West System Gelcoat Blisters Repair Guide

A comprehensive guide book on gelcoat blisters, running through a brief background on osmosis and a guide to repairing blisters with epoxy, focusing closely on hull preparation and repair.

This guide is now available free online from West System.

This osmosis bubble repair guide book runs through epoxy repairs including:

• Introduction: A brief background on osmosis.
• The problem of Gelcoat Blisters: The formation of blisters.
• Blister Repair and Coating: Epoxy vs. Polyester.
• Hull preparation: Assessing and removing damage.
• Drying the laminate: The process of reducing moisture in the hull.
• Fairing the Hull: Applying a fairing mix and removing imperfections.
• Barrier Coating: Applying a moisture barrier.

Please note: Other methods of osmosis treatment are available and each boat has different needs so it is important to consult a professional to establish the best remedy available. The treatments discussed in this book may not be a practical solution to all boats.