How to Repair Enclosed Trailer Siding

You may be thinking, “What should I do with this damaged trailer? How should I fix?” In the picture we can see that the side panels of this trailer are dented, but not badly enough to damage the frame/beam inside the aluminum box panel. If there is damage to this part, the beam may need to be replaced.

trailer needs repair

How to repair enclosed trailer siding by myself?

  1. Remove the fender
  2. Remove all screws from the recessed side panel
  3. Then, remove the side panel
  4. Remove the wooden panel inside the trailer by unscrewing all the screws
  5. Check the extent of the damage to the frame/beam. If the damage is minor, the frame/beam can be restored by tapping it with a hammer. If the damage is severe, the frame/beam will need to be replaced. You can find out if you can purchase one by contacting the trailer manufacturer. If you cannot purchase it, you will need to weld it yourself to match.
  6. Install the internal wood panels, then the side panel outside

How to fix the dark spots on the outside of trailer?

The siding of many enclosed trailers is made of aluminum. However, metal trailer walls can occasionally be damaged, resulting in corrosion of the damaged part. This will reduce the life of the trailer. How can it be repaired?

  1. Cleaning. Wipe the scratched and corroded parts of the trailer wall with a rag to remove dirt. Then dry thoroughly with a dry towel.
  2. Sanding. Use medium grit sandpaper to sand over scratches and corroded areas until the scratches are gone and the corrosion is completely removed.
  3. Cleaning. Moisten a clean rag with water and wipe off all dust from the trailer walls. Then dry with a dry towel to prevent re-corrosion.
  4. Spray paint. Shake well the metal primer, spray it on the trailer wall and let it dry for 24 hours.
  5. Paint. Use a synthetic paintbrush to apply acrylic latex paint to the primed trailer walls. Try to apply the paint in smooth, even strokes, making sure the black spots are completely covered. Then allow the painted trailer wall to dry for 24 hours.

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