Repair Fiberglass Car Parts

By Rachel Pickett, published Sep 07, 2007
Published Content: 313  Total Views: 868,733  Favorited By: 37 CPs
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Just like sheet metal on a car, fiberglass is prone to damage but unless you have a brand new car, getting a replacement part may not be that easy. Sometimes it may be cheaper to just repair the damaged part. Fenders, bumpers, hoods, and other fiberglass body parts will eventually chip, crack, or break when exposed to elements like heat, water, debris, and grime over time. If you have a damaged fiberglass body part it may be very inexpensive to replace it if it is small, but large pieces like fenders will be expensive to replace. It takes a certain amount of skill to repair fiberglass so if you do not have a particular eye for detail, or if you're inexperienced you should hire a professional or someone to help you. Learn how to save time and cost on repairing fiberglass with these tips.

If you are a do it yourself-er, here's a list of what you should purchase at your local automotive retailer:
-Marine Quality Fiberglass Mat
-Fiberglass Resin
-Sheet Metal
-Sandpaper (rough and smooth grit, wet sanding)
-Two 3'' Natural Hair Paint Brushes
-Fiberglass Glaze
-Low Stick Masking Tape
-Fiberglass Primer
-Primer Sealer or Glaze

You should use the highest quality products you can afford to ensure the fresh fiberglass will last. Even if you decide to let a professional take over the job, you may be able to save some money by offering to supply materials at your expense and by offering to help with some of the labor. If you are inexperienced this is a great way to learn how to repair fiberglass and next time you can do it on your own. The fiberglass mat you purchase should be marine quality because it is built to weather the elements and will last much longer than any other glass mat. The strands of the mat should be white in color and the material should be clean.

Repair Fiberglass Car Parts

The strands of this fiberglass are old and yellowed. Sand until white strands begin to appear and the material is not soiled.

Credit: Carole Nickerson

Copyright: http://www.sxc.hu

Takeaways
  • You should use the highest quality products you can afford to ensure the fresh fiberglass will last.
  • Too much hardener will make the glaze crystalize and will be extremely difficult to work with.
  • Let the fiberglass dry overnight for best results.
Did You Know?
In the long run, on most large fiberglass body panels like fenders and hoods you are likely to save money on repairs by doing it yourself.
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