How to Repair a Fiberglass Garage Door

Did you damage the fibreglass garage door while trying to park your car or tractor in the garage? You may be able to repair the damage yourself provided that the damage is not too extensive. If that is the case, your best bet will be to replace the entire fibreglass panel.

Repairing a small crack in a fibreglass door is very easy and does not take up too much of your time if you know the proper way to accomplish the task.

THNIGS REQUIRED:

– Soap
– Water
– Rag or Sponge
– Towel
– 200 and 300-grit sandpaper
– Razor
– Resin
– Hardener
– Fibreglass sheets
– Scraper
– Primer
– Paint

Instructions

  • 1

    Before you start repairing the fibreglass down, you need to clean it thoroughly. Prepare a mixture of soap and water. Dip a rag or sponge in this mixture and clean the damaged area. Make sure no dirt or grease remains on the damaged area or else you will not able to complete the repair work. Using a clean towel, wipe dry the damaged area.

    Image Courtesy: thegaragedoorcentre.co.uk

  • 2

    Now you need to get rid of any burr which may have accumulated on the surface of the door as a result of the damage. Use a razor blade to cut the large burrs and then sand the damaged area to get rid of the smaller burrs. The damage may be a hole in which case you will have to bevel sand the edge of the hole and then get rid of any loose shards using a razor blade.

  • 3

    Cut a piece of fibreglass sheet big enough to cover the crack. Place the fibreglass sheet over the hole or damage.

  • 4

    Prepare a mixture of resin and hardener. Apply this mixture to the fibreglass sheet you cut in the earlier step. Apply this sheet to the damaged area and give time to resin to settle. Depending on the climatic conditions, it may take around 24 hours for the resin to harden completely.

  • 5

    Finally, level the repaired area with rest of the door. Use 200-grit sandpaper for the job. Use a dry towel to wipe away the sanding dust.

  • 6

    Give a finishing touch to the repair work. Apply a coat of fibreglass primer. Let the primer coat dry completely and then apply a uniform coat of paint to finish the job.

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