---
title: "fiberglass resin — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/fiberglass-resin"
last_updated: "2026-07-10T03:39:27.697Z"
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meta:
  description: "a small market ($718K/yr) — fiberglass resin doesn't clear our bar today."
  "og:description": "a small market ($718K/yr) — fiberglass resin doesn't clear our bar today."
  "og:title": "fiberglass resin — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen"
---

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# **fiberglass resin**

**Skip it****51/100 **

a small market ($718K/yr) — fiberglass resin doesn't clear our bar today.

**Market/yr**

**$718K**

**Growth (1y)**

**+148.4%**

**Products**

**22**

**Brands**

**13**

was 14 a year ago

**Sellers**

**76**

**Price range**

**$10.83–$150.74**

**Returns**

**0.8%**

**Rating**

**4.5★**

**Skip it**

Scored 51/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**29**

 ×0.30

Growth

**71**

 ×0.30

Competition

**39**

 ×0.20

Quality gap

**40**

 ×0.10

Returns

**94**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +148.4% year over year.

8K4KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.7×

## **Competition**

- FGCI24% - 3M21% - J-B Weld15% - TotalBoat12% - EVERCOAT Body Shop8% - TAKIMO5% - Other (7 brands)14%

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 76 sellers compete here.

**Brands**

**13 **▼falling

was 14 a year ago

**Sellers**

**76**

**Top 5 brand share**

**81%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![FGCI Boatyard Polyester Laminating Resin 1 Quart Kit with MEKP Hardener Clear Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA](https://m.media-amazon.com/images/I/310EFAbRw5L.jpg) [**FGCI Boatyard Polyester Laminating Resin 1 Quart Kit with MEKP Hardener Clear Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA**](https://www.amazon.com/dp/B006VY78QS)

FGCI$19.554.0★820%▲rising

2
![3M Bondo Fiberglass Resin 0.9 Pint Stage 2 Waterproof Formula for Repairing Resurfacing or Rebuilding Metal Wood Fiberglass or Masonry Surfaces (401)](https://m.media-amazon.com/images/I/316Lvn3rzWL.jpg) [**3M Bondo Fiberglass Resin 0.9 Pint Stage 2 Waterproof Formula for Repairing Resurfacing or Rebuilding Metal Wood Fiberglass or Masonry Surfaces (401)**](https://www.amazon.com/dp/B0002KKIZ0)

3M$20.514.6★67618%▼falling

3
![J-B Weld Fiberglass Resin - Quart - Bath Marine & Auto](https://m.media-amazon.com/images/I/51N5PK4tvkL.jpg) [**J-B Weld Fiberglass Resin - Quart - Bath Marine & Auto**](https://www.amazon.com/dp/B0CGKHL5TR)

J-B Weld$28.074.7★57112%▼falling

4
![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.](https://m.media-amazon.com/images/I/31yHUZftCpL.jpg) [**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.**](https://www.amazon.com/dp/B0DYPDXLK1)

EVERCOAT Body Shop$22.774.8★1558%▼falling

5
![TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding Filleting Coating and Laminating - Use for Fiberglass Wood Carbon Fiber Boat Building Repairs Woodworking (Quart Fast Hardener Pumps)](https://m.media-amazon.com/images/I/41WEL0M8itL.jpg) [**TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding Filleting Coating and Laminating - Use for Fiberglass Wood Carbon Fiber Boat Building Repairs Woodworking (Quart Fast Hardener Pumps)**](https://www.amazon.com/dp/B00HR8515W)

TotalBoat$64.964.5★1,1456%▲rising

6
![TAKIMO 68oz 3 UV Resistant Epoxy Resin Kit - Professional Non-Yellowing Resin for Coating Casting & Small Table Tops - Crystal Clear Hard as Rock 34oz+34oz](https://m.media-amazon.com/images/I/41YEypcNE8L.jpg) [**TAKIMO 68oz 3 UV Resistant Epoxy Resin Kit - Professional Non-Yellowing Resin for Coating Casting & Small Table Tops - Crystal Clear Hard as Rock 34oz+34oz**](https://www.amazon.com/dp/B0D26656P2)

TAKIMO$27.694.4★1,4845%▲rising

7
![FGCI Boatyard Polyester Laminating Resin 1 Gallon Kit with MEKP Hardener Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA](https://m.media-amazon.com/images/I/414DYJGHojL.jpg) [**FGCI Boatyard Polyester Laminating Resin 1 Gallon Kit with MEKP Hardener Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA**](https://www.amazon.com/dp/B006VY7ZY8)

FGCI$40.634.4★614%▲rising

8
![J-B Weld Fiberglass Resin - Gallon - Bath Marine & Auto](https://m.media-amazon.com/images/I/51fPpr06ApL.jpg) [**J-B Weld Fiberglass Resin - Gallon - Bath Marine & Auto**](https://www.amazon.com/dp/B0CGK5NLP2)

