Features May 2007 Issue

Hull Restorer Test

Three years ago we applied three hull restorers to one of our test boats: Poli Glow on the bow, Vertglas on the hull sides, and New Glass 2 aft. Poli Glow’s acrylic coating is still clinging to the gel coat, providing shine.

At some point in the life of a cruising sailboat, hull wax or fiberglass polish is no longer an option and restoring gel coat requires more serious commitment. Hull restorers contain water-based emulsions of acrylic or acrylic/urethane resins. The resins are tiny droplets suspended in water. When applied the water evaporates, and the resins flow together to form clear films. The process is similar to what happens with many fiberglass or gel-coat finishes. For this Practical Sailor test, surface preparation was critical. If you miss a streak of dirt or grease, that blemish will become trapped under the hull restorer.

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