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Top 8September 2025

Best Fiberglass Resin 1 Gallon

We made a list of the top 8 Fiberglass Resin 1 Gallon based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

Polymer World- 1 Gal Polyester Resin with Rolled .75x50x5 Yard Chopped Strand Mat, Fiberglass Kit for Boats, Cars, Surfboard, RV, Canoes, Jetski, Watercraft, with MEKP

Polymer World- 1 Gal Polyester Resin with Rolled .75x50x5 Yard Chopped Strand Mat, Fiberglass Kit for Boats, Cars, Surfboard, RV, Canoes, Jetski, Watercraft, with MEKP

✓✅ 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, and even a bathtub
✓✅ 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.
✓✅ Cleaner Results- With its superior formula, this fibre glass resin won't sag or flow when applied to sloping surfaces. The marine resin also helps minimize pattern print-throughs on gelcoat finishes.
✓✅ 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.
✓✅ Our Florida Based business has well over 7 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!

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Fiberglass Warehouse Polyester Laminating Resin - Marine Grade - 1 Gallon - Catalyst Included - Fiberglass, Boat Repair, Decks, RV, Auto

Fiberglass Warehouse Polyester Laminating Resin - Marine Grade - 1 Gallon - Catalyst Included - Fiberglass, Boat Repair, Decks, RV, Auto

Fiberglass Warehouse

✓ALL PURPOSE LAMINATING RESIN – This advanced general purpose ortho polyester resin works for repairs and new construction. Secures fiberglass fabric, composite materials, woods, metals, and other fiberglass surfaces to increase strength, resilience, and long-term durability.
✓EASY TO USE AND LAYER– Our polyester resin stays tacky between layers and provides a reliable hold. Great for projects requiring multiple layers as there is no sanding needed between coats. Use our finishing resin or a wax for a tack free finish on the final layer.
✓VERSATILE USE WITH FAST WET OUT – A fast wet-out means you can apply this poly laminating resin to composite parts including marine, general purpose laminating, aero-space, fiber reinforced plastic parts, auto body, transportation, wood and other DIY composite projects.
✓MEKP CATALYST INCLUDED – This polyester laminating resin kit includes an MEKP hardener to help control gel time for a strong finish. Adjust the catalyst quantity depending on the desired gel time, from 1 tsp/quart for slow gel to 3tsp/quart for fast gel time.
✓PREMIUM GRADE- Our Fiberglass Warehouse Polyester laminating resin is great for low-cost repairs and new construction.

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J-B Weld Fiberglass Resin - Gallon - Bath, Marine & Auto

J-B Weld Fiberglass Resin - Gallon - 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

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Polymer World- Polyester Resin 1-10 Gallon Kit with MEKP for Boats, Cars, Surfboard, RV, Pools,Canoes, Jetskis, Watercrafts (1, 1 Gallon)

Polymer World- Polyester Resin 1-10 Gallon Kit with MEKP for Boats, Cars, Surfboard, RV, Pools,Canoes, Jetskis, Watercrafts (1, 1 Gallon)

✓✅ 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.

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5% Discount

True Composites Fiberglass Resin Polyester Resin Marine Grade Resin 1 Gallon with MEKP Hardener Polymer Resin Fiberglass Repair Kit Laminating Resin for Wood Boat Building and Repair

True Composites Fiberglass Resin Polyester Resin Marine Grade Resin 1 Gallon with MEKP Hardener Polymer Resin Fiberglass Repair Kit Laminating Resin for Wood Boat Building and Repair

TRUE COMPOSITES

✓✅ Grade A - Not your average boatyard resin, this polyester fiberglass laminating resin is the highest grade you will find—a premium product trusted in the marine industry and by most manufaturers.
✓✅ Cures Fast - Apply this resin on wood, fiberglass, or metal without any inconvenience. Depending on temperature and humidity, it can reach its cured stage in as little as 4 hours and up to 24 hours.
✓✅ Dries Tack-Free - Manufactured in the USA, this DCPD-type resin cures tack-free no surface sealer. The set includes 2 gallons of resin and 2- 2-ounce bottles of MEKP catalyst.
✓✅ Multiple Applications - This polyester fiberglass resin is perfect for a variety of uses, including marine laminating, aerospace, FRP parts, auto body repair, transportation, and more.
✓✅ High Compatibility - Suited for all types of fiberglass and coring materials, this polyester laminating resin is great for low-cost repairs, new construction parts, and vertical surfaces.

