
How to fix a crack in a fiberglass tub.
- 1. Clean and dry around the crack. Use your household cleaner to clean the area around the crack. Remove any dirt, mold, or other debris in and around ...
- 2. Sand the area around the crack.
- 3. Prepare and apply the adhesive.
- 4. Fill the crack with fiberglass filler.
- 5. Sand the area around the crack again.
Full Answer
How do I fix a crack in my fiberglass bathtub?
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 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.
Can a crack in a fiberglass bathtub be repaired?
You can repair a crack in a fiberglass tub yourself using a fiberglass repair kit, which can cost as little as $50. If the crack is too big in the tub surround, you may need to get a professional to fix it for you.
How to fix a crack in a fiberglass bathtub?
How to fix a crack in a fiberglass tub?
- Ensure that the area surrounding it is dry and clean. Clean the crack area using a cloth or sponge dipped in a home cleanser. ...
- Sand the crack’s surrounding region. After cleaning and drying the cracked area, sand it using fine-grit sandpaper. ...
- Apply the plaster when it has been prepared. ...
- Fiberglass filler should be used to fill the crack. ...

Can a crack in a 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 is the best way to repair a fiberglass tub?
0:003:14How to fix a Crack Hole in Bathtub - Fiberglass - YouTubeYouTubeStart of suggested clipEnd of suggested clipThey usually come with some kind of a putty a liquid hardener and fortunately with this one it comesMoreThey usually come with some kind of a putty a liquid hardener and fortunately with this one it comes with some sandpaper and mixing stick to make this a little bit easier.
How do you fix a deep crack in a fiberglass tub?
1:1313:19How to Repair a Fiberglass Crack in a Bathtub - YouTubeYouTubeStart of suggested clipEnd of suggested clipPut some tape over the area so there's a bunch of tape residue. All around the cracks that I've gotMorePut some tape over the area so there's a bunch of tape residue. All around the cracks that I've got to fix whoever fixed this before did drill some holes at the end which is the proper way to do it.
Can you fix a cracked bath tub?
You can fix many cracks, chips, and holes in porcelain, fiberglass, and acrylic showers and tubs yourself, using a simple kit, and save hundreds or thousands of dollars in remodeling costs. And that's good news, because replacing a bathtub or shower is rarely just replacing a bathtub or shower.
How do you tell if a bathtub 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.
Will a cracked fiberglass tub leak?
Fiberglass is a material that tubs are commonly made out of. After a few years of use, though, fiberglass tubs are notorious for becoming rather dull in appearance, and often times they develop stress cracks or structural cracks and holes, which can lead to water leaks.
How much does it cost to repair a fiberglass tub?
According to HomeAdvisor, the average cost to fix a fiberglass tub can run from $20 to $240. The exact price will depend largely on whether you do the job yourself or hire a professional: A DIY $20 repair can become a $200 repair if you hire someone else to take care of it.
Can you use Bondo to repair bathtub?
Bath tub repair can be simple. Bondo is a two-part putty made of polyester resin and has many uses. Bondo is mainly used on vehicles for repair but it can be used for repairing cracks in your bath tube. Bondo can be shaped into almost any shape once it has hardened and then it can by primed and painted.
How do you repair a crack in a plastic bathtub?
Cover any cracks wider than 1/4 inch with a layer of fiberglass mesh that spans each side of the crack by at least a half inch. Cut the mesh to fit with a utility knife and place it over the crack.
Why do fiberglass tubs crack?
Common Causes of Cracks Fiberglass is very flexible and easily bends under weight. Continuous pressure from weight combined with improper support can lead to cracks over time. A heavy object is the second culprit. When heavy objects are dropped in a bathtub, small divots and dents begin to form.
Can You Use Flex Seal on bathtub?
It can also make your bathtub, shower, and areas around your toilet look newer and refreshed. Using Flex Shot to caulk an RV shower. Photo courtesy of Melanie Snavely.
Can you caulk a cracked tub?
Fiberglass and acrylic tubs will require a little more work because you have to clean, sand, and fill in the crack. Cracks in porcelain tubs are an easier fix; all you need is a little caulk.
How do you repair an acrylic bathtub?
How to Fix a Crack in an Acrylic BathtubUse Insulating Foam. Halt movement and flexing to prevent the crack from reappearing once you have fixed it. ... Drill Holes to Prevent the Crack From Spreading. ... Spread Filler Over the Crack. ... Sand the Filler. ... Paint Over the Repair. ... Add Additional Coats of Paint. ... Apply a Polish and Buff.
