--- title: "fiberglass repair kit — Niche Verdict: Worth a look (57/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/fiberglass-repair-kit" last_updated: "2026-07-10T02:50:27.075Z" locale: en meta: description: "fiberglass repair kit shows low returns (1.0%), but a small market ($571K/yr) keeps it on the watch list." "og:description": "fiberglass repair kit shows low returns (1.0%), but a small market ($571K/yr) keeps it on the watch list." "og:title": "fiberglass repair kit — Niche Verdict: Worth a look (57/100) | Amazon United States - Flapen" --- Back to Flapen home # **fiberglass repair kit** **Worth a look****57/100 ** fiberglass repair kit shows low returns (1.0%), but a small market ($571K/yr) keeps it on the watch list. **Market/yr** **$571K** **Growth (1y)** **+155.3%** **Products** **35** **Brands** **22** was 15 a year ago **Sellers** **126** **Price range** **$6.85–$69.75** **Returns** **1.0%** **Rating** **4.5★** **Worth a look** Scored 57/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **26** ×0.30 Growth **71** ×0.30 Competition **70** ×0.20 Quality gap **43** ×0.10 Returns **92** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +155.3% year over year. 13K6KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May, Jun · busiest ÷ quietest = 2.1× ## **Competition** - 3M24% - Mallbaola15% - J-B Weld13% - VIKEYTIM6% - bondo5% - TotalBoat4% - Other (16 brands)33% The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them. 22 brands and 126 sellers compete here. **Brands** **22 **▲rising was 15 a year ago **Sellers** **126** **Top 5 brand share** **63%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Marine Fiberglass Repair Kit for Boats Gel Coat Repair Kit for Boats Epoxy Filler for Fiberglass Boats Fix Holes Chips and Deep Cracks Gelcoat repair kit for Fiberglass Acrylic Porcelain(White)](https://m.media-amazon.com/images/I/51u4vMhHOXL.jpg) [**Marine Fiberglass Repair Kit for Boats Gel Coat Repair Kit for Boats Epoxy Filler for Fiberglass Boats Fix Holes Chips and Deep Cracks Gelcoat repair kit for Fiberglass Acrylic Porcelain(White)**](https://www.amazon.com/dp/B0D7S8DXC7) Mallbaola$16.174.5★40114%▲rising 2 ![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★3,89013%▼falling 3 ![VIKEYTIM Marine Fiberglass Repair Kit (Color Match) 3.5oz/100g Gel Coat Repair Kit for Boats Fiberglass Repair Fix Holes Chips Deep Cracks Ceramic Porcelain Fiberglass Filler](https://m.media-amazon.com/images/I/51awqksR7SL.jpg) [**VIKEYTIM Marine Fiberglass Repair Kit (Color Match) 3.5oz/100g Gel Coat Repair Kit for Boats Fiberglass Repair Fix Holes Chips Deep Cracks Ceramic Porcelain Fiberglass Filler**](https://www.amazon.com/dp/B0DCF8WL7Y) VIKEYTIM$17.964.2★3386%▼falling 4 ![Bondo Fiberglass Resin Repair Kit 00422 0.9 Quart](https://m.media-amazon.com/images/I/412qytYPmAL.jpg) [**Bondo Fiberglass Resin Repair Kit 00422 0.9 Quart**](https://www.amazon.com/dp/B000BO7CVK) 3M$37.554.5★1,2235%▼falling 5 ![J-B Weld Fiberglass Cloth 8 sq. ft (46.5 x 25)](https://m.media-amazon.com/images/I/51BkwDWvYKL.jpg) [**J-B Weld Fiberglass Cloth 8 sq. ft (46.5 x 25)**](https://www.amazon.com/dp/B0DQTFLKSZ) J-B Weld$8.374.6★1134%▲rising 6 ![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★84%▲rising 7 ![Fiberglass Resin Repair Kit 0.45 pint (7.2 oz) All-in-One Set with Resin Hardener Fiberglass Cloth and Tools for Automotive Marine and Home Repairs](https://m.media-amazon.com/images/I/41-NSgRwPrL.jpg) [**Fiberglass Resin Repair Kit 0.45 pint (7.2 oz) All-in-One Set with Resin Hardener Fiberglass Cloth and Tools for Automotive Marine and