Polyester Resin Guide: How to Use It, Types, and What You Need Short Answer Polyester resin is the most widely used material for fiberglass repair, boat building, and composite construction. It is affordable, fast-curing, and ideal for laminating fiberglass cloth, mat, and structural parts. --- What is Polyester Resin? Polyester resin is a thermosetting resin used in fiberglass applications to create strong, durable composite structures. It is activated using MEKP catalyst and cures throug...
What Sandpaper Grit Do I Use? Not sure what sandpaper grit to use? This guide explains the best grit ranges for fiberglass repair, gelcoat, primer, marine paint, fairing compound, wet sanding, polishing, and general surface preparation. At Fiberglass Florida , we help boatyards, fiberglass repair shops, marine painters, surfboard builders, composite fabricators, and DIY boat owners choose the correct abrasive for the job. The right sandpaper grit can save time, improve adhesion, reduce deep scratc...
Boat Restoration Technical Support Guide Last updated: February 2026 Boat restoration is the process of repairing, rebuilding, and refinishing fiberglass boats to restore structural integrity, appearance, and long-term performance. This technical support guide serves as a master reference for understanding materials, repair methods, and best practices used in modern fiberglass boat restoration. This page is designed as a living knowledge base. Each section below will continue ...
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