With so many Best Marine Fiberglass Resin brands on the market – from big names like TotalBoat,J-B Weld,TRUE COMPOSITES,Epoxy King to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.
We carefully researched and tested a vast range of Best Marine Fiberglass Resin to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.
Our #1 best Best Marine Fiberglass Resin is TotalBoat Best Marine Fiberglass Resin, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best Marine Fiberglass Resin options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best Marine Fiberglass Resin tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!
Editor's Choice
TotalBoat Polyester Laminating Resin - Marine Grade Fiberglass Resin and MEKP Catalyst for Layups
Budget Pick
TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding, Filleting, Coating, and Laminating - Use for
Top 10 Best Marine Fiberglass Resin
We researched and compared the top products in the Best Marine Fiberglass Resin category to provide you with these recommendations.
1. TotalBoat Polyester Laminating Resin - Marine Grade Fiberglass Resin and MEKP Catalyst for Layups
- GENERAL PURPOSE POLYESTER RESIN stays tacky to hold fiberglass cloth and composite fabrics in place during boat building & layups; ideal for hull & surfboard repair, bathtub & automotive fiberglass repairs
- FAST WET OUT OF FIBERGLASS and other reinforcement fabrics used to create composites and FRP parts for yachts, boats, motorcycles and more; ideal for spray-ups and hand layups on fiberglass, wood & metal
- EASY TO USE, NO SANDING: Polyester fiberglass resin is an excellent base coat for laminating applications; just mix in MEKP catalyst and use immediately; surface stays tacky so next layer adheres strongly
- INCLUDES MEKP CATALYST: Adjust the amount of MEKP hardener to control gel time; slow gel (20 min +): 1 teaspoon of MEKP per quart of resin; medium (15-20 min): 2 tsp/qt; fast (10 min): 3 tsp/qt
- CHOOSE QUART OR GALLON SIZE. Note: Resin and work area should be between 70F to 95F; store in temperatures below 77F; for the final layer in your layup, use TotalBoat Polyester Finishing Resin
2. J-B Weld Fiberglass Resin - Quart - Bath, Marine & Auto
- J-B Weld Fiberglass Resin is a two-component resin system that provides waterproof, durable repairs to small & large gaps, holes, cracks, and other damage in pools, boats, tub & showers, and more. Use Fiberglass Resin with fiberglass cloth or mat for reinforcement strength and for repairs on holes or gaps
- Repairs holes and cracks on fiberglass, rigid plastics, metal, concrete & more
- Dries in 2 hours
- Great for boats, pools, tubs & showers
- Use with fiberglass cloth and mat
3. TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding, Filleting, Coating, and Laminating - Use for
- High-Strength Marine Epoxy Resin Kits: System formulated for bonding, coating, and laminating. Build, repair, and restore boats, canoes, kayaks, SUPs, surfboards, RVs, and trailers. Stronger bonds and more durable than polyester fiberglass resin.
- Ideal for Building and Repair Projects: TotalBoat marine epoxy bonds to wood, steel, lead, etched aluminum, fiberglass, carbon fiber, and other composites. Mixed viscosity and self-leveling properties ideal for wetting out fiberglass cloth.
- Complete Epoxy Resin and Hardener Kit: Quart, gallon, and 4.5-gallon epoxy kits include resin, slow or fast hardener, color-coded pumps, and mixing supplies. At 75F, pot life is 20 minutes for slow hardener, and 12 minutes for fast.
- Compatible with Fillers: Use thickeners and additives to create epoxy fairing compound, filleting material, or gap-filling adhesives for boat building and repairs, carpentry, and woodworking projects. Compatible with other 5:1 epoxy resin systems.
- Marine-Grade Formula: TotalBoat Traditional epoxy cures to a high-strength solid that can be sanded, shaped, and painted over. Resists chemicals, moisture, salt, and weather for long-lasting structural repairs. Not intended for clear coating.
4. True Composites Fiberglass Resin Polyester Resin Marine Grade Resin 1 Gallon with MEKP Hardener
- GRADE A-True Composites is a renowned name for its premium product used in the marine industry!
