Step-by-Step Gelcoat Repairs: Identifying Damage, Preparation, and Professional Application

In this video, Tom Thorne from Ancasta Yacht Services provides a clear, step-by-step guide to carrying out effective gelcoat repairs. Drawing on real-world marine experience, Tom explains how to assess damage properly before any work begins, helping viewers understand what they are looking at and why correct diagnosis is critical to a long-lasting repair. The video covers common types of damage including impact damage and star or stress cracking caused by structural movement. Tom demonstrates inspection techniques such as the tap test with a hammer to identify delaminating areas beneath the surface, and explains the difference between gelcoat and mat and how each plays a role in the repair process. He also highlights the importance of using appropriate personal protective equipment (PPE) throughout the job.