
How to Fix a Crack in a Plastic Bathtub
- Clean the tub. It’s always important to start with a very clean and dry surface. Use a chemical cleaner or vinegar to...
- Apply a base layer of epoxy. Mix about a third of your epoxy resin to the standards on the package. In most cases,...
- Apply mesh. Cut your fiberglass mesh or bathtub repair tape to size and apply it over...
Full Answer
How do you repair a crack in a plastic tub?
Method 3 Method 3 of 4: Making Plastic Slurry with Solvent
- Use acetone to make a plastic putty to fill in cracks. Acetone is a strong solvent that can dissolve plastic down completely.
- Fill a glass container with acetone. Acetone melts plastic, so you don’t want to fill a plastic container like a cup or bucket with it.
- Submerge a few pieces of scrap plastic in the acetone. ...
How to repair a plastic bathtub that is cracked?
- Pick a good bathtub repair kit from the hardware stores. ...
- Once you know where all the cracks are located, you have to drill a hole of size 1/4th inches on each side of all the cracks you wish to repair.
- Now sand the crack gently using 120- grit sandpaper. ...
How to repair a cracked bathtub the right way?
Repair any chips or cracks in the tub with a 2-component epoxy chip repair kit. Follow the instructions to mix the two parts of the epoxy in a small tray. Use a small brush, spatula, or the bottom end of a matchstick to apply thin layers of epoxy to any chips.
How to fix a crack in your plastic bathtub?
Steps taken to repair a crack in your plastic bathtub
- Clean your bathtub thoroughly and try to ensure that there is no dirt, dust, or debris around the cracked area.
- Drill a little hole (¼ inch) on both sides of the crack to prevent it from expanding. ...
- Using the grit sandpaper, sand down the crack lightly to avoid scratching the surrounding plastic.

How do you fix a crack in a plastic bathtub?
0:044:29How to repair a cracked bathtub the right way - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo first you'll need your fiberglass resin. That's what's going to turn hard and seal it up theMoreSo first you'll need your fiberglass resin. That's what's going to turn hard and seal it up the fiberglass cloth will add strength. The hardener will turn the resin into a solid.
Can a cracked bathtub be repaired?
A bathtub chip or crack can be repaired. It is important to fix a crack or chip as it can worsen over time.
Can plastic baths be repaired?
Cracks to a plastic bath tub are drilled at the ends of the cracks to avoid the damage progressing any further through the molded plastic. Repairing cracks in a plastic bath tub require patching from the back of the surface with a flexible carbon fiber filler.
Can a cracked acrylic tub be repaired?
If your fiberglass or acrylic bathtub is cracked, you can easily repair it with a bathtub repair kit which is available from your local hardware or home improvement store, says Multitech Products. If your crack is wider than 1/4 inch, you will have to use a patch to repair the damage.
Can you patch a plastic bathtub?
Thankfully, you can patch up a small crack and keep the tub in working condition rather than spending thousands in a bathroom remodel.
How do I know if my tub is fiberglass or acrylic?
Look around the tub's edges and see if it appears thinner; this could be an indication that it is acrylic. Acrylic tubs usually come in more colors than fiberglass tubs, as fiberglass tubs are commonly white. Acrylic also feels warmer to the touch than fiberglass, and tubs made of acrylic have smoother finishes.
What is the best acrylic bath repair kit?
Best Overall: HomeTinker Tub & Shower Repair Kit Their Tub & Shower Repair Kit can be used on a wide variety of tub types, including acrylic, fiberglass, ceramic, porcelain, enameled steel or cast iron, and gel-coated.
How do you fix a hairline crack in a fiberglass tub?
How to Fix a Hairline Crack in a Fiberglass Tub in 8 Simple StepsStep 1: Clean & Dry the Area around the Hairline Crack. ... Step 2: Sand the Area That Surrounds the Crack. ... Step 3: Add the Adhesive. ... Step 4: Fill the Hairline Crack with the Filler. ... Step 5: Repeat Step Two, But Now with a Fine-Grit Sandpaper.More items...
