---
title: "Fiberglass Tub Repair Kit — $908K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/fiberglass-tub-repair-kit"
last_updated: "2026-08-09T03:18:02.783Z"
locale: en
meta:
description: "Niche score 56/100 · $908K/yr market · 385K searches/yr · $26.08 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $908K/yr market · 385K searches/yr · $26.08 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Fiberglass Tub Repair Kit — $908K/yr Amazon US Niche (2026) - Flapen"
---
# **fiberglass tub repair kit**
**Launch it**
A $908K/yr market growing +2.3% this quarter with returns at 1.7% — clears our launch bar.
Market size 76Growth 28Conversion 83Competition 20Returns 81Price range 53Avg price 95Brand share 30Review moat 56Quality gap 82
**Avg price**
**Incredible****$26.08**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.7%**
return rate — above 5% kills the launch gate
**Market size**
**Great****$908K**
$908K/yr · 385K searches
**Review moat**
**Good****1,246.46**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$9.76–$168.69**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+2.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, fiberglass tub repair kit is a $908K/yr Amazon United States market (385K searches/yr). The top 5 brands hold 87% of demand. Verdict: Launch it — 56/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fiberglass tub repair kit market data**
- **Units sold / yr**
- **30K–40K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$782K–$1.0M**
- units × avg price
- **Conversion rate**
- **9.0%**
- **Avg BSR**
- **#531**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **100%**
- **Out of stock**
- **14.1%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **—flat
**Sellers**
**13**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**10%**
- Ankita48% - Globalcom18% - FENFANDAS10% - Auensten6% - Endhokn5% - Afcancihe3% - Open — no brand owns it (4 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.3% search growth over the last 90 days.
8K6KPrime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/fiberglass-tub-repair-kit/trend)
## **Top fiberglass tub repair kit search terms**
- **fiberglass tub repair kit**70K/yr+0.1%6.8% conv. - **bathtub repair kit**55K/yr+12.3%6.3% conv. - **tub repair kit**49K/yr+11.8%7.4% conv. - **fiberglass shower repair kit**23K/yr+8.5%7.2% conv. - **tub repair kit white**22K/yr-11.0%9.3% conv. - **shower repair kit**16K/yr-0.9%4.8% conv. - **bathtub repair kit white**17K/yr-7.4%8.5% conv. - **acrylic tub repair kit**16K/yr-7.1%7.3% conv. - **bathtub patch kit**14K/yr+21.2%5.9% conv. - **bath tub repair kit**13K/yr-12.0%7.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/fiberglass-tub-repair-kit/search-terms)
## **Top fiberglass tub repair kit products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$136K30%$272K45%$409K60%$545K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Tub Repair Kit White Tub Chip and Bathtub Repair Kit for Enamel Fiberglass Acrylic Porcelain Patch and Repairs Chips Crack Scratches Rust Holes on Tubs Toilet Sink Shower Tray in Bathroom**Ankita**$18.02**4.3★1,627 rev](https://www.amazon.com/dp/B0CRTNP23M) [2**Tub and Shower Repair Kit White Fiberglass Tub and Porcelain Repair Kit Acrylic Enamel Ceramics Tile Toilet and Sink Repair Kit Repair cracks fragments holes and pits Bathtub Repair Kit White**FENFANDAS**$15.76**4.4★470 rev](https://www.amazon.com/dp/B0DSB7WRR3) [3**Tub Repair Kit White Fiberglass Shower tub and Porcelain Sink Repair Kit Acrylic Enamel Ceramics Tile Toilet and Shower Bath Repair Kit Repair Cracks Fragments Holes and pits**Globalcom**$15.98**4.2★489 rev](https://www.amazon.com/dp/B0DG8YQK6X) [4**Tub and Fiberglass Shower Repair Kit (Color Match) 3.7oz Porcelain Repair Kit Porcelain Sink and Acrylic Bathtub Repair Kit White for Cracks Chips Dents Holes Almond/Biscuit/Bone**Globalcom**$16.76**4.2★1,779 rev](https://www.amazon.com/dp/B09BZK2DML) [5**Fiberglass Tub Repair Kit (Color Match) Fiberglass Shower and Acrylic Bathtub Repair Kit for Chips Cracks Holes on Porcelain Sink Almond Enamel Bath Tub Ceramic Tile Tub Surround & Shower Repair**Ankita**$15.34**4.2★311 rev](https://www.amazon.com/dp/B0CRTMJXX1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Bath Tub Repair Kit White FiberglassTub and Shower Repair Kit for Porcelain Sink Acrylic Bathtub Tile and Toilet Color Match Filler for Chips Cracks Dents Holes Almond Biscuit Bone (White)**Auensten**$11.65**17 rev1mo ago](https://www.amazon.com/dp/B0GJ51LTTJ) [**Bath Tub Repair