---
title: "Liquid Rubber — $574K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/liquid-rubber"
last_updated: "2026-08-07T11:58:02.963Z"
locale: en
meta:
description: "Niche score 58/100 · $574K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $574K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Liquid Rubber — $574K/yr Amazon US Niche (2026) - Flapen"
---
# **liquid rubber**
**Worth a look**
Shows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 63Growth 58Conversion 48Competition 63Returns 93Price range 17Avg price 81Brand share 36Review moat 25Quality gap 70
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$83.89**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$574K**
$574K/yr · 179K searches
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Good****+32.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****4,140.56**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Bad****$5.83–$492.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, liquid rubber is a $574K/yr Amazon United States market (179K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in May. Verdict: Worth a look — 58/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **liquid rubber market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$503K–$671K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#157**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**103**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 90%
**Open market**
**13%**
- Liquid Rubber55% - Flex Seal Liquid13% - GORILLA6% - Permatex5% - WANJAO4% - Avenuebool4% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +32.3% search growth over the last 90 days.
8K6KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/liquid-rubber/trend)
## **Top liquid rubber search terms**
- **liquid rubber**97K/yr+28.8%2.4% conv. - **liquid rubber waterproof sealant**48K/yr+39.8%2.9% conv. - **rubber sealant**19K/yr+31.9%2.3% conv. - **liquid rubber sealant**7K/yr+22.4%2.1% conv. - **rubber sealer**3K/yr+54.3%2.7% conv. - **rubber sealant waterproof**4K/yr+42.2%0.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/liquid-rubber/search-terms)
## **Top liquid rubber 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%10%$57K20%$115K30%$172K40%$229K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Gallon**Liquid Rubber**$68.97**4.4★4,134 rev](https://www.amazon.com/dp/B00NI150Z8) [2**Flex Seal Liquid Rubber Coating Sealant Waterproof Flexible Breathable and UV Resistant Roof Repair Basements RV Campers Trailers Marine EPDM Masonry Black 16 oz**Flex Seal Liquid**$18.29**4.5★2,242 rev](https://www.amazon.com/dp/B019PFO4KM) [3**Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Quart**Liquid Rubber**$34.55**4.4★4,134 rev](https://www.amazon.com/dp/B00EIU42QQ) [4**Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 5 Gallon**Liquid Rubber**$199.11**4.4★4,134 rev](https://www.amazon.com/dp/B00YYKJDEQ) [5**Permatex 81158 Black Silicone Adhesive Sealant 3 oz. Tube Pack of 1**Permatex**$5.83**4.6★11,770 rev](https://www.amazon.com/dp/B000AL6WLA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Avenuebool Liquid Electrical Tape 4oz Waterproof Liquid Tape Electrical Insulating Glue with Brush Cap High Temperature Resistant Flexible Rubber Coating for Wires Cables Plug Automotive(Black)**Avenuebool**$9.21**63 rev8mo ago](https://www.amazon.com/dp/B0G1Y8C4HB) [**Matvio Black Liquid Rubber Waterproof Coating 1 Quart | Industrial Grade Foundation & Flat Roof Sealant | Waterproofing Membrane for Concrete Wood & Metal | UV Resistant | Leak Repair Paint**matvio**$21.63**61 rev8mo ago](https://www.amazon.com/dp/B0G1TFBV5L) [**Xinyet 150ml Tool Dip Rubber Coating Rubber Dip for Tools Waterproof Flexible Peelable Protective Coating Black Slip Resistance Breathable for Pliers and Tools DIY Craft**Xinyet**$9.94**57 rev11mo ago](https://www.amazon.com/dp/B0FP55F7WW) [**Rubber Liquid Waterproof Sealant TUFINEIN 53oz/1.5kg Neutral Gray Quick Drying Multi Surface Foundation Leak Repair - Roof Gutters