How do you fix cracks in acrylic?
10:1813:21Repairing a crack in a acrylic fish tank or aquarium - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd just cement it on there.MoreAnd just cement it on there.
How do you fix a crack in a acrylic shower?
3:459:43How To Repair A Cracked Shower Base: Freedom Finishes ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipBasically you're going to apply a resin down over the area that's cracked you're going to layer on aMoreBasically you're going to apply a resin down over the area that's cracked you're going to layer on a sheet of fiberglass mesh netting you're going to smooth out that surface and let it cure.
How much does it cost to fix a cracked bathtub?
Fixing a cracked bathtub can cost you between $100 and $300, depending on the materials and length of the crack. Thankfully, it is possible to fix just the crack of the tub instead of having to replace the entire tub. Whether or not you should hire a professional for a job like this is a tricky decision.
Is it common for a bathtub to crack?
Cracks usually mean that more water and moisture will tract into the inside of your bathtub, causing the integrity to weaken more and more overtime, until eventually the entire bathtub cracks in half. Generally, cracking is commonplace in fiberglass bathtubs.
What happens if bathtub is cracked?
Each crack lessens the structural integrity of your tub. This means that if you leave cracks, they will slowly get bigger and bigger until one day your tub could crack right in half! Leaving cracks in your tub will also allow for water to seep in.
Can a cracked fiberglass tub be repaired?
No matter how bad a crack or an indentation may look, the process is the same as if it was a little pit. In either case, it's surprisingly simple. By using a basic epoxy kit with a few essential items, repairing a fiberglass tub takes as little as one day, with most of that time spent as the compound dries.
What causes cracks in a bathtub?
A couple of things can make a crack appear in a plastic bathtub. Bathtubs are usually durable, but when something hard is dropped with force on the surface, it can crack.
Fixing the cracks
In order to fix the crack in your bathtub, you must understand the type of crack that your bathtub has. There are two major types of cracks you should look out for; hairline cracks and stress cracks.
Plastic bathtub maintenance tips
Here are a few tips to ensure that your tub lasts long and you enjoy every minute of it:
Final thoughts
Your bathtub is very essential to your bath space and at length, your health. Now you know how to fix a crack in your plastic bathtub, you should make sure that you take proper care of it at all times. The moment you spot a crack, no matter how small, it’s best you get it mended immediately.
Simple Durable Tape Repairs Cracks in Tubs and Showers
The Quick Bathtub Repair Kit from Aberdeen Home Repair quickly repairs cracks in all types of plastic and fiberglass tubs and showers. The bathtub tape is waterproof and is specially formulated by EternaBond for tubs and showers. It stretches so the crack stays sealed. In the end it won’t look like a brand new bathtub, but it will perform like one.
Installation Instructions
Prepare surface by removing all dirt, grease, tar, oil etc. Surface must be dry and warm.
What is the best way to repair a crack in a bathtub?
On the market, there are two common repair kits-surface repair kits and internal repair kits. Surface repair kits usually come in the form of a polymer based tape or paint that will seal the crack on the outer surface of your bathtub. Internal repair kits usually are glue or paste that will fill in the cracks from the inside.
How to prevent a bathtub from cracking?
To prevent cracking and maintain longevity in your bathtub, first install your bathtub with proper support so your additional weight will not flex or strain your material. Second, avoid cleaning with abrasive cleaners such as bleach and of course, avoid dropping any heavy material in your bathtub.
Why does fiberglass bend?
Some material such as fiberglass is highly flexible, meaning it will bend if weight it placed on it. If this sort of material is installed improperly or without additional support, overtime the weight pressure will cause cracks to form.
Why does my bathtub crack?