Kit Fiberglass Tile and Shower Repair Kit Porcelain Repair Kit Bathtub Repair Kit Repair Chips Dents Cracks Scratches from Ceramic Marble Quartz Resin Acrylic**Auensten**$11.94**19 rev3mo ago](https://www.amazon.com/dp/B0GJ51K1PS) [**Bondtech Porcelain Repair Kit White Bathtub & Tile Repair Kit for Tub Enamel Fiberglass Acrylic Porcelain Ceramic Marble Granite Chips Dents Cracks Hole (100)**Bondtech**$11.73**21 rev4mo ago](https://www.amazon.com/dp/B0GS1KQNG9) [**White Bathtub Repair Kit - Permanent Chip & Crack Fix 1pcs**Afcancihe**$10.36**85 rev1y ago](https://www.amazon.com/dp/B0FHC4DFJP) [**Tub and Shower Repair Kit White Fiberglass Tub and Porcelain Repair Kit Acrylic Enamel Ceramics Tile Toilet and Sink Repair Kit Repair cracks fragments holes and pits Bathtub Repair Kit White**FENFANDAS**$15.76**470 rev1y ago](https://www.amazon.com/dp/B0DSB7WRR3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Bath Tub Repair Kit White FiberglassTub and Shower Repair Kit for Porcelain Sink Acrylic Bathtub Tile and Toilet Color Match Filler for Chips Cracks Dents Holes Almond Biscuit Bone (White)**Auensten**$11.65**5.0★**▲ 248%**](https://www.amazon.com/dp/B0GJ51LTTJ) [**Bondtech Porcelain Repair Kit White Bathtub & Tile Repair Kit for Tub Enamel Fiberglass Acrylic Porcelain Ceramic Marble Granite Chips Dents Cracks Hole (100)**Bondtech**$11.73**3.8★**▲ 245%**](https://www.amazon.com/dp/B0GS1KQNG9) [**Bath Tub Repair Kit Fiberglass Tile and Shower Repair Kit Porcelain Repair Kit Bathtub Repair Kit Repair Chips Dents Cracks Scratches from Ceramic Marble Quartz Resin Acrylic**Auensten**$11.94**3.5★**▲ 244%**](https://www.amazon.com/dp/B0GJ51K1PS) [**DWIL Tub and Tile Paint White Touch Up Paint for Porcelain Scratches Cracks and Spots on Tile Porcelain Repair Kit for Bathtub Sinks Enamel and Toilets 1.5 Fl Oz(White)**DWIL**$9.76**4.0★**▲ 97%**](https://www.amazon.com/dp/B0D6VQXQ6C) [**Tub Repair Kit White Fiberglass Shower tub and Porcelain Sink Repair Kit Acrylic Enamel Ceramics Tile Toilet and Shower Bath Repair Kit Repair Cracks Fragments Holes and pits**Globalcom**$15.98**4.2★**▲ 50%**](https://www.amazon.com/dp/B0DG8YQK6X)
**~~View all trending →~~**
## **What buyers say about fiberglass tub repair kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**17%
*“making it very convenient”*
**Efficiency**11%
*“Works well on chips”*
**Quality-Overall**10%
*“Overall, it did what I needed it to do, and I was pleased with the results”*
**Advertised Vs Actual Product**10%
*“as advertised”*
**Color**8%
*“Perfect color”*
**Maintenance And Repair**6%
*“Repair worked great”*
**Instructions/User Manual/Troubleshooting**5%
*“The instructions are easy to follow”*
**Value For Money**3%
*“Great deal”*
**Durability**2%
*“Seems durable”*
**Functionality-Overall**2%
*“Got the job done”*
### **What buyers complain about **
**Color**15%
*“Turns yellow”*
**Functionality-Overall**11%
*“Doesnt work well”*
**Paint Quality**9%
*“Peeling paint”*
**Size-Overall**6%
*“Small bottle”*
**Ease Of Use**6%
*“Difficult to use”*
**Quality-Overall**6%
*“Not a quality product”*
**Adhesion/Stickiness**4%
*“the repair peeled off when I removed the provided tape”*
**Durability**4%
*“It almost immediately broke down”*
**Ease Of Cleaning**3%
*“I made a mess”*
**Instructions/User Manual/Troubleshooting**2%
*“The instructions dont clearly specify how much of each product to use”*
### **Top return reasons **
**Color**24%
**Maintenance And Repair**14%
**Paint Quality**13%
**Functionality-Overall**12%
**Size-Overall**6%
**Advertised Vs Actual Product**6%
**Defective Material/Parts**5%
**Value For Money**4%
**Adhesion/Stickiness**2%
**Product Condition**2%
## **Common questions**
- **Is fiberglass tub repair kit profitable to sell on Amazon United States?**
- The niche generates $908K/yr across 13 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +2.3%. Flapen's verdict: Launch it (56/100).
- **How competitive is the fiberglass tub repair kit niche?**
- 10 brands and 13 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in fiberglass tub repair kit?**
- Top complaints mined from reviews: Color, Functionality-Overall, Paint Quality. The return rate is 1.7%.
- **When does demand for fiberglass tub repair kit peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the fiberglass tub repair kit niche?**
- Listings span $9.76–$168.69; the average listing price is $26.08 (sweet spot $15–$100). The average incumbent carries 1,246 reviews — the moat a new listing must climb.
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