Basement Sealer Waterproof - Indoor & Outdoor Flexible Rubber Paint**Tufinein**$35.36**282 rev1y ago](https://www.amazon.com/dp/B0FCS8532B) [**WANJAO Tool Dip Rubber Coating Liquid Rubber Dip Flexible Peelable Protective Coating Rubber Coating Sealant Waterproof Flexible Slip Resistance for DIY Craft 150g Black Bottle Open Size 1 Inch**WANJAO**$13.42**122 rev1y ago](https://www.amazon.com/dp/B0F8B6M6KH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Matvio Black Liquid Rubber Waterproof Coating 1 Quart | Industrial Grade Foundation & Flat Roof Sealant | Waterproofing Membrane for Concrete Wood & Metal | UV Resistant | Leak Repair Paint**matvio**$21.63**4.0★**▲ 203%**](https://www.amazon.com/dp/B0G1TFBV5L) [**Avenuebool Liquid Electrical Tape 4oz Waterproof Liquid Tape Electrical Insulating Glue with Brush Cap High Temperature Resistant Flexible Rubber Coating for Wires Cables Plug Automotive(Black)**Avenuebool**$9.21**3.9★**▲ 203%**](https://www.amazon.com/dp/B0G1Y8C4HB) [**Liquid Rubber Polyurethane Deck Coating 10X Stronger Than Traditional Deck Paint & Deck Stain Flexible Waterproof Sealant for Wood Concrete & Plywood Smooth Finish Stone Grey 4 Gallon**Liquid Rubber**$266.83**3.9★**▲ 126%**](https://www.amazon.com/dp/B0BTTYV463) [**Liquid Rubber RV Roof Sealant- Professional-Grade Solar Reflective Flexible Waterproof Membrane Coating for EPDM TPO Fiberglass & Aluminum Camper & Travel Trailers- Brilliant White 5 Gallon**Liquid Rubber**$294.59**4.6★**▲ 74%**](https://www.amazon.com/dp/B01EV4EXG2) [**Liquid Rubber Color Roof Sealant- Elastomeric Waterproof Coating for Flat Low-Slope & Metal Roofs Flexible UV-Stable Membrane White 1 Gallon**Liquid Rubber**$70.95**4.5★**▲ 59%**](https://www.amazon.com/dp/B00YYQO4RQ)
**~~View all trending →~~**
## **What buyers say about liquid rubber**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“still reliable is a solid proof of its quality”*
**Advertised Vs Actual Product**10%
*“Works exactly as advertised”*
**Ease Of Use**10%
*“Easy to Use”*
**Efficiency**9%
*“it works great”*
**Adhesion/Stickiness**7%
*“Sticks well”*
**Leak-Proof**6%
*“it has not leaked”*
**Value For Money**5%
*“Great value”*
**Durability**4%
*“Very Durable”*
**Water Resistance**3%
*“This is a great, high quality way to keep your connections waterproof, safe, and secure”*
**Ease Of Cleaning**1%
*“Cleans up pretty easy too for any mess you make”*
### **What buyers complain about **
**Leak-Proof**11%
*“Leaking tube”*
**Functionality-Overall**8%
*“Didnt work as expected”*
**Quality-Overall**7%
*“Garbage product”*
**Ease Of Use**7%
*“unable to use”*
**Adhesion/Stickiness**7%
*“Bad adhesive”*
**Value For Money**6%
*“Kinda expensive, not a lot of coverage,”*
**Ease Of Cleaning**6%
*“A mess”*
**Thickness**5%
*“It was thick”*
**Size-Overall**5%
*“the smaller sized bucket is much smaller than it appears in the picture”*
**Spray/Flow**3%
*“Can spray does not work”*
### **Top return reasons **
**Color**12%
**Advertised Vs Actual Product**11%
**Compatibility-Overall**10%
**Leak-Proof**9%
**Functionality-Overall**7%
**Value For Money**6%
**Adhesion/Stickiness**6%
**Size-Overall**5%
**Defective Material/Parts**4%
**Coverage**4%
## **Common questions**
- **Is liquid rubber profitable to sell on Amazon United States?**
- The niche generates $574K/yr across 27 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +32.3%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the liquid rubber niche?**
- 12 brands and 103 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in liquid rubber?**
- Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Quality-Overall. The return rate is 1.1%.
- **When does demand for liquid rubber peak?**
- Demand peaks in May; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the liquid rubber niche?**
- Listings span $5.83–$492.44; the average listing price is $83.89 (sweet spot $15–$100). The average incumbent carries 4,141 reviews — the moat a new listing must climb.
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