affordable
  • Has fast curing time


  • Too thick to apply as a barrier

07. Waterproofing Membrane Sheet 36 in x 80 ft


Highlighted Features

  • Covers about 240 square feet
  • Ideal for large bathroom
  • Perfect for corners and edges protection
  • Completely waterproof all surfaces
  • Perfect for protecting the thin-set bed

This product is one of the most expensive waterproofing membranes on the shelves.

It is a great option for users who are looking for a luxury protector for their shower spaces.

It is a great investment, especially for new bathroom spaces. With this mode, you don’t have to visit the market soon.

There are many reasons we have selected Waterproofing Membrane Sheet 36 in x 80 ft. among the best.

Firstly, it has great dimensions. With about 36 inches x 80 ft., this model can protect a shower wall of about 240 square feet or more.

It is a great model for spacious steam rooms. Another amazing feature is the capacity to repel water from your flooring tiles.

This product resists water faster and effectively than many waterproofing membranes on the shelves.

Moving on, Waterproofing Membrane Sheet 36 in x 80 ft adheres better than competitors.

In fact, there is an indication that comes up when the membranes have fully adhered especially when applying over a thin-set bed.

Once the membrane becomes a bit dark, you are good to go!


  • Adheres excellently
  • Effectively repels water
  • Easy to use


  • A bit costly

08. Schluter Kerdi 129 Sq. Ft Waterproofing Membrane


Highlighted Features

  • Covers 129 sq ft
  • Ideal for medium size bathroom spaces
  • Easy to apply
  • Durable and sturdy
  • Leak and water-resistant

On the market today, Schluter Kerdi is one of the best companies for the production of high-quality bathroom protectors.

No wonder its products have dominated the list. Aside from being effective, waterproofing membranes from Schluter are also durable.

You can be sure that the bands would last for a lifetime.

Schluter Kerdi 129 Sq. Ft Waterproofing Membrane is one of the best models from this manufacturer.

One of the reasons it has been included in the list is as a result of its size.

The membrane is large enough to cover a shower wall of about 129 sq ft. If you have a medium size bathroom wall, you would definitely love to have this model.

Besides, Schluter Kerdi 129 Sq. Ft Waterproofing Membrane is simple to use.

Likewise, it delivers high-quality performances. On the other hand, the price is great!


  • Built to last long
  • Simple to install
  • Effective


  • Not perfect for spacious showers

09. Liquid Rubber Color Waterproof Sealant


Highlighted Features

  • Available in 5 gallons
  • Perfect for indoor and outdoor use
  • Eco-friendly
  • Durable and flexible
  • Perfect for metal and flat roofs

If you are searching for the paint to protect your shower walls from cracking, we got a great model for you.

Liquid Rubber is one of the top manufacturers in the industry. This product is also nothing but a fantastic model.

Unlike the previous products, Liquid Rubber Color Waterproof Sealant is available in 5 gallons.

It is a great protector for spacious bathrooms and steam rooms.

Aside from its size, this product is also flexible and versatile. Not only is it great for indoor use, but it also works effectively outdoors.

Users would have no difficulties applying the paint to the various corners and edges in the shower wall.

Besides your bathroom floors and walls, this product is also great for sheds, sloped roofs, metal roofs, flat roofs, and many more spaces.

Unlike other models, it produces no unpleasant odors. It is also safe for humans as well as pets. However, it is a bit costly of which the quality is exceptional.


  • Produces no unpleasant odor
  • Easy to apply
  • High-quality membrane


  • Washes up easily

10. Mapei Mapelastic WaterStop


Highlighted Features

  • Eco-friendly
  • Odorless and safe
  • Require a roller or brush
  • User-friendly

Rounding off our list for the top waterproofing membrane for the shower is this invaluable product from Mapei.

One exceptional feature of this model is its fast-drying quality.

Mapei Mapelastic WaterStop dries immediately after application. So, you can easily install your tiles and take up the next task.

Also, this paint is simple to apply to your shower walls. All you need is your brush or roller.

Meanwhile, ensure you water clean the roller after use.