- CURES FAST-Reach cured quickly-4 hours minimum to 24 hours maximum, based on temperature!!
- DRIES TACK-FREE-This DCPD-type resin dries tack free without the need for wax!!
- MULTIPLE APPLICATIONS: marine, aerospace, FRP parts, auto body, on wood, fiberglass, or metal!!
- HIGH COMPATIBILITY - Compatible with all types of fiberglass and coring materials, this polyester laminating resin is perfect for low-cost repairs, new construction parts, and vertical surfaces.
5. UV Resistant Marine Grade EPOXY Resin * Clear * Non-Toxic * Boat * BAR TOP * Table TOP * Fiberglass
- Easy application
- UV Resistant, Marine Grade, Clear Finish
- Bonds chemically and mechanically to the substrate
- Non-Toxic, 100% solids, VOC Free... Does not contain Cheap Diluents or Solvents
- Multipurpose epoxy adhering to wood, fiberglass, concrete, stainless steel and more
- Excellent Chemical Resistance
- 2:1 Resin to Hardener Mix Ratio
6. TotalBoat-510822 High Performance Epoxy Kit, Crystal Clear Marine Grade Resin and Hardener for
- EPOXY KITS include low-viscosity resin and clear, non-blushing hardener for woodworking, boat building, laminating and repair projects. Ideal for clear coating. Simple mix ratio of 2 parts resin to 1 part hardener
- NON-BLUSHING EPOXY system means no time-consuming washdowns to remove surface blush between coats, so projects get finished faster. Low odor and low VOCs make it great for shop or indoor use. Cured surface is BPA-free, safer for potential food contact
- CHOOSE SLOW, MEDIUM, OR FAST HARDENER to control working properties and cure times. Slow Hardener has the longest working and cure times. Medium Hardener is ideal for most applications. Fast Hardener has the shortest working time and fastest cure
- CHOOSE EPOXY KIT SIZE: Pint, Quart, Gallon or 2 Gallon. All TotalBoat Epoxy Kits come with calibrated pumps, mixing sticks and mixing cups. Compatible with epoxy thickeners, fillers and coloring agents
- PUMPS INCLUDED: Metered resin and hardener pumps provide the exact 2 parts resin to 1 part hardener ratio for a proper cure every time; easy-to-use pumps are calibrated so all you do is mix ONE full pump of hardener to every ONE full pump of resin
7. Polymer World- Polyester Resin 1-10 Gallon Kit with MEKP for Boats, Cars, Surfboard, RV,
- From Water crafts to Bath Fixtures - Upgrade your building and repair kit with our general-purpose marine fiberglass resin. You can confidently use it on a boat, surfboard, automobile, motors homes and even a bathtubs.
- Convenient Application - This fiberglass boat repair kit allows for fast wet out. Easy to spread, the wetting resin impregnates fibrous material quickly and can be applied using spray-ups or hand layups.
- Excellent Tackiness - Our fiberglass resin stays tacky for a longer period. This makes it easier for you to apply stacks or layers of reinforcement materials, which then allows for stronger adhesion. After the curing process our resin dries to a nice hard tack-free finish!
- Cleaner Results - With its superior formula, this fiberglass resin won't sag or flow when applied to sloping surfaces. The marine resin also helps minimize pattern print-throughs on gelcoat finishes.
- UV Stability - Polyester Resin has UV Stabilizers that will resist degradation from sunlight exposure. This will provide trouble free protection for years!
- Our Florida Based business has well over 8 years of experience in the boating industry, and we are just getting started. We look forward to working with you on all of your projects going forward. We know that once you experience any Polymer World product, you will be encouraged to try our other offerings through our extensive product line. We offer Polyester Resin, Fiberglass, Ceramic Transom Pour and Gel Coat for all of your project needs. The future will be exciting here at Polymer World. We thank all our customers for choosing our products for their amazing projects!
- Complete Your Marine Fiberglass Repair Kit for Boats - The 1- gallon polyester resin includes a 2 fl oz bottle of MEK-P polyester resin catalyst. No need to buy a resin hardener separately.
