New

Car Care

Repair Hull Blisters

STEPS

4

SKILL LEVEL beginner

Beginner Intermediate Advanced
Some fiberglass fillers can be tinted to a variety of colors. If you tint your filler, you can skip painting your repair in many circumstances. Do not run the brush accessory in excess of 15,000 rpm.

by Dremel ®

231 PROJECTS

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Supplies Needed For This Project

ACCESSORY

Dremel 124 Carving Bit

Model # 124

ACCESSORY

Dremel 442 Carbon Steel Brush

Model # 442

Materials

  • 1

    Clean Cloth and Paint Thinner
  • 1

    Fiberglass Resin and Harden
  • 1

    Fiberglass Filler

Let's Get Started

To reduce the risk of injury user must read instruction manuals for all tools used in this project. Wear eye and respiratory protection. Use clamps to support work piece whenever practical.

STEP 1

Step 1

Hull blisters are common on boats. With prompt attention they're not harmful.

STEP 2

Step 2

Grind out the blister with a 124 high-speed cutter. Recommended speed: 15,000 rpm.

STEP 3

Step 3

Clean the hole with the 442 carbon steel brush. Wipe away dust with a cloth dipped in paint thinner. Recommended speed: 15,000 rpm.

STEP 4

Step 4

Finally, fill the hole with fiberglass filler and resin. When dry, scuff the surface before painting.

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