Mapei Mapelastic WaterStop is also perfect for a variety of surfaces. The product is eco-friendly and safe for both humans and pets.

Besides, it doesn’t produce unpleasant odors like other products. It isn’t too expensive, so you don’t have to break your bank to buy one.


  • Fast curing time
  • Ideal for many surfaces
  • Perfect for hidden spaces


  • Not enough for large steam rooms

Best Waterproofing Membrane For Shower: Buying Facts

Come to think of it, purchasing the best waterproofing membrane for showers might not be that easy as you think.

We have been to the market,and we know how hard it is to get the top products.

From what we brought from this research is this buying consideration guide.

You might think this section is less important. However, it is as crucial as other parts of the post. You want to know why? 

Buying consideration guide includes the basic features and functions you need to consider even before making up your mind to buy a protector for your bathroom walls.

For instance, you need to be sure if you need a large or small membrane for your bathroom.

Users also need to be awareof the material construction of such a product.

It is easy to make healthychoices when you have these features and functions at hand. 

How about we check out the essential features and factors toconsider when buying a waterproofing shower membrane?

Shower Areas

One of the most important factors to consider is the shower areas you want to protect using the membrane.

You can end up purchasing an inappropriate protector for your shower space.

The waterproofing membrane that works perfectly in shower areas might not be ideal for steam rooms or saunas.

Likewise, the waterproofing membrane ideal for flooring tile might be less efficient for wall tiles. 

So, how do you identify the membrane ideal for your need? The solution is simple and straightforward.

It would be better if you go for protectors that are not only flexible but also versatile.

That is, the membrane must be ideal for interior, exterior, vertical and horizontal substrates.

With that, you can easily install your waterproofing membrane without challenges or fear.

In another sense, you can easily opt-in for products of which the brand indicates the most appropriate installation area.

For instance, Schluter Kerdi 108 Square ft Waterproofing Membrane is ideal for both floor and wall tiles. 


Another vital factor to consider is the installation processes.Nobody wants to buy a waterproofing membrane that would require an extended period of installation.

Aside from being tasking, such a product can also be frustrating. While there are membranes that are simple to install, there are others that require extra effort. 

For instance, it is simple to use a paint shower membrane than using the tape model.

You only need to ensure that the paint covers the essential areas of your shower space. 

Nevertheless, you might also get the installation processes wrong, especially when you neglect the instructions.

To illustrate, most manufacturers often indicates the perfect period to install the tiles after applying the waterproofing membrane.

Mounting the tiles too early or late after using the protector can result in cracking or molding.

Besides, there are waterproofing membranes for showers that require extra tools for installation.

If you are on a budget, you might love to consider cost-saving bathroom protectors. Nevertheless, these extra tools will make the mounting processes simple and quick. 

Curing Time

For all Greek users about using the waterproofing membrane, the curing time is the duration required for the membrane to dry up before applying the tiles.

The curing time varies from one product to another. That is, some waterproofing membranes dry faster than others.

For instance, Schluter Kerdi waterproofing membranes dry faster than other products on the shelves. 

If you are looking to install the tiles within a limited time, ensure you opt-in for products with quick curing time.

However, it is essential to follow the instructions given by the brand.

If your manufacturer states that you have to wait an hour before fixing the tiles, you need to do so!

On the whole, most of the products available on the list have faster curing time. 


Another exceptional factor to consider before purchasing a waterproofing membrane is the reliability of the product.

Nothing makes you feel disappointed than buying a product that lasts for a limited time.

So how identify a reliable waterproofing membrane? Firstly, you need to check for the thickness of such a model.

At least, your product must have about 6 mil thickness level. This feature allows it to withstand rugged use as well as last for an extended period.

For instance, Schluter Kerdi 108 Square ft Waterproofing Membrane has an 8 mil thickness. 

Aside from thickness, strength is another important feature to look out for.

Ensure that the membrane is strong and rugged to resist cracking or molding.

Likewise, the product needs to be flexible to resist water damage irrespective of its installation area.

On the whole, a reliable would protect your bathroom from cracking and molding for a long period.

Fortunately, every product listed in this post is designed to last for a lifetime. 


