How to Repair a Hole in a Bathtub

Written by contributing writer
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A common problem with bathtubs is for a hole to develop. This hole can be almost anywhere in your bathtub, but it is not difficult to fix. With a few basic tools, you should be able to fix your bathtub hole quickly.

Skill level:

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Things you need

  • Putty knife
  • Automotive body filler
  • Sandpaper
  • Paint

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  1. 1

    Determine how large your hole is. If the hole is larger than 3 inches by 3 inches, it will be difficult to patch, and you should consider replacing the tub. However, if your hole is still manageable, you can begin by applying the body filler over the entire hole.

  2. 2

    Leave the body filler to cure for anywhere from six to twelve hours, depending on the size of the hole.

  3. 3

    Go back and file over the hole with sand paper to make it feel like a natural part of your bathtub. After sanding and removing all excess automotive body filler, paint the entire patch with a colour that matches your bathtub. Use a tub and tile refinishing paint or use a fibreglass paint. Your bathtub should look as good as new in as little as seven hours of your spare time.

Tips and warnings

  • You should always keep plenty of ventilation open when doing any project involving paint or other materials, including automotive body filler, that emit strong odours when applied. Try using a fan or keeping the windows open.
  • You can easily test to see whether your repair is finished by dumping a small glass of water over the entire patch. If any water seeps under your tub, your repair will require further applications of body filler.
  • Make sure to wait the estimated period before testing any application of body filler. Do not attempt to shower within the period after beginning the repair. Depending on where your repair is occurring in your tub, it may be a wise idea to shut off the local source of water to your tub.

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