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Hullgard Extra Epoxy Primer Application Guide How and Why to Use Hullgard Extra Hullgard Extra Epoxy Primer is a high-build, anticorrosive substrate primer designed to create a stable foundation for fairing compounds and finishing systems. It is commonly used after corrosion primers like Max Cor CF to build film thickness, improve adhesion, and prepare surfaces for Awlfair and topcoat systems. This primer is ideal for aluminum, steel, and fiberglass substrates where long-term durab...

TERMS OF SERVICE ---- OVERVIEW This website is operated by Fiberglass Florida. Throughout the site, the terms “we”, “us” and “our” refer to Fiberglass Florida. Fiberglass Florida offers this website, including all information, tools and services available from this site to you, the user, conditioned upon your acceptance of all terms, conditions, policies and notices stated here. By visiting our site and/ or purchasing something from us, you engage in our “Service” and agree to be ...

Fiberglass Florida – Core Material Comparison Chart Compare our most popular core materials including Coosa, Divinycell, AirCell, and Honeycomb foam. Use this chart to choose the right material for your application based on strength, weight, water resistance, and compatibility with resin systems. Material Density (lb/ft³) Water Absorption Screw Retention Best Used For Resin Compatibility Coosa Bluewater 20–32 Very Low Excellent Transoms, stringe...

Fiberglass & Gelcoat Technical Support Fiberglass and gelcoat work demands the right materials, proper technique, and an understanding of how each layer in the system works together. Whether you’re making repairs, building a mold, or producing parts, Fiberglass Florida provides technical guidance built on real-world experience. Our team supports professionals and serious DIY builders working with polyester, vinyl ester, and epoxy systems. We help you select compatible products, apply them corre...

Professional Awlgrip Guidance — Explained Clearly Awlgrip coatings are professional-grade marine finishes. When applied correctly, they deliver unmatched durability and appearance — but they are also process-sensitive. Our technical guidance follows the same application principles outlined in Awlgrip’s official application documentation, translated into clear, real-world advice for boat owners, repair shops, and first-time painters. Common Awlgrip Application Issues We Hel...

Technical Support & Expert Guidance Working with fiberglass, gelcoat, and marine coatings requires the right materials, correct procedures, and real-world experience. At Fiberglass Florida, technical support is part of what we do every day. Our team works directly with boat builders, repair yards, manufacturers, and serious DIY builders to solve real-world problems using proven materials and practical methods. Call Technical Support Send Us a Message ...

Open Molding & Lamination Technical Support Open molding and hand lay-up remain some of the most widely used fiberglass manufacturing methods in marine, industrial, and composite fabrication. Successful lamination depends on selecting the correct laminating resin and understanding how resin formulation, processing behavior, and cure characteristics affect the finished composite part. What Are Laminating Resins? Laminating resins are polyes...

Polyester vs Vinyl Ester Resin: Understanding the Differences Choosing the correct resin is one of the most important decisions in fiberglass lamination. Polyester and vinyl ester resins are both widely used in open molding, hand lay-up, and spray-up applications, but they offer different performance, durability, and cost characteristics. Understanding how these resin systems differ will help you select the right material for your project, environment, and performance requirements. ...

Preparing Gelcoat for Awlgrip Paint Systems When applying Awlgrip or Awlcraft coatings over fiberglass boats, proper preparation of existing or new gelcoat is critical for long-term adhesion and finish quality. Most adhesion failures in marine paint systems occur because of poor surface preparation rather than product failure. Why Gelcoat Preparation Matters Before applying Awlgrip systems the gelcoat surface must be: Free of wax and contamination Properly sanded to ...

Awlgrip 545 Epoxy Primer Guide 545 Epoxy Primer is the industry standard undercoat primer used in Awlgrip coating systems. It seals surfacing primers and prepares substrates for Awlgrip or Awlcraft topcoats while providing excellent adhesion and corrosion protection. View Full Awlgrip Application Guide Shop Awlgrip Primers Product Overview Key Features Outstanding adhesion to fiberglass, steel, aluminum and wood Corrosion resistant epoxy primer Used above or...

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 ...

