Will Flex Seal Fix a Cracked Bathtub: Problem Solved!

Are you someone who is facing cracked bathtub issues and not sure what exactly to use to fix it? If you answered “Yes” to the question, then worry not as we tried to outline the issues of bathtub cracks and how to flex seal might be the answer you are looking for. We also pointed out alternatives to flex seals in case you do not have a flex seal to fix a cracked bathtub.

While day-to-day work can keep us busy 24/7, a crack in the bathtub might be the last thing we want after so much household work. Hence, to help you in such dire need, we tried to answer all your questions about bathtub cracks and flex seals and if they actually can fix the cracked parts of your bathtub or not.

How does flex seal work:

In this section of the article, we tried to provide an outline of how exactly Flex Seal works to seal cracked bathtubs and how effective it will be in terms of durability and usage. Furthermore, Flex Seal might effectively seal bathtub cracks as Flex Seal seals a break in your bathtub by forming a watertight bond.

picture of a crack in a bathtub

In addition to that, Flex Seal is an excellent product for sealing a cracked bathtub, but it should only be used as a quick measure. As it attaches well to fiberglass but not so well to porcelain or ceramic tubs, it may only patch your gap for a few days. 

Furthermore, Flex Seal is temperature sensitive and is perfect between 60 and 100 degrees. As a result, the seal might be affected by temperature changes from a warm shower to an unoccupied bath on a winter evening.

Other alternatives you can use to fix cracked bathtubs:

Flex can be an amazing and effective adhesive to seal the crack in your bathtub, but there might be times when you do not have this particular adhesive on hand or you may have questions regarding whether other types of adhesive are usable for sealing bathtub cracks. While these recommendations are in general you can still use flex seals to seal your bathtub cracks.

a person fixing bathtub crack

Some commonly suggested bathtub crack-sealing adhesive materials can come in handy. Starting with;

1. Waterproof Liquid Rubber Sealant:

Waterproof liquid rubber sealant only takes a few coats to ensure that there are no leaks. The liquid rubber sealant creates a rubbery layer that waterproofs the bathtub crack, eliminating any potential leaks. It’s simple to use and, because it’s water-based, it’s also environmentally friendly. It is simple to apply

• Simply brush the rubber over the damaged region 

• It will set into a waterproof coating. 

• Simply ensure it’s applied to a spotless, dry surface while waiting until the fresh layer has dried before adding any new layers.

Flex Seal is easy to apply, which is to be expected given that it is a spray. However, the Liquid Rubber sealant is far less expensive and works just as well on the materials.

2. Leak Seal Adjustable Sealant by Rust-Oleum:

As associated with water resistance, Leak Seal, like Flex Seal, performs admirably. Regardless of the reality that it is significantly less expensive, as neither sealant is designed to withstand tremendous pressure, the result will be the same. 

3. RV Roof Coating in Liquid Rubber:

If you are someone who likes to have very effective materials for permanent assurance, look no further if you’re seeking a liquid leather sealant for your bathtub crack. This liquid rubber seal is inexpensive, effective, and dependable. It’s an excellent choice for bathtub cracks, which must be maintained because replacing them is costly.

a person applying roof coating to bathtub crack

Frequently Asked Questions:

Q. Is it possible to fix a shattered fiberglass tub?

Fiberglass is inexpensive, attractive, and long-lasting, yet it is prone to damage and pitting over time. Fortunately, repairing a damaged bathtub or shower pan is a simple DIY project that most individuals can accomplish themselves to avoid having to pay for a costly replacement.

Q. What is the cost of repairing a damaged tub?

The cost of bathtub repair varies depending on the scope of work and your location. For many sewage and small surface repairs, you may expect to spend between hundred and three hundred dollars.

Q. What causes a bathtub to crack?

There are three major reasons why cracks emerge in bathtub materials: lack of support or flexibility, damage from heavy objects, and damage from powerful cleansers. Fiberglass, for example, is a highly flexible material that will collapse if weight is applied to it.

Q. Is it possible to fix a damaged porcelain tub?

With a few readily available supplies, you can patch a fractured porcelain tub yourself. When the defect is on an always-dry surface, such as the tub’s exterior surface, a minor repair should suffice. When the fragment is in the tub’s basin, the damage may need to be repaired several times.

Q. What is the best way to repair damaged shower caulking?

You can trim away the old glue with a sharp knife or soften it with a caulk remover first. Clean the area you’ll be re-caulking. This is necessary to guarantee that any underlying mold does not influence the new caulk and that your new caulk adheres properly.

Q. Is Flex Seal a superior alternative to caulking?

After looking at a variety of adhesive products to make sure, Flex Shot Rubber Adhesive Sealant Caulk is said to be the #1 option since it bonds and seals almost anything. It’s also simple to apply because it doesn’t necessitate the use of a caulking gun.