--- title: "polyester primer — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/polyester-primer" last_updated: "2026-07-09T23:39:42.493Z" locale: en meta: description: "a small market ($26K/yr) — polyester primer doesn't clear our bar today." "og:description": "a small market ($26K/yr) — polyester primer doesn't clear our bar today." "og:title": "polyester primer — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen" --- Back to Flapen home # **polyester primer** **Skip it****44/100 ** a small market ($26K/yr) — polyester primer doesn't clear our bar today. **Market/yr** **$26K** **Growth (1y)** **+208.4%** **Products** **15** **Brands** **5** was 4 a year ago **Sellers** **39** **Price range** **$8.00–$165.39** **Returns** **0.0%** **Rating** **4.4★** **Skip it** Scored 44/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **1** ×0.30 Growth **78** ×0.30 Competition **29** ×0.20 Quality gap **49** ×0.10 Returns **100** ×0.10 ## **Demand** Weekly Amazon search volume, last 20 weeks — +208.4% year over year. 407203.5Feb '26Mar '26Apr '26Apr '26May '26Jun '26Jun '26 ## **Competition** - Evercoat88% - House of Kolor5% - Eastwood4% - Rust-Oleum2% - U-POL2% - Other0% The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack. 5 brands and 39 sellers compete here. **Brands** **5 **▲rising was 4 a year ago **Sellers** **39** **Top 5 brand share** **100%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Gray](https://m.media-amazon.com/images/I/51osX7-HqLL.jpg) [**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Gray**](https://www.amazon.com/dp/B000Q8GFPK) Evercoat$113.724.3★32129%▼falling 2 ![Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz](https://m.media-amazon.com/images/I/51h5w7gjb7L.jpg) [**Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz**](https://www.amazon.com/dp/B08B8V6C14) Evercoat$164.064.1★3820%▲rising 3 ![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz](https://m.media-amazon.com/images/I/51v590qEKqL.jpg) [**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz**](https://www.amazon.com/dp/B0082LI2TA) Evercoat$64.024.4★4911%▼falling 4 ![Evercoat Super Build 4:1 Polyester Primer Surfacer for Aluminum Fiberglass & More - 128 Fl Oz](https://m.media-amazon.com/images/I/41yQI3yOTLL.jpg) [**Evercoat Super Build 4:1 Polyester Primer Surfacer for Aluminum Fiberglass & More - 128 Fl Oz**](https://www.amazon.com/dp/B004IQ96DO) Evercoat$135.374.0★1087%▼falling 5 ![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Black](https://m.media-amazon.com/images/I/51pmtB41nCL.jpg) [**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Black**](https://www.amazon.com/dp/B003TQFYGC) Evercoat$126.994.2★615%▲rising 6 ![Sprayable Polyster Primer](https://m.media-amazon.com/images/I/51R+43J6CgS.jpg) [**Sprayable Polyster Primer**](https://www.amazon.com/dp/B09481CXWN) House of Kolor$116.275.0★65%▲rising 7 ![Evercoat Slick Sand Polyester Primer Surfacer for Fiberglass Wood Surfaces & More - 128 Fl Oz](https://m.media-amazon.com/images/I/51okNLSN2HL.jpg) [**Evercoat Slick Sand Polyester Primer Surfacer for Fiberglass Wood Surfaces & More - 128 Fl Oz**](https://www.amazon.com/dp/B000Q8EJJO) Evercoat$163.164.2★1015%▲rising 8 ![Eastwood Contour Polyester Primer Direct to Metal Surfacer Filling Quart](https://m.media-amazon.com/images/I/51xZfDxeoFL.jpg) [**Eastwood Contour Polyester Primer Direct to Metal Surfacer Filling Quart**](https://www.amazon.com/dp/B007N6FJXM) Eastwood$69.464.4★994%▲rising 9 ![Evercoat 4:1 Catalyst - Polyester Primer Catalyst - Epoxy-Enriched Primer Catalyst - 32 Fl Oz](https://m.media-amazon.com/images/I/41zgniqPsbL.jpg) [**Evercoat 4:1 Catalyst - Polyester Primer Catalyst - Epoxy-Enriched Primer Catalyst - 32 Fl Oz**](https://www.amazon.com/dp/B00IK1PFRE) Evercoat$47.434.6★984%▲rising 10 ![Evercoat Finish Sand 4:1 Hybrid Polyester Primer Surfacer for Fiberglass Metal & More - 128 Fl Oz](https://m.media-amazon.com/images/I/41LO+NlljdL.jpg) [**Evercoat Finish Sand 4:1 Hybrid Polyester Primer Surfacer for Fiberglass Metal & More - 128 Fl Oz**](https://www.amazon.com/dp/B00H2WVB48) Evercoat$137.604.5★153%▼falling 11 ![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz](https://m.media-amazon.com/images/I/51IT0OrrvWL.jpg) [**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz**](https://www.amazon.com/dp/B000Q8BBRC) Evercoat$126.784.0★442%▼falling 12 ![Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray 12 oz