---
title: "Liquid Rubber — £146K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/liquid-rubber"
last_updated: "2026-07-31T14:57:53.651Z"
locale: en
meta:
description: "Niche score 49/100 · £146K/yr market · 227K searches/yr · £17.09 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £146K/yr market · 227K searches/yr · £17.09 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Liquid Rubber — £146K/yr Amazon UK Niche (2026) - Flapen"
---
# **liquid rubber**
**Skip it**
Soft demand (-21.8% this quarter) — this niche doesn't clear our bar today.
Market size 32Growth 14Conversion 47Competition 64Returns 96Price range 76Avg price 80Brand share 31Review moat 25Quality gap 65
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£17.09**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£4.40–£49.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****£146K**
£146K/yr · 227K searches
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****4,471.1**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-21.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, liquid rubber is a £146K/yr Amazon United Kingdom market (227K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 49/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **liquid rubber market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **£171K–£214K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#150**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **87%**
- **Out of stock**
- **6.5%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**118**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 89%
**Open market**
**12%**
- SIRAMICO COATINGS44% - GORILLA31% - ROUJAENIN4% - WEILAOK4% - NoxGule3% - WYCOON2% - Open — no brand owns it (9 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.8% search growth over the last 90 days.
5K3KSpike '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Mar · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/liquid-rubber/trend)
## **Top liquid rubber search terms**
- **liquid rubber**32K/yr-8.4%2.8% conv. - **waterproof paint**27K/yr-14.4%1.7% conv. - **rubber paint**21K/yr-1.4%1.6% conv. - **flex seal**17K/yr+11.9%1.2% conv. - **liquid rubber waterproof sealant**21K/yr-22.0%3.1% conv. - **waterproof paint for outdoors**9K/yr-16.1%1.4% conv. - **gorilla waterproof coat and seal**22K/yr-69.7%10.3% conv. - **liquid rubber paint**5K/yr-6.1%2.5% conv. - **rubberised paint**4K/yr+1.3%1.5% conv. - **gorilla sealant waterproof**8K/yr-43.2%4.1% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/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%4%£6K8%£12K12%£17K16%£23K1101001K10K100K 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**Gorilla Waterproof Coat & Seal Clear 473ml - Weatherproof Liquid Sealant | Stops & Prevents Leaks | For Roof Tiles Brick Wood Metal Concrete Stone Rubber Plastics***GORILLA**£12.34**4.5★2,353 rev](https://www.amazon.co.uk/dp/B0DJD35W9B) [2**Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Clear 1 Litre)**SIRAMICO COATINGS**£17.33**4.5★572 rev](https://www.amazon.co.uk/dp/B0FY42C45D) [3**Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Black 5 Liters)**SIRAMICO COATINGS**£49.93**4.5★407 rev](https://www.amazon.co.uk/dp/B0FF2M86JR) [4**Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Grey 5 Liters)**SIRAMICO COATINGS**£49.29**4.5★407 rev](https://www.amazon.co.uk/dp/B0FF2MKVG2) [5**Gorilla 84756 Waterproof Coat & Seal Black 473ml**GORILLA**£14.30**4.5★2,353 rev](https://www.amazon.co.uk/dp/B09V86J5YD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Liquid Rubber Waterproof Sealant 150 g Elastic and Durable**XINGHUO**£8.41**3 rev6mo ago](https://www.amazon.co.uk/dp/B0GHMRDCSS) [**WYCOON Invisible Waterproof Sealant 1KG Transparent Liquid Sealant for Leak Repair Waterproof Adhesive Coating for Indoor & Outdoor Use Roof