Can you use Bondo to repair bathtub?
Bath tub repair can be simple. Bondo is a two-part putty made of polyester resin and has many uses. Bondo is mainly used on vehicles for repair but it can be used for repairing cracks in your bath tube. Bondo can be shaped into almost any shape once it has hardened and then it can by primed and painted.
How much does it cost to repair a fiberglass tub?
According to HomeAdvisor, the average cost to fix a fiberglass tub can run from $20 to $240. The exact price will depend largely on whether you do the job yourself or hire a professional: A DIY $20 repair can become a $200 repair if you hire someone else to take care of it.
How do you repair a hole in a fiberglass tub surround?
How to Patch and Filling Screw Holes in a Fiberglass Bathtub – 7 StepsSection Off Area with Painter's Tape. ... Squeeze & Mix the Epoxy. ... Fill in Screw Holes with Epoxy. ... Brush Extra Epoxy on Holes. ... Place Plastic on the Epoxy and Tap Over Them. ... Sandpaper Over the Holes. ... Peel Tape Off & Sandpaper Again.
What causes a fiberglass tub to crack?
Fiberglass tubs may crack if they’re poorly supported underneath, or if someone drops a heavy object in the tub and damages the fiberglass. They ca...
How long will a fiberglass tub last?
Fiberglass tubs are fairly delicate. With proper care, they will typically last about 10-15 years.
How do you get tough stains out of a fiberglass tub?
You need to handle stains in fiberglass tubs and showers carefully so that you don’t damage the delicate finish. Try letting the stain soak in cast...
What is the cost of replacing a fiberglass bathtub?
A fiberglass tub itself will cost from $200-$500 at most. The labor cost is the other major factor and is hard to judge, so get quotes from several...
Can you refinish a fiberglass tub?
Yes, just make sure that the finish you select is made for fiberglass tubs.
Can I repaint my bathtub?
You can paint bathtubs and tile yourself, but often the results won't look as good as a professional job (either to paint or replace the tile entir...
How to repair cracks in fiberglass?
Put the cloth over the crack before the epoxy mixture dries up. Press it firmly into the epoxy mixture then run a putty knife over it to remove any air bubbles under the cloth.
What is fiberglass tub repair kit?
A fiberglass tub repair kit has the tools and chemicals you need to fix a cracked or damaged fiberglass surface. You can use it on bathtubs and other fiberglass surfaces to fix the damaged areas.
Why does my fiberglass tub have a hairline crack?
Hairline, spider and stress cracks develop on fiberglass tubs due to frequent use, insufficient support, use of harsh cleaners, dropping the tub and hitting it with heavy objects. If not fixed on time, these small cracks develop into larger cracks which lead to leaks and eventually the bathtub breaks apart. Luckily, you can fix hairline cracks on fiberglass tubs quite easily.
How to fix cracks in a wall?
Apply the epoxy mixture to the crack and the surrounding area using a brush. The epoxy mixture should cover at least 2 inches away from the crack as well for the best results.
What is a surface repair kit?
The surface repair kit has a polymer-based paint or tape for sealing the outer surfaces of cracks on fiberglass bathtubs.
Why does my bathtub crack?
Fiberglass bathtubs can develop cracks when placed on uneven ground since the weight of the user won’t be distributed evenly.
How much does a plumber charge to repair a fiberglass tub?
Plumbers often charge from $80 per repair which costlier than the price of fiberglass repair kits (about $50). However, plumbers know how to patch a fiberglass tub better given their skills and experience.
Why does my fiberglass tub crack?
Fiberglass tubs may crack if they’re poorly supported underneath, or if someone drops a heavy object in the tub and damages the fiberglass. They can also crack if the fiberglass is worn down by harsh, abrasive cleaners, such as bleach.
What to use for cracks in fiberglass?
Large cracks or holes will require using fiberglass reinforcing mesh or cloth, which will usually come with the kit you purchase. This may make the repair a little more difficult, and you may even want to seek help from someone who has experience using it.
How to make a resin light fixture white?
Add the colorant from the correct tube that came with the kit. An example would be for almond, mix 5 parts white with 1 part brown, to 20 parts of resin. For basic white, use the white colorant added until the resin is thoroughly opaque. Mix these components thoroughly, and check the color against the fixture you are repairing before adding the hardener.
