
Fiberglass Bathtub Hole Repair: A DIY Guide
- Clean the Area to Be Repaired. Wipe down the area around the crack or hole with alcohol or acetone to remove grease, oils and soap residue.
- Apply Painters' Tape. Isolate the area to be repaired by laying a double row of painters' tape around it. ...
- Drill Stop-Drill Holes and Reinforce the Fiberglass. If you're doing a crack repair, drill a 1/4-inch hole on either end of the crack with a drill and a ...
- Mix Epoxy With Hardener. Read and follow the mixing directions for the epoxy you're using. ...
- Apply the Filler. Spread the filler evenly inside the taped-off area, making sure it fills the hole and that it overfills the area so you have something to ...
- Retape the Area and Start Sanding. Apply a double row of fresh painters' tape to protect the surface of the tub from sanding and then sand the repair ...
- Apply a Spray Finish (Optional) If the color of the repair compound is significantly different from that of the tub, you may want to cover the repair with ...
- Apply Polishing Compound. If you don't paint, apply polishing compound to the repair and buff it with a soft cloth until the sheen matches the rest of the ...
- Section 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.
How do you repair a hole in a fiberglass tub?
- Polyester resin
- Hardener (catalyst to harden the resin)
- Fiberglass mesh or mat (for large or structural repairs)
- Colorants
- Sandpaper in assorted grits, from 80 grit (coarse) to 400 or 440 grit (very fine)
- Thickener (to stiffen the resin for vertical applications)
- Protective gloves resistant to the chemicals included in the kit
How to clean stubborn stains from a fiberglass bathtub?
What Will Clean a Fiberglass Bathtub With Set-in Hard Water Stains?
- Baking Soda Paste. Baking soda acts as a natural abrasive that will not harm the surface of the fiberglass. ...
- White Distilled Vinegar. Vinegar breaks down mineral deposits so that you can wipe them away easily. ...
- Commercial Cleaners. Purchase commercial products to remove hard water stains and to keep your fiberglass bathtub clean. ...
- Tips and Warnings. ...
What is the best way to clean a fiberglass tub?
To clean a fiberglass tub, start by mixing 1 quart of warm water with a 1/2 cup of liquid dishwashing or laundry detergent. Then, rinse your tub with water so that the surface of the tub is wet. Next, scrub the tub with the cleaning solution using a sponge, scrubbing in a circular motion.
How to clean and restore shine to a fiberglass tub?
- Mix dishwasher detergent and water into the bathtub or bucket. For tough stains, scrub the area with cream cleanser solutions to dissolve the stains.
- Use a cloth to scrub the tub and finish removing the stains.
- Rinse multiple times and wipe completely to prevent streaks.

Can a hole in a fiberglass tub be repaired?
The most obvious way to repair a crack or hole in fiberglass is to use a fiberglass bathtub repair kit, which you can find at any home improvement outlet. A typical kit includes two-part epoxy filler in your chosen color, application sticks, cleaning swabs, fine-grit sandpaper and polishing compound.
How do you seal a hole in a fiberglass tub?
1:137:32How to Fill a Hole in a Fiberglass Tub - YouTubeYouTubeStart of suggested clipEnd of suggested clipAfter we use after we sanded down some of the sandpaper. It's really high grit so 400. And 600 gritMoreAfter we use after we sanded down some of the sandpaper. It's really high grit so 400. And 600 grit and so that won't like pulp get it to where we can actually polish. It. If this hole was bigger like
Can you repair a hole in a 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.
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 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.
How do you fix a hole in a plastic tub?
When plastic is punctured, it seems tricky to fix at first. Luckily, there are ways to fix and patch plastic without completely replacing it. A makeshift cement from super glue and baking soda can fill small holes in a pinch. Larger holes in plastic can be filled with melted plastic or epoxy.
How do you plug holes in fiberglass?
When you are trying to repair a small hole in fiberglass, the best type of product to use is a premium epoxy. This will insure a proper repair and will not allow for shrinking of the material and create a water tight seal. We recommend the Hawk Epoxy Kit. It contains the epoxy resin, catalyst and filler for the job.
How do you repair a hole in a fiberglass shower?
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.
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.
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 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 I know what kind of bathtub I have?
If you can push in on the side of the tub and there's some give, then it's fiberglass or acrylic. Cracks and scratches are common for both fiberglass and acrylic tubs, whereas chips will usually indicate some kind of metal tub.
How do you fill a hole in a fiberglass shower?
0:034:02How to Fill a Hole in a Fiberglass Bathtub - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou always want to make sure the area is stuffed that you're going to either spray. Or put patchMoreYou always want to make sure the area is stuffed that you're going to either spray. Or put patch material on so i'm going to use bondo glass. And the high performance smoothening putty.
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 hole in a fiberglass shower wall?
But one fast and cost-effective fix is to fill the crack or hole using a fiberglass/acrylic repair kit. These materials include epoxy-like materials similar to the compounds used as filler in automobile body repairs. You can even use an automotive body filler to make repairs on tubs and showers, sinks, or toilets.
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...
Why is there a crack in my fiberglass tub?
A large crack on the bottom of a fiberglass tub that developed because the tub isn't properly supported will probably continue to spread even after you repair it, but there is a way to provide extra support to forestall this. However, even a hairline crack can allow water to seep, and if this situation persists, a proper repair requires removing the tub and fixing the subfloor. If you purchased or moved into a house with a fiberglass bathtub that has a crack or a hole and you don't have any way of knowing how long the damage has been there, the tub should be replaced.
How long does a fiberglass bathtub last?
To be fair to this all-purpose, fiber-reinforced plastic material, it is fairly durable, and with proper support and care, a fiberglass bathtub can last as long as one made from heavier materials.
Why does my bathtub have a crack in the bottom?
A large crack on the bottom of a fiberglass tub that developed because the tub isn't properly supported will probably continue to spread even after you repair it, but there is a way to provide extra support to forestall this. However, even a hairline crack can allow water to seep, and if this situation persists, a proper repair requires removing the tub and fixing the subfloor. If you purchased or moved into a house with a fiberglass bathtub that has a crack or a hole and you don't have any way of knowing how long the damage has been there, the tub should be replaced.
How high should a fiberglass patch be above a tub?
The patch should rise about 1/16 inch above the surface of the tub. If you're using a fiberglass patch, apply the cloth to the wet epoxy following the manufacturer's directions. As soon as you're done filling and leveling, remove the tape, which will be impossible to do if you let the filler set first.
What to do if you don't paint a bathtub?
If you don't paint, apply polishing compound to the repair and buff it with a soft cloth until the sheen matches the rest of the tub. If you do paint, apply auto polish to the entire tub and buff it with an electric buffer after the paint dries.
Can you repair a fiberglass shower stall?
Just avoid using the fixture until you can get around to doing the repair, which is a fairly easy one, although it may take an entire day. Damage to the rim or sidewall of a fiberglass or acrylic bathtub or to the wall of a shower stall can be repaired at any time provided they pose no threat of leaking.
Can you spray enamel on a bathtub?
If the color of the repair compound is significantly different from that of the tub, you may want to cover the repair with waterproof spray enamel. This won't be much of an improvement, though, unless the enamel is the exact same color as the tub or you spray the entire tub. If you choose the latter approach, be sure to tape off the drain, overflow plate and any other parts of the tub you don't want to paint and don't forget to wipe down the repair with alcohol or acetone before you spray.
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.
How long do fiberglass tubs last?
Fiberglass tubs are fairly delicate. With proper care, they will typically last about 10-15 years.
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 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. ...
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 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.