J-B Weld$61.244.7★5714%—flat

9
![TotalBoat Polyester Laminating Resin - Marine Grade Fiberglass Resin and MEKP Catalyst for Layups and Repairs (Gallon)](https://m.media-amazon.com/images/I/41TnwqE9NML.jpg) [**TotalBoat Polyester Laminating Resin - Marine Grade Fiberglass Resin and MEKP Catalyst for Layups and Repairs (Gallon)**](https://www.amazon.com/dp/B00PZ09NMQ)

TotalBoat$60.724.6★1,1743%▼falling

10

![Polymer World- Premium Grade Polyester Resin 1-10 Gallon Kit with MEKP for Boats Cars Surfboard RV Pools Canoes Jetskis Watercrafts (1 1 Gallon)](https://m.media-amazon.com/images/I/410VI8dzBRL.jpg) [**Polymer World- Premium Grade Polyester Resin 1-10 Gallon Kit with MEKP for Boats Cars Surfboard RV Pools Canoes Jetskis Watercrafts (1 1 Gallon)**](https://www.amazon.com/dp/B0C7CZ2644)

Polymer World$44.504.7★3463%—flat

11

![FIBERLAM Plus 1-10G Polyester Resin 1-10 Gallon +MEKP Hardener; Low Viscosity Coating for Laminating Fiberglass mat/Biaxle/Cloth; Boat/RV/Automotive/Canoe/Surfboard| Extended TACK Time (1 Gallon)](https://m.media-amazon.com/images/I/41ohj8fM8hL.jpg) [**FIBERLAM Plus 1-10G Polyester Resin 1-10 Gallon +MEKP Hardener; Low Viscosity Coating for Laminating Fiberglass mat/Biaxle/Cloth; Boat/RV/Automotive/Canoe/Surfboard| Extended TACK Time (1 Gallon)**](https://www.amazon.com/dp/B0CK8PKBDS)

Generic$44.854.6★2412%▼falling

12

![Bondo Fiberglass Resin Repair Kit 00420 0.45 Pint](https://m.media-amazon.com/images/I/41QOrWnZZIL.jpg) [**Bondo Fiberglass Resin Repair Kit 00420 0.45 Pint**](https://www.amazon.com/dp/B000BO9NOO)

3M$21.514.5★3,8902%▼falling

13

![True Composites Fiberglass Polyester Resin Kit 1 Gallon](https://m.media-amazon.com/images/I/41m9lfJ6IgL.jpg) [**True Composites Fiberglass Polyester Resin Kit 1 Gallon**](https://www.amazon.com/dp/B077YQTXJQ)

TRUE COMPOSITES$59.974.6★7602%▼falling

14

![Limino Marine Fiberglass Repair Kit - 100ml Fiberglass Resin Filler for Fiberglass Bathtub Chips Cracks Holes Scratch Repair - Gel Coat Repair Kit for Boats Jet Skis Surf Boat Kayak UV-Resistant](https://m.media-amazon.com/images/I/5198Kg2Un3L.jpg) [**Limino Marine Fiberglass Repair Kit - 100ml Fiberglass Resin Filler for Fiberglass Bathtub Chips Cracks Holes Scratch Repair - Gel Coat Repair Kit for Boats Jet Skis Surf Boat Kayak UV-Resistant**](https://www.amazon.com/dp/B0DKWFPGZF)

Limino$10.834.3★1702%▼falling

15

![MAS Epoxies Marine Epoxy Resin Kit (38.4 Oz Slow) 5:1 Total High Performance Resin and Hardener Perfect for Wood Carbon Fiber Fabric and Fiberglass Repair Kit for Boats with Cups and Pumps](https://m.media-amazon.com/images/I/41j7UtymUoL.jpg) [**MAS Epoxies Marine Epoxy Resin Kit (38.4 Oz Slow) 5:1 Total High Performance Resin and Hardener Perfect for Wood Carbon Fiber Fabric and Fiberglass Repair Kit for Boats with Cups and Pumps**](https://www.amazon.com/dp/B0CT6PPF28)

MAS$50.554.0★261%—flat

**~~Showing 15 of 22 — show all ~~**

## **Product shelf**

All 22 tracked products in this niche.