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11% Discount

Evercoat Body Shop 105007 Pro-Grade Fiberglass Resin for Repairing and Rebuilding Panels & Holes in Fiberglass, Metal, Wood & More, Easy Mix Hardener Included 32 Fl Oz.

Evercoat Body Shop 105007 Pro-Grade Fiberglass Resin for Repairing and Rebuilding Panels & Holes in Fiberglass, Metal, Wood & More, Easy Mix Hardener Included 32 Fl Oz.

EVERCOAT Body Shop

✓Premium Quality – Evercoat Body Shop Pro-Grade Fiberglass Resin provides superior strength and durability, ensuring high-performance repairs and part fabrication for fiberglass, metal, wood, concrete, masonry, and rigid plastics.
✓Easy Application – This resin wets out mat and cloth quickly, ensuring a smooth, non-tacky surface that’s perfect for both professional and DIY repairs. It won’t run or sag, making it ideal for all types of automotive and structural repairs.
✓Versatile Repair Solutions – Whether you’re fixing fiberglass panels, metal surfaces, or rigid plastics, this resin is perfect for repairing holes, cracks, and damaged areas. It’s a go-to solution for high-stress, heavy-duty applications.
✓Impact & Waterproof Protection – Offering exceptional resistance to impact and moisture, Evercoat’s fiberglass resin creates a long-lasting, waterproof barrier that prevents further damage, ensuring durability in even the harshest environments.
✓Sanding & Drilling Ready – Once cured, this resin can be filed, sanded, or drilled for precision repairs and custom fabrications. The included liquid hardener ensures an optimal cure every time, providing a smooth finish for any project.

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Fiberglass Resin, 1-Gal.

Fiberglass Resin, 1-Gal.

✓Can be used alone or with fiberglass tape, cloth or mat
✓Repair fiberglass boats, snowmobiles, jet skis, bathtubs and showers
✓Can also be used as a sealer on damaged or rotted wood and seals concrete
✓Works great on large or small metal rust-outs. Joins most surfaces together creating a strong and long-lasting bond
✓Sandable in less than 2 hours. Compatible with all paints, including gel coat and marine paints. Waterproof.

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OSBANG Epoxy Resin 1 Gal, Crystal Clear, Hard Type Non-Yellowing, UV Resistant, Beginner & Crafter Kit, Includes Resin, Hardener, Measuring Cups, Gloves, Stirring Sticks, Scraper, Pigments

OSBANG Epoxy Resin 1 Gal, Crystal Clear, Hard Type Non-Yellowing, UV Resistant, Beginner & Crafter Kit, Includes Resin, Hardener, Measuring Cups, Gloves, Stirring Sticks, Scraper, Pigments

✓Upgraded Foemula For Crafter: We are a professional resin manufacturer with complete product quality and safety certifications. Our upgraded formula epoxy resin is safe and low odor to keep your crafting process free from discomfort
✓Hard Type & Non-Yellowing: Our improved formula epoxy resin features excellent yellow resistant; 3X UV resistance, ideal for keeping your crafts beautiful for a long time. Shore hardness ＞85D after fully curing; glass-like finish with great hardness
✓All-In-One Epoxy Resin Kit: OSBANG Beginners Friendly 1 gal epoxy resin kit offers 0.5 gal epoxy resin*1, 0.5 gal hardner*1, 8 OZ measuring cups*5, rubber gloves*4, plastic stirring sticks*2, plastic scraper*2 and 0.17 OZ pigments*8
✓Easy To Use: Measure epoxy resin and hardener in 1:1 ratio by volume; Mix them slowly until no filaments in the mixture; Add pigment if desired, and mix well; Pour into molds, and wait 24-48 hours curing
✓Wide Application: Ideal for festival decoration, jewelry making, souvenirs, flower preservation, countertop, coasters, DIY resin art, painting, woodwork, cutting board, casting, coating, and more creative crafts making

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