Bathroom Shower**WYCOON**£16.63**43 rev6mo ago](https://www.amazon.co.uk/dp/B0GCKWKRXY) [**NoxGule 150g Multi Purpose Rubber Coating Rubber Paint Black Liquid rubber Waterproof Sealant Waterproof Flexible Protective Coating for Pliers and Jewelry Tools (Black-B)**NoxGule**£7.24**13 rev7mo ago](https://www.amazon.co.uk/dp/B0G6YZ33MP) [**Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Clear 1 Litre)**SIRAMICO COATINGS**£17.33**572 rev8mo ago](https://www.amazon.co.uk/dp/B0FY42C45D) [**Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Black 500ml)**SIRAMICO COATINGS**£13.93**572 rev8mo ago](https://www.amazon.co.uk/dp/B0FY46CSHR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Liquid Rubber Waterproof Sealant 150 g Elastic and Durable**XINGHUO**£8.41**3.8★**▲ 245%**](https://www.amazon.co.uk/dp/B0GHMRDCSS) [**WYCOON Invisible Waterproof Sealant 1KG Transparent Liquid Sealant for Leak Repair Waterproof Adhesive Coating for Indoor & Outdoor Use Roof Bathroom Shower**WYCOON**£16.63**4.4★**▲ 221%**](https://www.amazon.co.uk/dp/B0GCKWKRXY) [**Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Clear 500ml)**SIRAMICO COATINGS**£13.92**4.5★**▲ 129%**](https://www.amazon.co.uk/dp/B0FY44DJX8) [**Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Grey 5 Liters)**SIRAMICO COATINGS**£49.29**4.5★**▲ 116%**](https://www.amazon.co.uk/dp/B0FF2MKVG2) [**NoxGule 150g Multi Purpose Rubber Coating Rubber Paint Black Liquid Rubber Waterproof Sealant Flexible Protective Coating for Pliers and Jewelry Tools**NoxGule**£6.77**3.9★**▲ 96%**](https://www.amazon.co.uk/dp/B0FX9M32BC)
**~~View all trending →~~**
## **What buyers say about liquid rubber**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Good product, arrived on time stated”*
**Advertised Vs Actual Product**14%
*“As advertised”*
**Ease Of Use**11%
*“EASY TO USE”*
**Leak-Proof**10%
*“No leak”*
**Water Resistance**7%
*“Fully waterproof”*
**Value For Money**6%
*“Good price”*
**Efficiency**5%
*“Really does work”*
**Paint Quality**3%
*“the finish is clean”*
**Adhesion/Stickiness**3%
*“It is great tape”*
**Strength**1%
*“Strong tape”*
### **What buyers complain about **
**Adhesion/Stickiness**18%
*“Its sticky”*
**Leak-Proof**17%
*“Did not stop leak”*
**Value For Money**7%
*“Its not the cheapest option”*
**Functionality-Overall**5%
*“Did Not Work”*
**Thickness**5%
*“The liquid is quite thin”*
**Water Resistance**5%
*“Definitely not water resistant”*
**Ease Of Use**3%
*“Bit messy to apply”*
**Advertised Vs Actual Product**3%
*“Not as described”*
**Quality-Overall**2%
*“The brushes aren't amazing quality”*
**Ease Of Cleaning**2%
*“dont even think about trying to clean them”*
### **Top return reasons **
**Color**23%
**Adhesion/Stickiness**11%
**Functionality-Overall**10%
**Size-Overall**9%
**Leak-Proof**8%
**Paint Quality**6%
**Advertised Vs Actual Product**6%
**Maintenance And Repair**4%
**Compatibility-Overall**4%
**Water Resistance**3%
## **Common questions**
- **Is liquid rubber profitable to sell on Amazon United Kingdom?**
- The niche generates £146K/yr across 31 tracked products. 5 of 11 products launched in the last 360 days are still selling. 90-day search growth is -21.8%. Flapen's verdict: Skip it (49/100).
- **How competitive is the liquid rubber niche?**
- 15 brands and 118 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in liquid rubber?**
- Top complaints mined from reviews: Adhesion/Stickiness, Leak-Proof, Value For Money. The return rate is 0.8%.
- **When does demand for liquid rubber peak?**
- Demand peaks in Feb–Mar; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the liquid rubber niche?**
- Listings span £4.40–£49.93; the average listing price is £17.09 (sweet spot $15–$100). The average incumbent carries 4,471 reviews — the moat a new listing must climb.
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