Top sellersNewestTrending

[![FGCI Boatyard Polyester Laminating Resin 1 Quart Kit with MEKP Hardener Clear Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA](https://m.media-amazon.com/images/I/310EFAbRw5L.jpg)**FGCI Boatyard Polyester Laminating Resin 1 Quart Kit with MEKP Hardener Clear Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA** FGCI**$19.55**4.0★8 reviews](https://www.amazon.com/dp/B006VY78QS) [![3M Bondo Fiberglass Resin 0.9 Pint Stage 2 Waterproof Formula for Repairing Resurfacing or Rebuilding Metal Wood Fiberglass or Masonry Surfaces (401)](https://m.media-amazon.com/images/I/316Lvn3rzWL.jpg)**3M Bondo Fiberglass Resin 0.9 Pint Stage 2 Waterproof Formula for Repairing Resurfacing or Rebuilding Metal Wood Fiberglass or Masonry Surfaces (401)** 3M**$20.51**4.6★676 reviews](https://www.amazon.com/dp/B0002KKIZ0) [![J-B Weld Fiberglass Resin - Quart - Bath Marine & Auto](https://m.media-amazon.com/images/I/51N5PK4tvkL.jpg)**J-B Weld Fiberglass Resin - Quart - Bath Marine & Auto** J-B Weld**$28.07**4.7★571 reviews](https://www.amazon.com/dp/B0CGKHL5TR) [![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.](https://m.media-amazon.com/images/I/31yHUZftCpL.jpg)**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**$22.77**4.8★155 reviews](https://www.amazon.com/dp/B0DYPDXLK1) [![TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding Filleting Coating and Laminating - Use for Fiberglass Wood Carbon Fiber Boat Building Repairs Woodworking (Quart Fast Hardener Pumps)](https://m.media-amazon.com/images/I/41WEL0M8itL.jpg)**TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding Filleting Coating and Laminating - Use for Fiberglass Wood Carbon Fiber Boat Building Repairs Woodworking (Quart Fast Hardener Pumps)** TotalBoat**$64.96**4.5★1,145 reviews](https://www.amazon.com/dp/B00HR8515W) [![TAKIMO 68oz 3 UV Resistant Epoxy Resin Kit - Professional Non-Yellowing Resin for Coating Casting & Small Table Tops - Crystal Clear Hard as Rock 34oz+34oz](https://m.media-amazon.com/images/I/41YEypcNE8L.jpg)**TAKIMO 68oz 3 UV Resistant Epoxy Resin Kit - Professional Non-Yellowing Resin for Coating Casting & Small Table Tops - Crystal Clear Hard as Rock 34oz+34oz** TAKIMO**$27.69**4.4★1,484 reviews](https://www.amazon.com/dp/B0D26656P2) [![FGCI Boatyard Polyester Laminating Resin 1 Gallon Kit with MEKP Hardener Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA](https://m.media-amazon.com/images/I/414DYJGHojL.jpg)**FGCI Boatyard Polyester Laminating Resin 1 Gallon Kit with MEKP Hardener Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA** FGCI**$40.63**4.4★61 reviews](https://www.amazon.com/dp/B006VY7ZY8) [![J-B Weld Fiberglass Resin - Gallon - Bath Marine & Auto](https://m.media-amazon.com/images/I/51fPpr06ApL.jpg)**J-B Weld Fiberglass Resin - Gallon - Bath Marine & Auto** J-B Weld**$61.24**4.7★571 reviews](https://www.amazon.com/dp/B0CGK5NLP2)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**18%

*“Best quality”*

**Ease Of Use**16%

*“Easy to use”*

**Value For Money**15%

*“Good product at a reasonable price”*

**Advertised Vs Actual Product**12%

*“Works perfectly as advertised”*

**Instructions/User Manual/Troubleshooting**6%

*“Followed directions,”*

**Efficiency**6%

*“These tools worked GREAT for applying the resin to the fabric on my new pop-up camper top”*

**Material Quality**4%

*“Makes a nice carbon fiber composite when used exactly as directed”*

**Strength**3%

*“Strong enough”*

**Durability**2%

*“don't fall apart”*

**Maintenance And Repair**2%

*“Makes repairs easy”*

### **What buyers complain about **

**Leak-Proof**11%

*“Leaking as received”*

**Value For Money**9%

*“its a minor one is that I wish you got a little more product for the price”*

**Advertised Vs Actual Product**9%

*“This is very deceiving”*

**Functionality-Overall**6%

*“Doesn't self level”*

**Quality-Overall**5%

*“Not of good quality”*

**Smell**4%

*“The one thing to keep in mind is the smell is very strong and toxic”*

**Stiffness**4%

*“It doesn't get stiff enough when applied to fiberglass”*

**Size-Overall**3%

*“But I didnt understand the sizing”*

**Adhesion/Stickiness**3%

*“After a few months of exposure, the cured surface begins to peel and lose adhesion, suggesting poor UV resistance and inadequate crosslink stability”*

**Durability**3%

*“still cannot demold yet”*

#### **Top return reasons**- Size-Overall23% - Functionality-Overall15% - Value For Money13% - Material Quality12% - Advertised Vs Actual Product9% - Leak-Proof6% - Defective Material/Parts3% - Hard Feel2% - Adhesion/Stickiness2% - Moist/Dry2%