Awlcraft 3000 Technical Support Guide Awlcraft 3000 is a professional-grade, two-component polyurethane marine topcoat designed for high-gloss yacht finishes. This guide covers mixing ratios, spray setup, film thickness, drying times, repairs, maintenance, and common contractor questions. If you are spraying Awlcraft 3000 and need technical clarity, this is your complete support resource. What Is Awlcraft 3000? Short Answer: Awlcraft 3000 is a buffable, repairable, high-gloss p...

Awlgrip & Marine Paint Technical Support Awlgrip systems are precision coatings where surface preparation, product selection, and application technique all matter. We help painters and boat owners achieve consistent, professional results. This section focuses on system compatibility, proper sequencing, and real-world application guidance for Awlgrip, Awlcraft, primers, converters, reducers, and maintenance products. Understanding the Awlgrip System Awlgrip is not just paint — it i...

Awlgrip Yacht Paint Application Guide Complete professional guide to surface preparation, priming, fairing, and applying Awlgrip marine coatings. Built for boat builders, professional painters, and first-time users who want a flawless finish. Guide Contents Overview of Awlgrip Coating Systems Surface Preparation Fundamentals Preparing Fiberglass & Gelcoat Preparing Aluminum Preparing Steel Preparing Wood Fairing Compounds & Surface Correction...

Fiberglass Surface Preparation for Awlgrip Paint Before applying Awlgrip mer or topcoat systems, fiberglass surfaces must be properly cleaned, sanded, and prepared. Contamination such as wax, mold release agents, oil, or oxidation will prevent pricoatings from bonding correctly. Need help with a project? Call our coatings team: 321-639-3046 Quick Answer: How Do You Prep Fiberglass for Awlgrip? Clean the surface to remove wax, oil, grease, and contamination Use t...

Awlgrip Primers & Sealers Guide Awlgrip primer systems provide corrosion protection, surface filling, and adhesion before applying yacht topcoats. Selecting the correct primer ensures maximum durability and finish quality. View Full Awlgrip Application Guide Shop Awlgrip Primers Select a Primer System 545 Epoxy Primer Multi-purpose corrosion resistant epoxy primer used to seal surfacing primers before applying Awlgrip finishes. View Technical Guide ...

Max Cor CF Epoxy Primer (Controlled Fusion Technology) How and Why to Use Max Cor CF Max Cor CF Epoxy Primer is a high-performance, chromate-free corrosion primer engineered for aluminum and steel in marine and industrial environments. Designed with Controlled Fusion Technology, it chemically bonds to properly prepared metal surfaces to create a durable, corrosion-resistant foundation for subsequent coatings. This system is ideal for aluminum boats, towers, structural components, a...

Fiberglass Fillers Guide: Aerosil, Q Cell, Fairing & Structural Fillers Explained What Are Fiberglass Fillers? Fiberglass fillers are powders, fibers, or pre-mixed compounds used with polyester resin or epoxy resin to create custom mixtures for marine, repair, and composite applications. They are commonly used in: Fiberglass boat repair Marine fairing and surface preparation Composite construction Surfboard building --- Types of Fiberglass Fillers (What to Use and W...

MEKP Catalyst Calculator & Mixing Guide (oz, mL, cc) MEKP Catalyst (Methyl Ethyl Ketone Peroxide) is used to cure polyester resin, vinyl ester resin, and gelcoat. The correct mix ratio is critical to ensure proper curing, strength, and finish quality. Standard mix: 1.5% MEKP (about 2 oz per gallon of resin). Important Mixing Notes This information is based on MEKP 925 and tested at 77°F (25°C) . These are estimates and may vary depending on the resin system, shop conditions, and ap...

MEKP Catalyst Calculator Calculate exactly how much MEKP catalyst you need for polyester resin, vinyl ester, or gelcoat. Input Resin Amount (oz) MEKP % 1% 1.5% (Standard) 2% Standard mix is 1.5% at ~70–75°F. Adjust as needed. Result 0.24 oz 7.1 mL / cc Quick Tip: Perfect for small batches and repairs. Quick Mix Examples 8 oz Resin ~3.5 mL (0.12 oz)...