
Fix a Cracked Tub
- The Crack. This crack was caused by stepping into the bathtub where there was an air pocket. ...
- Drilling the Tub. To gain access to the air pocket you will have to drill a hole in the tub floor. ...
- Filling the Air Pocket. Use a foam insulation. ...
- Sealing the Hole and Crack. Use an epoxy sealant to seal the hole and crack. ...
- Sand the Sealant. ...
- Refinish the Tub Floor. ...
What is the best way to repair a cracked bathtub?
Tools you will need when fixing your tub
- You definitely need a putty knife.
- A nylon-bristled paintbrush
- A fiberglass mesh
- Epoxy resin
- A patch filler
- Grit sandpaper
- A utility knife.
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 do you repair a crack in a tub?
How to Repair a Cracked Acrylic Bathtub
- 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 ...
- Halt the Crack. Now that you have stabilized the cavities of the acrylic bathtub, you will need to stop the crack from lengthening or reappearing after you’ve ...
- Fill the Crack. ...
- Sand the Filler. ...
How to repair a plastic bathtub that is cracked?
Repair A Cracked Bathtub
- Overview. To repair your cracked bathtub, you’ll need to buy a bathtub repair kit. ...
- Process. Pick up a bathtub repair kit from the hardware store or home improvement center. ...
- Tips and Suggestions. Repairing the bathtub won’t be adequate if the bathtub doesn’t have the support it needs to prevent this from happening again.

How do you fix a cracked bathtub floor?
0:402:10How to Fix a Cracked or Chipped Bathtub - Epoxy - YouTubeYouTubeStart of suggested clipEnd of suggested clipTake the application stick that's provided for you grab a dab. And fill in the crack. Make sure youMoreTake the application stick that's provided for you grab a dab. And fill in the crack. Make sure you fill in fairly evenly.
Why is my bathtub floor cracking?
Cracks can form in your bathtub when heavy items are repeatedly dropped onto it. Think large bottles of shampoo being knocked over, or your child slamming toys onto the side of your tub. Every time something heavy comes into contact with your tub, small divots and dents are created.
Can you fix a cracked bath tub?
A bathtub chip or crack can be repaired. It is important to fix a crack or chip as it can worsen over time.
How do you fix a crack in the bottom of a fiberglass tub?
Fill the crack with fiberglass filler. Apply the filler with a putty knife, then scrape the surface of the tub with the knife to remove excess putty around the crack. Allow the putty to dry completely before continuing with the repair.
Can you repair a cracked fiberglass tub?
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.
Can cracks in acrylic tubs be fixed?
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 caulk a crack in a tub?
Using 100% silicone caulk on your tub or shower enclosure will almost always solve your cracking or separation problems.
How do you fix a hairline crack in a plastic bathtub?
Follow the step-by-step instructions below.Step 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 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.
How do you fix a crack in a plastic shower floor?
You can usually fill 1/4-inch holes with epoxy paste, but to be on the safe side, it's a good idea to lay a small piece of fiberglass cloth over each hole after you've applied the paste and recoat with a little more paste. When the paste sets, apply one more coat and then sand and polish.
Will a cracked fiberglass tub leak?
Cracks in your fiberglass tub are more than an aesthetic issue. If you don't get the cracks repaired, they can spread throughout the tub, allowing water to seep through and damage the underlying materials, including your home's structure.
How do you fix a hairline crack in a porcelain tub?
If you notice that you have a hairline crack in your porcelain sink, don't worry....Here are the steps to repair a hairline crack in your porcelain sink:Thoroughly clean the sink.Sand the affected area.Prepare the epoxy.Apply the epoxy compound.Apply the repair kit pain.Re-gloss the sink (optional)
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.
Can you repair an acrylic bath?
Acrylic shower tray repair and acrylic bath repair, especially in spot, is a cost and time-saving alternative to the replacement of a damaged item. Acrylic repairs are the least disruptive method for saving the modern materials made bathroom ware and other hard surfaces.
How do you repair a fiberglass tub?
0:056:40Repairing a Fiberglass tub - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd we're gonna get started by looking at the hole. Someone has dropped something in the tub. And I'MoreAnd we're gonna get started by looking at the hole. Someone has dropped something in the tub. And I'm gonna start out by putting some masking tape around the hole leaving a little bit of area. Around
What is the foam under a bathtub called?
To combat spongy tub or shower floors from becoming a future problem, we inject a high density foam underneath the bathtub floor called a froth pak. The froth pak fills the void between the underside of your tub and the subfloor where it sits.
Is the floor of a shower soft?
Is The Floor of Your Bathtub or Shower Soft or Spongy? “Softness” or “sponginess” can be a contributing factor to cracks or holes in a bathtub or shower floor. When tubs and showers are originally installed, there is an air space between the subfloor and the bottom of the unit.
Step 1: The Crack
This crack was caused by stepping into the bathtub where there was an air pocket. You can see the crack in these images.
Step 2: Drilling the Tub
To gain access to the air pocket you will have to drill a hole in the tub floor. Use a 3/8 inch drill bit.
Step 3: Filling the Air Pocket
Use a foam insulation. I used Great Stuff for gaps greater than 1 inch. Practice applying the foam first on a piece of scrap wood to get a feel for it. Insert the application tube into the air pocket and spray the foam until it fills the entire air pocket. Some foam will expand out of the hole.
Step 4: Sealing the Hole and Crack
Use an epoxy sealant to seal the hole and crack. I used WaterWeld putty. Apply the sealant and let it cure and harden.
Step 6: Refinish the Tub Floor
Use a tub refinishing kit to conceal the off color epoxy sealant. Image coming soon!
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.