Gray](https://m.media-amazon.com/images/I/411RZBSE-TL.jpg) [**Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray 12 oz Gray**](https://www.amazon.com/dp/B006ZLQ4HQ) Rust-Oleum$8.004.7★7,0222%▲rising 13 ![Evercoat Dura Build Acrylic Primer Surfacer for Body Filler Putty Fiberglass and More - 128 Fl Oz](https://m.media-amazon.com/images/I/51lSaVh9JuL.jpg) [**Evercoat Dura Build Acrylic Primer Surfacer for Body Filler Putty Fiberglass and More - 128 Fl Oz**](https://www.amazon.com/dp/B000P6WQNS) Evercoat$122.314.1★492%—flat 14 ![U-POL 1 Gallon (4.2 VOC) High Solids High Build Urethane Primer Kit with Standard (60 to 95 F) Temperature Hardener](https://m.media-amazon.com/images/I/51lnxt9QuBL.jpg) [**U-POL 1 Gallon (4.2 VOC) High Solids High Build Urethane Primer Kit with Standard (60 to 95 F) Temperature Hardener**](https://www.amazon.com/dp/B003TQGGNM) U-POL$94.974.6★5502%—flat 15 ![Fibreglass Evercoat 2224 URO-Fill Acrylic Urethane Primer Surfacer - Gallon - Gray](https://m.media-amazon.com/images/I/51yKgNKOAnL.jpg) [**Fibreglass Evercoat 2224 URO-Fill Acrylic Urethane Primer Surfacer - Gallon - Gray**](https://www.amazon.com/dp/B000P6URUC) Evercoat$165.395.0★32%▲rising ## **Product shelf** All 15 tracked products in this niche. Top sellersNewestTrending [![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Gray](https://m.media-amazon.com/images/I/51osX7-HqLL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Gray** Evercoat**$113.72**4.3★321 reviews](https://www.amazon.com/dp/B000Q8GFPK) [![Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz](https://m.media-amazon.com/images/I/51h5w7gjb7L.jpg)**Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz** Evercoat**$164.06**4.1★38 reviews](https://www.amazon.com/dp/B08B8V6C14) [![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz](https://m.media-amazon.com/images/I/51v590qEKqL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz** Evercoat**$64.02**4.4★49 reviews](https://www.amazon.com/dp/B0082LI2TA) [![Evercoat Super Build 4:1 Polyester Primer Surfacer for Aluminum Fiberglass & More - 128 Fl Oz](https://m.media-amazon.com/images/I/41yQI3yOTLL.jpg)**Evercoat Super Build 4:1 Polyester Primer Surfacer for Aluminum Fiberglass & More - 128 Fl Oz** Evercoat**$135.37**4.0★108 reviews](https://www.amazon.com/dp/B004IQ96DO) [![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Black](https://m.media-amazon.com/images/I/51pmtB41nCL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Black** Evercoat**$126.99**4.2★61 reviews](https://www.amazon.com/dp/B003TQFYGC) [![Sprayable Polyster Primer](https://m.media-amazon.com/images/I/51R+43J6CgS.jpg)**Sprayable Polyster Primer** House of Kolor**$116.27**5.0★6 reviews](https://www.amazon.com/dp/B09481CXWN) [![Evercoat Slick Sand Polyester Primer Surfacer for Fiberglass Wood Surfaces & More - 128 Fl Oz](https://m.media-amazon.com/images/I/51okNLSN2HL.jpg)**Evercoat Slick Sand Polyester Primer Surfacer for Fiberglass Wood Surfaces & More - 128 Fl Oz** Evercoat**$163.16**4.2★101 reviews](https://www.amazon.com/dp/B000Q8EJJO) [![Eastwood Contour Polyester Primer Direct to Metal Surfacer Filling Quart](https://m.media-amazon.com/images/I/51xZfDxeoFL.jpg)**Eastwood Contour Polyester Primer Direct to Metal Surfacer Filling Quart** Eastwood**$69.46**4.4★99 reviews](https://www.amazon.com/dp/B007N6FJXM) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**22% *“Good primer”* **Value For Money**17% *“I find that its cheaper on Amazon than my local stores by several dollars”* **Spray/Flow**10% *“Sprayed on nicely”* **Advertised Vs Actual Product**8% *“Does its job”* **Paint Quality**5% *“High quality paint”* **Durability**5% *“Efficient & Durable”* **Compatibility-Overall**4% *“It can be used in my car”* **Material Quality**4% *“High build polyester primer”* **Ease Of Use**3% *“its easy to knock that down”* **Efficiency**2% *“Does its job”* ### **What buyers complain about ** **Leak-Proof**17% *“Container was damaged and leaking,”* **Spray/Flow**15% *“the can stopped spraying before it was half emptied”* **Ease Of Cleaning**13% *“requires lots of sanding”* **Paint Quality**11% *“You can see all the imperfections, bumps, and edges when this stuff dries”* **Hard Feel**7% *“Hard as a rock”* **Jamming/Clogging**6% *“the can came clogged”* **Quality-Overall**4% *“Low quality nozzle”* **Soft Feel**3% *“is too soft”* **Value For Money**3% *“total waste of money for me”* **Ease Of Use**3% *“I cant even use it”* #### **Top return reasons**- Leak-Proof100%