Home Repairs**](https://www.amazon.com/dp/B00Y5R9UA0) 3M$21.824.5★2424%▼falling 8 ![Nanoxa Marine Fiberglass Repair Kit Gel Coat Repair Kit for Boats with Color Match Fiberglass Boat Repair Kit Weather-Resistant Epoxy Filler for Boats Fix Deep Cracks Chips Holes & Scratches](https://m.media-amazon.com/images/I/51A68NjWX2L.jpg) [**Nanoxa Marine Fiberglass Repair Kit Gel Coat Repair Kit for Boats with Color Match Fiberglass Boat Repair Kit Weather-Resistant Epoxy Filler for Boats Fix Deep Cracks Chips Holes & Scratches**](https://www.amazon.com/dp/B0GL7G19Z2) Nanoxa$15.294.0★704%▲rising 9 ![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★1,1454%▲rising 10 ![J-B Weld Quart - Fiberglass Short-Strained Filler](https://m.media-amazon.com/images/I/41G5Qlcq74L.jpg) [**J-B Weld Quart - Fiberglass Short-Strained Filler**](https://www.amazon.com/dp/B0DQTDTNS2) J-B Weld$23.944.7★2674%—flat 11 ![Fiberglass Resin Repair Kit 1/2 Pint (8 oz) All-in-One Set with Resin Hardener Fiberglass Cloth and Tools for Automotive Marine and Home Repairs](https://m.media-amazon.com/images/I/3158o6lH2sL.jpg) [**Fiberglass Resin Repair Kit 1/2 Pint (8 oz) All-in-One Set with Resin Hardener Fiberglass Cloth and Tools for Automotive Marine and Home Repairs**](https://www.amazon.com/dp/B00N9C84V8) bondo$22.114.4★293%▲rising 12 ![RAPTOR Fiberglass Repair Kit Ultra Tough for Long-Lasting Repairs On Holes Splits & Cracks Automotive Repair Kit](https://m.media-amazon.com/images/I/51rz4k2V9lL.jpg) [**RAPTOR Fiberglass Repair Kit Ultra Tough for Long-Lasting Repairs On Holes Splits & Cracks Automotive Repair Kit**](https://www.amazon.com/dp/B095YP96TR) RAPTOR$40.254.6★3693%▼falling 13 ![Polymer World- Polyester Resin .75x50x5 Yard Chopped Strand Mat Fiberglass Kit for Boats Cars Surfboard RV Canoes Jetski Watercraft with MEKP](https://m.media-amazon.com/images/I/51engYqkKcL.jpg) [**Polymer World- Polyester Resin .75x50x5 Yard Chopped Strand Mat Fiberglass Kit for Boats Cars Surfboard RV Canoes Jetski Watercraft with MEKP**](https://www.amazon.com/dp/B0C6J9TXFB) Polymer World$69.754.7★3153%▼falling 14 ![Fiberglass Repair Kit Fiberglass Resin and Hardener Fiberglass Resin It Wont Drip or Run During Curing Enabling Structural-Level Repairs for Various Substrates Including Metal Wood Fiberglass](https://m.media-amazon.com/images/I/41YUbhy5rFL.jpg) [**Fiberglass Repair Kit Fiberglass Resin and Hardener Fiberglass Resin It Wont Drip or Run During Curing Enabling Structural-Level Repairs for Various Substrates Including Metal Wood Fiberglass**](https://www.amazon.com/dp/B0GS4NH4JQ) Mshunya$28.005.0★43%▲rising 15 ![Fiberglass Chopped Strand Mat 10 Yards X 4 Fiberglass Mat Roll 1.5oz Suit for Molding Automotive Boats Surfaces and Reinforces Repairs (1 10 Yards X 4 1.5oz)](https://m.media-amazon.com/images/I/31nKtSC7GoL.jpg) [**Fiberglass Chopped Strand Mat 10 Yards X 4 Fiberglass Mat Roll 1.5oz Suit for Molding Automotive Boats Surfaces and Reinforces Repairs (1 10 Yards X 4 1.5oz)**](https://www.amazon.com/dp/B0F18V52PQ) Acuteye$13.184.6★332%▲rising **~~Showing 15 of 35 — show all ~~** ## **Product shelf** All 35 tracked products in this niche. Top sellersNewestTrending [![Marine Fiberglass Repair Kit for Boats Gel Coat Repair Kit for Boats Epoxy Filler for Fiberglass Boats Fix Holes Chips and Deep Cracks Gelcoat repair kit for Fiberglass Acrylic Porcelain(White)](https://m.media-amazon.com/images/I/51u4vMhHOXL.jpg)**Marine Fiberglass Repair Kit for Boats Gel Coat Repair Kit for Boats Epoxy Filler for Fiberglass Boats Fix Holes Chips and Deep Cracks Gelcoat repair kit for Fiberglass