How to Prevent Aluminum Hull Corrosion

Protect your aluminum hull from corrosion.

Boats with aluminum hulls -- like those with steel hulls -- are susceptible to corrosion. If not protected, the hull could weaken over time, developing holes and cracks. Fortunately, if an aluminum hull is properly protected, it should remain a strong and low-maintenance part of your boat for a very long time.

Things You'll Need

• Cloth
• Degreasing soap
• Towel
• Sandblaster
• Paintbrush
• Epoxy paint

Instructions

1. Clean off the aluminum hull of the ship, using a cloth and a strong degreasing soap. Wipe all grease, oil and grime from the hull, and then rinse with water. Dry off the hull with a towel.

2. Rough up the surface of the hull using a sandblaster. This will create tiny scratches that will help the paint form a stronger bond with the metal. Move the sandblaster back and forth in a sweeping motion to cover every part of the hull.

3. Brush on the epoxy paint using a paintbrush. Paint the entire surface of the hull. Be sure to also paint over any crevices where corrosion could develop. Allow the paint to dry completely, then apply a second coat.

References

• Corrosion Doctors: Aluminum Corrosion
• Kasten Marine: Corrosion Prevention For Metal Boats