Common causes of bathtub cracks. There are three main reasons why cracks tend to form in, bathtub materials which is lack of support or if the material is flexible, damage from heavy objects and damage from heavy cleaners. Some material such as fiberglass is highly flexible, meaning it will bend if weight it placed on it.
What are the cracks in a bathtub?
Types of bathtub cracks. Stress crack: -Stress cracks form when a heavy object is accidentally dropped in your bathtub. Generally, these types of cracks are surface level and are easy to repair-simply go to your nearest home improvement store and buy an inexpensive repair kit and you can easily patch these types of cracks yourself.
How to fill cracks in a drywall wall?
1. Halt the Crack-At the end of each crack, drill a ¼ inch hole, this is known as a ‘stop-drill’ hole. 2. Fill the Crack- Using a 2-part polyester filler, mix according to instructions and apply the filler to the crack with a clean rubber spreader until the stop-drill holes and the cracks are completely filled-allow the filler to dry ...
How much does an internal repair kit cost?
Both of these are fairly self-explanatory and inexpensive, usually running on average 30-40 dollars each, providing a cheap and easy alternative to hiring professional help.
How to join plastic pieces together?
Gather materials. Get together all the plastic pieces you want to join. You’ll also need and your adhesive, of course, tissue paper, something to protect your work area, and sandpaper (for bonding smooth surfaces). Stay safe. Work in a well-ventilated, protected area.
How to remove uncured adhesive?
If you need to clean up larger quantities of uncured adhesive, moisten it and let it cure before carefully scraping it off. You can cut away cured adhesive with a sharp blade and remove it with acetone or boiling water.
What adhesives can be used to bond plastic?
Some products are better suited for large projects, while others can bond only certain kinds of plastic. Some adhesives, such as Loctite Plastic s Bonding System, are formulated to bond difficult materials like polyethylene, polypropylene, and Teflon.
How to fix a crack in an acrylic tub?
Step 1 - Eliminate Flexing. If you have a crack in your acrylic bathtub, the first step is to stop the tub surface from flexing because excessive movement will lead to the crack reappearing or further cracks forming. To do this, check the entire surface of the tub and find the area where the surface is flexing.
What does it mean when your bathtub cracks?
A crack in your acrylic bathtub means you won't be able to take a bath or a shower without water running through the damaged area. This can end up damaging the subfloor or even causing a leak on the floor below. Follow these directions to repair your cracked acrylic bathtub.
How to fill a crack in a tin?
To fill the crack, never use an epoxy filler. Instead, use a 2-part polyester filler and mix it according to the instructions on the tin. Apply the filler to the crack with a clean rubber spreader until the crack has been completely filled, including the stop-drill holes. Allow the filler to dry completely before you proceed.
Is insulation foam toxic?
Some insulation foams are toxic to breathe in, so check the list of ingredients and wear protective clothing (face mask, gloves, safety goggles) while using them, especially if you have a history of breathing or skin condition issues. Purchase insulating foam on Amazon.

What Causes Cracks in A bathtub?
Fixing The Cracks
- In order to fix the crack in your bathtub, you must understand the type of crack that your bathtub has. There are two major types of cracks you should look out for; hairline cracks and stress cracks. Stress cracks are formed as a result of dropping heavy objects on the surface of the tub. These cracks are not so damaging and they usually occur only on the surface level. Stress crack…
Plastic Bathtub Maintenance Tips
- Here are a few tips to ensure that your tub lasts long and you enjoy every minute of it: 1. When having your new tub installed, make sure it is done correctly and with the proper supports in place. Installation is the most important thing that can determine the durability of the tub. 2. Avoid using highly abrasive cleaners to prevent eroding. You c...
Final Thoughts
- Your bathtub is very essential to your bath space and at length, your health. Now you know how to fix a crack in your plastic bathtub, you should make sure that you take proper care of it at all times. The moment you spot a crack, no matter how small, it’s best you get it mended immediately. Don’t wait for the crack to grow bigger, tend to it immediately. You could also get …