Acrylic Porcelain(White)** Mallbaola**$16.17**4.5★401 reviews](https://www.amazon.com/dp/B0D7S8DXC7) [![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** 3M**$21.51**4.5★3,890 reviews](https://www.amazon.com/dp/B000BO9NOO) [![VIKEYTIM Marine Fiberglass Repair Kit (Color Match) 3.5oz/100g Gel Coat Repair Kit for Boats Fiberglass Repair Fix Holes Chips Deep Cracks Ceramic Porcelain Fiberglass Filler](https://m.media-amazon.com/images/I/51awqksR7SL.jpg)**VIKEYTIM Marine Fiberglass Repair Kit (Color Match) 3.5oz/100g Gel Coat Repair Kit for Boats Fiberglass Repair Fix Holes Chips Deep Cracks Ceramic Porcelain Fiberglass Filler** VIKEYTIM**$17.96**4.2★338 reviews](https://www.amazon.com/dp/B0DCF8WL7Y) [![Bondo Fiberglass Resin Repair Kit 00422 0.9 Quart](https://m.media-amazon.com/images/I/412qytYPmAL.jpg)**Bondo Fiberglass Resin Repair Kit 00422 0.9 Quart** 3M**$37.55**4.5★1,223 reviews](https://www.amazon.com/dp/B000BO7CVK) [![J-B Weld Fiberglass Cloth 8 sq. ft (46.5 x 25)](https://m.media-amazon.com/images/I/51BkwDWvYKL.jpg)**J-B Weld Fiberglass Cloth 8 sq. ft (46.5 x 25)** J-B Weld**$8.37**4.6★113 reviews](https://www.amazon.com/dp/B0DQTFLKSZ) [![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) [![Fiberglass Resin Repair Kit 0.45 pint (7.2 oz) All-in-One Set with Resin Hardener Fiberglass Cloth and Tools for Automotive Marine and Home Repairs](https://m.media-amazon.com/images/I/41-NSgRwPrL.jpg)**Fiberglass Resin Repair Kit 0.45 pint (7.2 oz) All-in-One Set with Resin Hardener Fiberglass Cloth and Tools for Automotive Marine and Home Repairs** 3M**$21.82**4.5★242 reviews](https://www.amazon.com/dp/B00Y5R9UA0) [![Nanoxa Marine Fiberglass Repair Kit Gel Coat Repair Kit for Boats with Color Match Fiberglass Boat Repair Kit Weather-Resistant Epoxy Filler for Boats Fix Deep Cracks Chips Holes & Scratches](https://m.media-amazon.com/images/I/51A68NjWX2L.jpg)**Nanoxa Marine Fiberglass Repair Kit Gel Coat Repair Kit for Boats with Color Match Fiberglass Boat Repair Kit Weather-Resistant Epoxy Filler for Boats Fix Deep Cracks Chips Holes & Scratches** Nanoxa**$15.29**4.0★70 reviews](https://www.amazon.com/dp/B0GL7G19Z2) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Ease Of Use**17% *“Easy to use”* **Quality-Overall**16% *“the results are fantastic”* **Efficiency**9% *“Work perfect”* **Maintenance And Repair**8% *“Worked well for small repairs”* **Advertised Vs Actual Product**7% *“As advertised”* **Value For Money**7% *“Good deal”* **Color**5% *“The color match was perfect”* **Durability**4% *“has held up very well”* **Material Quality**3% *“It provides the essential materials to make durable”* **Instructions/User Manual/Troubleshooting**3% *“The instructions are clear”* ### **What buyers complain about ** **Color**14% *“felt it was a bit too pink”* **Size-Overall**9% *“Big piece for a small fix”* **Functionality-Overall**8% *“It runs and cures super slow”* **Leak-Proof**6% *“Leaking as received”* **Adhesion/Stickiness**5% *“You say marine adhesive I say waste of money”* **Ease Of Use**4% *“Not easy to use”* **Material Quality**4% *“Not enough material”* **Instructions/User Manual/Troubleshooting**4% *“The instructions dont clearly specify how much of each product to use”* **Advertised Vs Actual Product**3% *“This is very deceiving”* **Quality-Overall**3% *“Expected better”* #### **Top return reasons**- Color16% - Maintenance And Repair13% - Functionality-Overall11% - Advertised Vs Actual Product11% - Size-Overall10% - Adhesion/Stickiness7% - Value For Money6% - Defective Material/Parts6% - Material Quality5% - Leak-Proof2%