How to Repair Fiberglass on Your Camper

Written by norm rogers
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How to Repair Fiberglass on Your Camper
Fibreglass Camper

Fibreglass is a tough, durable material used in the construction of automobiles, boats and campers. A camper constructed with fibreglass can last a lifetime. However, fibreglass can be damaged. Repairing fibreglass is not difficult. It takes time, some practice and some patience.

Skill level:

Things you need

  • Epoxy or polyester resins
  • Resin hardener
  • Measuring cup
  • Mixing containers
  • Stir sticks
  • Short nap paint rollers
  • Fibreglass cloth
  • Small squeegee

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    Surface Preparation

  1. 1

    Remove any loose or broken pieces from the area to be repaired. If necessary, cut a hole completely around the damaged area. This will ensure a complete repair.

  2. 2

    Remove any wax or mould release from the area by wiping with paint remover or acetone.

  3. 3

    Use 80-grit sandpaper to "rough" the area around the repair. This ensures that the resin sticks to the area. Remove sanding dust with a dampened cloth. Allow the area to dry thoroughly.

    Complete Fiberglass Repair

  1. 1

    Cut the fibreglass cloth to a size about 3 inches larger than the area to be repaired.

  2. 2

    Roll a thin coat of the resin/hardener mixture onto the surface where the cloth will lie.

  3. 3

    Roll the resin mixture into the cloth. Begin at the centre and work toward the edges. It is fully saturated when it becomes transparent. Use a squeegee to remove any bubbles.

  4. 4

    Allow the resin to partially cure. Keep a close eye on it. Heat and humidity will affect the curing time.

  5. 5

    Before the resin is completely cured, add a second coat. Many thin coats are better than fewer thick coats. After the final coat is applied, allow it to cure overnight.

  6. 6

    Sand the fibreglass repair to match the surrounding area. The repair is now ready for a coat of paint.

Tips and warnings

  • Clean tools immediately after using. Once the resin hardens, it is nearly impossible to remove.
  • Wear protective breathing equipment when sanding fibreglass.

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