How to Repair a Hole in Fiberglass Tub CorrectlyTo repair a hole in fiberglass tub, you need to clean the area with detergent and free from any dirt. Let the tub dry well and you can continue to the next step. Sandpaper the hollow area including the surface surrounding the hole. You can use 100grit sandpaper. To fix a small hole you can use only epoxy and for bigger or wider hole, you can add the fiberglass cloth to make it much stronger. Use wet cloth to clean away the sand residue and make it dry well. Fill the hole with the fiberglass epoxy resin. Make sure that the hole is filled completely with the resin. You can use a tool such as a small stick to reach small area of the hole. Apply the surrounding surface of the hole by the resin also. Let it dry well.
After the resin is dry completely, sandpaper it using 200 grit sand papers. This is to make smooth texture of the epoxy resin. If you want to repair a hole in fiberglass tub which is quite big, you can mix the epoxy resin and fiberglass cloth. Cut the fiberglass cloth smaller than the hole. Apply the epoxy resin halfway inside the hole and layer it with the fiberglass tub and cover it again with epoxy resin until it reaches the surface. Let it dry completely. Sandpaper it well using 200 grit sand papers.
The epoxy resin is white in color and usually you do not need to paint it again if you have white colored tub. However, if you have another color other than white, you can buy fiberglass paint to paint it. After all the process has been done, you can clean whole of your bathtub to remove the unwanted smell and the sand residue. To repair a hole in fiberglass tub is not as complicated as you think.
So, if you have a hole in your fiberglass tub, do not be worried. To repair a hole in fiberglass tub is very easy and you can find the materials and tools to fix it easily in many home stores. However, if you are unsure to repair it by yourself, you can ask a professional to help you. The cost of repairing a hole in fiberglass tub is not as high as changing the tub to a new one. Read also How to Fix Hairline Crack in Fiberglass Tub.