How long do fiberglass tubs last?
Fiberglass tubs are fairly delicate. With proper care, they will typically last about 10-15 years.
How wide is a crack in a resin?
If it does not, skip to the step describing mixing and tinting instructions. If the crack is over one fourth of an inch (1/2 cm) wide , or is actually an open hole that the resin mixture will not fill alone, cut a piece of fiberglass mesh or cloth slightly larger than the hole.
How to repair a glass window?
Clean the area to be repaired. Cut any jagged or protruding glass fibers around the damaged area, sand it lightly with a medium grit sandpaper to remove wax, oil, soap scum, or other surface contaminants, and rinse with acetone or another solvent to assure proper adhesion of the repair product. ...
How to repair a patch on a wall?
Begin with a fairly coarse grit of sandpaper, depending on how much of the patch has to be removed to make it flush with the original surface. Work your way from a coarse or medium grit to a fine, then very fine grit sandpaper, until the repair is smooth.
How much does it cost to repair a fiberglass tub?
Repairing hairline cracks in a fiberglass tub can cost you anywhere between $20 and $250, depending on how extensive the damage is and whether you decide to repair the tub yourself or hire a professional for the job.
Why does my tub have cracks?
Pair sunlight exposure with a lack of support, heavy use, harsh cleaners, or constantly dropping objects, and your tub may develop hairline cracks in the blink of an eye.
How to sand cracks in epoxy?
Use 80-grit sandpaper to sand the area above the crack. The purpose is to create a concave area to fill with epoxy or resin mixture. A rotary tool can help speed up the process, but you can also sand by hand if you don’t have and don’t want to buy or rent the tool.
What is fiberglass repair kit?
Commercial fiberglass repair kits consist of epoxy or resin mix and a hardening agent. The two must be mixed together right before applying them. The hardening agent hardens fast, so you’ll have to be quick at applying the mixture to all damaged areas.
Which tub type has the most support?
Of all tub types, acrylic and fiberglass are the ones that need the most support. Due to the flexible nature of the material, a lack of support will cause the material to bend. The way it absorbs the shocks is also different when support is lacking, leading to cracking.
What happens if you don't protect fiberglass?
Without the protective finish, the fiberglass degrades and becomes brittle. The first thing to notice is a change in texture and the discoloration of the affected area. In time, you can safely assume that the surface will crack.
Can you fix hairline cracks in fiberglass tub?
Fixing hairline cracks in a fiberglass tub is child’s play if you have the right tools and materials, but they often indicate an underlying problem. If you don’t fix that, rest assured those cracks will reemerge.
How to repair cracked fiberglass?
To fix fiberglass that has cracked, you must first assess the extent of the damage and then prepare the surface. By removing all of the damaged material and exposing solid fiberglass you will be able to effectively add epoxy resin and sheets of additional fiberglass to repair the area. Steps.
How to clean fiberglass sanding?
After the surface is sanded down, you need to get everything off the surface so that the epoxy and fiberglass patch will stick. Use a rag or paper towel soaked in acetone to wipe down the entire area, including all of the internal edges of the fiberglass that you opened up.
How to smooth epoxy?
Consult the curing directions on the epoxy packaging. Once the designated amount of time has passed, start smoothing out the patch area. Start with 80 grit sandpaper to get large areas of excess epoxy off. Then switch to 240 grit sandpaper to smooth out the surface.
How to fill a hole in epoxy resin?
Mix epoxy resin, hardener, and filler together. In order to fill a small hole, you need a mixture of these three components. Consult the instructions that came with your epoxy resin to determine how much of each material you need. It is very important to get your proportions right, so follow the directions closely.
How to keep fiberglass dust out of your eyes?
Put on personal protective equipment. This includes gloves, eye protection, and a dust mask or respirator. It is most important to keep fiberglass dust out of your lungs and eyes. You also want to keep it off of your skin if possible, as it can cause irritation.
What is fiberglass used for?
Fiberglass is a strong and versatile material that can be used to make a variety of things, including bumpers, showers, and boats. While it is a useful and lightweight material, it can be damaged relatively easily.
What to do if you spill epoxy?
If you overfill the hole or spill some epoxy outside of the hole, wipe it up with a rag right away. Then smooth out the surface.
