Got an unwanted hole in your boat from an old drain or thru-hull that’s now a potential hazard? Don’t wait for it to fail and put your boat at risk! In this step-by-step tutorial, expert boat repairman Andy Miller from Boatworks Today shows you how to properly and safely plug an unwanted hole below the waterline. Whether you’re dealing with an outdated fitting or just trying to prevent a leak, Andy walks you through the materials, tools, and techniques needed to ensure a watertight, durable repair. This is a crucial fix that every boat owner should know, and Andy’s tips will help you get it done right the first time. Stay safe on the water and protect your boat—watch now and learn how to plug that hole like a pro! TotalBoat Website: https://www.totalboat.com/ TotalBoat Gelcoat: https://www.totalboat.com/products/gelcoat TotalBoat Pigment Dispersions: https://www.totalboat.com/products/pigment-dispersions-epoxy-resin Andy Miller of @boatworkstoday YouTube: https://www.youtube.com/@UC0kDqq-pSzdqFUk3oTaHBuA Website: https://www.boatworkstoday.com/ TotalBoat 5:1 Traditional Epoxy Resin Kits: https://www.totalboat.com/products/5-1-marine-epoxy-resin-kits TotalBoat TotalFair: https://www.totalboat.com/products/totalfair-epoxy-fairing-compound TotalBoat TotalProtect Epoxy Barrier Coat Primer: https://www.totalboat.com/products/totalprotect-epoxy-barrier-coat-primer TotalBoat Krypton Copper-Free Antifouling Bottom Paint: https://www.totalboat.com/products/krypton-antifouling-bottom-paint TotalBoat Wet Edge Topside Paint: https://www.totalboat.com/products/wet-edge-marine-topside-paint #BoatRepair #BoatworksToday #ThruHullRepair 00:00 Introduction 00:46 Materials and Products Needed 01:12 Thru Hull Fitting Removal 03:18 Surface Preparation 05:10 Fiberglassing the Thru Hull 06:10 Fiberglassing Interior Repairs 07:23 How to Use Epoxy Fairing Compound 09:22 Final Steps