Category : Bathtub Accessories

Best Caulk Alternatives for Bathtub Around

Discover the best alternatives to caulk for sealing around your bathtub. Learn about spray foam, sealant tape, grout, and more. Find out why caulk is not the best option and how to remove old caulk.

White wall tile with white bathtub and write on picture Best Caulk alternative around the bathtub

When we caulk around our bathtub, we hope there are no cracks or water leaks. But after we spent some time caulking, we realized that this decision was not correct.

In this blog, we will discuss an alternative to caulking around the bathtub and how you can solve a long-time problem with this solution, prevent mold, and bathtub liners are alternative of bathtub .

Let’s get started without delay, and hope you stay with us.

Best Alternatives of Caulk to Use Around the Bathtub

Bathtub Surround and Maintenance Instead of caulking your bathtub, you can use these alternatives, which have been used by professionals for years and are proven. It is also important to consider maintaining the bathtub surround to prevent water damage and mold growth.

1. Spray Foam

Spray foam usually comes in DIY kits that include duct tape and WD40. Although it is typically used for insulation, it can also replace caulk.

These polyurethane foams are 100% weather-resistant and waterproof, making them work better than caulking in wet areas of the bathtub.

Furthermore, they are much less expensive than caulking. But before using them around the bathtub, it is important to practice first to avoid spilling the foam bubbles.


  • It is anti-water
  • It can be used by itself


  • If the foam rises and falls elsewhere, it causes damage.

2. Sealant Tape

Sealant tape is an excellent alternative to caulk and is popularly available in many hardware stores under different brand names.

This tape is made from silicone and can be applied using a silicone gun. It provides a rubber tight seal that is truly watertight, making it ideal for sealing around bathtubs. Additionally, it is resistant to temperature changes.

The tape comes in different colors that you can use to match the color of your bathtub or bathroom tile. It is ideal for use on wood, ceramic tile, and stone tile floors, but not recommended for use on vinyl tile.


  • It is water resistant and resistant to temperature changes.
  • No friends are needed.
  • Available in different colours.


  • Do not use vinyl flooring.

3. Peel and Stick Trim or Cord

Sealant tape is a popular and excellent alternative to caulk, and can be found under various brand names in many hardware stores. When applied properly, it acts as a water repellent and weatherproofs against cracks in dry conditions. Another great use of sealant tape is that it is especially useful for covering any sealing done with caulking.


It sticks to walls and floors very easily.

It comes in so many colours and designs

No gun is needed for this


If you don’t want the shiny look, you will dislike it.

4. Epoxy Resin Sealer

If you’re looking for an alternative to caulking, consider using Epoxy Resin Sealer. This amazing product not only creates waterproofing but also provides a permanent bond and a smooth appearance to bathtub joints.

In addition to its use in creating a waterproof seal, Epoxy Resin Sealer can also be used to provide a high-gloss finish to countertops and floors.


  • It is water repellent
  • Applicable to all floor types
  • It is very smooth and high gloss.
  • Applies to cases other than bathtubs.


  • If you don’t want the shiny look, you will dislike it.

5. Grout

If you’re searching for an affordable alternative to caulking, grout is an excellent option. It’s made by mixing sand, cement, and gravel with water, and is commonly applied to bathroom walls. However, it’s also a great choice for sealing showers and bathtubs due to its strong water resistance and durability.


  • It becomes very short
  • Water repellent
  • Long-lasting


  • Masonry required
  • ready mix No solution

6. Mortar

This solution is not generally used by everyone, but those who have a stone bathtub, such as us, mounted on the side of the wall can use it.

Mortar is not usually water-resistant, but it can be made water-resistant by adding waterproofing agents to it.

The primary advantage of mortar is its durability, with a lifespan of 20 to 40 years.


  • It is long-lasting


  • Applies to stone bathtubs only.

Why Should You Avoid Using Caulk?

1.Caulk Lacks Humidity Resistance

The humidity inside a bathroom is always fluctuating and varies significantly with temperature. This is why caulk used to seal around the bathtub often becomes wet and starts to peel off after a while.

Caulk can also dry out and crack when not in use for a period of time, whether wet or dry. Bathrooms are a breeding ground for mold and mildew, which thrive in moist environments like bathtubs. They begin to reproduce in the corners of the shower and quickly spread across the entire area.

The main reason for using caulk is to waterproof the bathtub and walls, as this is no longer successful with age.

2.Caulk Is Temporary

As we were caulking, I realized that caulk is only a temporary fix. In today’s busy society, homeowners don’t have the time to refinish bathtub caulk every few months, and caulk also has the disadvantage of being a lightweight material.

When using caulk, we typically use waterproof silicone around the bathtub. However, we can also use latex or acrylic caulk, or a combination of these materials.

3.Caulk Lacks Resistance to Chemicals

We often forget that exposure to chemicals can cause caulk to lose its potency when we clean it.

Another common mistake is cleaning the bathtub with bathtub cleaner to remove the caulk, which can damage the caulk.

It would be more beneficial to use common household cleaners instead.

4.Caulk Is Unsightly

One issue with using caulk is that it can appear too bulky and unattractive around the bathtub. Instead, professionals highly recommend using epoxy resin.

5.Caulk Can Be Toxic

Great care must be taken when using caulk, as it contains equally toxic chemicals. It can cause irritation if it gets into the eyes or mouth, and is harmful to children and pets if they ingest it through their mouths or hands. Therefore, it is necessary to work very carefully while using it.

How to Remove Old Caulk

Completing this task is not very difficult if you follow the steps below and make use of the available tools.

Tools You Need for the Job:

  • Utility knife or blade
  • Needle-nose
  • Tweezers
  • Hair drier or heat gun
  • Toothbrush
  • Alcohol for cleaning
  • 1/3 cup bleach

Step 1: Soften the Caulk

To make your work easier, you can first identify the damaged caulk area. Alternatively, you can use a hair dryer or heat gun to soften the caulk, but be cautious.

Step 2: Strip the Caulk

As you soften it, use a utility tool to carefully pry off the strip you made. This will prevent any damage or deep scratches to your bathtub or walls.

Step 3: Clean the Surface

Once all the caulk has been removed from the bathtub and walls, wipe the walls and bathtub area thoroughly, making sure not to leave any remnants of the caulk.

Next, clean the area with a caulk remover, preferably an alcohol-based cleaner. Afterward, thoroughly clean and dry the uncaulked area with a commercial cleanser.


In conclusion, caulking around the bathtub, shower, bathroom, toilet, and bathroom accessories may seem like a good idea, but it has its drawbacks. The article discusses these drawbacks and introduces six alternatives to caulking that have been proven to be effective.

These alternatives include spray foam, sealant tape, peel and stick trim or cord, epoxy resin sealer, grout, and mortar.

Each alternative is discussed in detail, with its pros and cons outlined. Additionally, the article highlights the importance of maintaining the bathtub surround, shower, bathroom, toilet, and bathroom accessories to prevent water damage and mold growth.

Finally, the article provides a step-by-step guide on how to remove old caulk. Overall, this article provides valuable information for anyone looking for alternatives to caulking around their in bathroom showers, bathtubs, toilets, bathroom floors, and bathroom accessories, you can visit our website

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