8. Fiberglass Warehouse Fiberglass Resin – Premium Marine Grade Fiberglass Resin for Laminating,
- Premium Quality: This Fiberglass Resin by Fiberglass Warehouse is designed for professionals who rely on high-end products. Unlike regular boatyard resin, our finishing solution is marine grade for more durability and an excellent finish.
- Fast and Easy Curing: This marine resin can be applied easily and dries quickly. The curing time depends on both temperature and humidity and can take between 4-24 hours for complete and flawless curing.
- Excellent Finish: This polyester resin is manufactured in the USA under strict quality regulations. This set includes a gallon of DCPD/Ortho blend polyester resin and 2 ounces of MEKP hardener. When applied, the resin dries tack-free even without using wax.
- Versatile Item: Our resin and hardener kit is suitable for a wide range of applications including marine, general purpose laminating, aerospace, fiber reinforced plastic parts, auto body, transportation, wood, and many others.
- Designed for Many Materials: The marine polyester resin is compatible with fiberglass and coring materials. It is suitable for repairs, new construction parts, and vertical surfaces.
9. 3M 401 Bondo Fiberglass Resin - 0.9 Pint
- For repairing, resurfacing and rebuilding a range of materials
- Can be used alone as a sealer
- Compatible with all paints including gel coat and marine paint
- Includes Bondoc Fiberglass Resin Liquid Hardener for convenient, accurate mixing
- Use during the Fill stage of the 3M Body Repair System
10. FIBERLAM Plus 1-10G Polyester Resin 1-10 Gallon +MEKP Hardener; Low Viscosity Coating for Laminating
- GRADE A - Not a boatyard resin, LXC FIBERLAM Plus POLYESTER RESIN is a Fiberglass Laminating Resin of high quality to meet your needs for fiberglass lamination - Fiberlam Plus is MARINE GRADE and used in the marine industry and by most RV, camper trailer, boat manufacturers and many more industries including custom sound system manufacturing.
- CURES FULLY in 48-72hrs without wax , this resin has NO WAX and is a true laminating resin - Use this resin on Wood, Fiberglass, Fabrics or Metal without any hassle. Depending on temperature and humidity, it can reach its cured stage in as quick as 4 hours but may take up to 24-72 hours depending on amount of MEKP added or if temperatures are lower than 72F, If temperatures are too low it will take even longer. A heated workspace is required/highly recommended during the cooler months of the year. Optimal working temperature is above 75F
- CURES TACK FREE (no wax is present in this resin) after 24-36hrs - Manufactured in the USA, this Ortho-type resin cures tack free in 24-36hrs. For faster time to full cure / no tack; wax may be added to reduce tack time to less than 24hrs. The set includes MEKP hardener, 1x 2oz bottle for each gallon of resin purchased.
- MULTIPLE APPLICATIONS - This polyester fiberglass resin is great for the following applications: marine, general purpose fiberglass laminating, aero space, FRP (Fiber Reinforced Plastic) parts, auto body, transportation, wood, and much more
- HIGH COMPATIBILITY - Compatible with all types of Fiberglass and coring materials, including expanded PVC coring and so much more, this polyester laminating resin is perfect for high quality repairs, new construction parts, and vertical surface laminations.
- From Water crafts to Bathrooms - Upgrade your building and repairs with our general-purpose marine fiberglass resin. You can confidently use it on a boat, surfboard, automobile, and even a bathtub or shower. Gelcoat adheres with a superrior bbond to this resin as well.
- Mix Ratio chart is on the label for easy reference to mix according to your desired work time. MIX FULLY to ensure a complete and proper reaction. Scrape the sides of the container you are mixing in as well as the bottom to ensure a complete mix. Easy to spread, this high wetting resin impregnates fibrous material quickly and can be applied using spray guns or hand layups.
- Excellent Tackiness - Our FiberLam Plus fiberglass resin stays tacky for a longer period. alowing for easier application to stack layers of reinforcement materials, which creates a stronger adhesion.
Peter
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