The best waterproofing shower membrane comes with the best material construction.

If you want your shower protector to last for long, then you must not neglect this factor.

One of the most common membrane material is soft polyethylene. Unlike other material construction, soft polyethylene comes with good impact strength.

Likewise, the construction stretches better than other materials on the shelves.

On the other hand, soft polyethylene is highly water-resistant.

You can be sure that this construction would protect your saunas from cracking.

Besides, it is long-lasting and strong.  In a nutshell, ensure you opt-in for superior quality material membrane.

With such a product, you don’t have to visit the market anytime soon. 


Our list of the factors to consider becomes incomplete without discussing how important this feature is.

Everyone loves to purchase a high-quality item that would work for long. However, not everyone is ready to pay the price.

On the market today, waterproofing membranes are available at an affordable and luxurious rate.

The right model for you depends on what you have in your bank. If you have a limited budget, there are a plethora of products perfect for you.

However, you might not enjoy the quality a luxury protector offers. In fact, some expensive membranes are longer and thicker in texture.

For instance, Schluter KERS-B – Neo-Angle Corner Membrane Kit is one of the most affordable protectors on the shelves. 

On the other hand, there are expensive waterproofing shower membranes.

These products are ideal for users who are ready to break the bank.

Generally, the luxury product comes with exceptional features and design.

To illustrate, manufacturers build expensive items to last for an extended period.

Likewise, these models come with great design and features.

Schluter Kerdi 108 Square ft Waterproofing Membrane is one of the luxury models on the market today. 

Best Waterproofing Membrane For Shower: Buyer’s Question

What’s the top waterproofing shower membrane? 

We recommend Schluter Kerdi-Band – 5″ X 98’5″ Waterproofing Membrane has the best.

This product has everything it takes to protect your shower walls from cracking or damages.

It is also easy to install. The curing time is great, and you would definitely love to have it.

For this product, you don’t need to break your bank. All you need to do is install the tape perfectly in your chosen location.

Then, you can easily safeguard your saunas design from molding. 

How to apply a waterproofing membrane on a shower wall?

To apply your waterproofing membrane, you need to have your extra tools available.

For instance, you need a microfiber tack cloth to clean the shower wall.

Ensure you clean other essential places with this fabric. Then, you need a brush to apply the waterproof primer coatings on the wall.

Make sure you paint the edges as well as the corners of the wall. What you need to do next is to apply your paints.

Ensure you have the paint in a clean bucket. Likewise, you would need a roller brush to apply the paint on your shower wall.

If you have a tall and large shower wall, make sure you purchase a long roller brush. Apply the paint carefully on every edge and corner of your steam rooms. 

What variety of paint does my shower need? 

Even though there are different kinds of shower paints, the manufacturer designs some models for your bathroom space.

Shower membranes like paints, oil-based enamel, and latex enamel are ideal protectors to resist moisture. 

Is it possible to waterproof my shower with the tiles intact? 

You can effortlessly apply a waterproof membrane in your shower space without removing the tiles.

All you need to do is to clean the tiled walls as well as the entire floor. Then, you extract the silicone strips on the tile.

Ensure you apply the paint in every corner through which water penetrates the wall. Make sure the paint dries up before you use the shower space.

Is waterproofing shower membrane expensive? 

Not all waterproofing shower membranes are costly. In fact, the expensive ones don’t require you to break up your bank.

Are waterproof cement boards important in the shower?  Yes, waterproof cement boards are essential tools for your shower space.

These models are a great protector of the wood studs from damages often caused by water.

Users can easily install cement boards after successfully mounting the membrane. 


The importance of waterproofing shower membrane in your bathroom space can never be underestimated.

If you have ever seen a sauna that looks beautiful for a long period, a shower protector is a secret behind the beauty.

One big draw about these products is that they eliminate costly repair of bathroom walls.

Repairing your bathroom wall can be too expensive than you think.

However, the membrane would protect your shower tiles from cracking, damaging, and molding.

There you have it! The best 10 waterproofing membrane for shower.

Irrespective of your preferred model, you can always safeguard the tiles in your steam rooms for a long.