---
title: "Transparent Waterproof Coating Agent — £25K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/transparent-waterproof-coating-agent"
last_updated: "2026-07-31T10:54:39.940Z"
locale: en
meta:
description: "Niche score 48/100 · £25K/yr market · 37K searches/yr · £12.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £25K/yr market · 37K searches/yr · £12.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Transparent Waterproof Coating Agent — £25K/yr Amazon UK Niche (2026) - Flapen"
---
# **transparent waterproof coating agent**
**Skip it**
Soft demand (-40.3% this quarter) — this niche doesn't clear our bar today.
Market size 6Growth 5Conversion 62Competition 58Returns 96Price range 25Avg price 55Brand share 77Review moat 58Quality gap 76
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****58%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****5.5%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****1,173.87**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****£12.65**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£6.32–£17.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£25K**
£25K/yr · 37K searches
**Growth**
**Bad****-40.3%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United Kingdom niche tracking, transparent waterproof coating agent is a £25K/yr Amazon United Kingdom market (37K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 48/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **transparent waterproof coating agent market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£19K–£25K**
- units × avg price
- **Conversion rate**
- **5.5%**
- **Avg BSR**
- **#307**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **94%**
- **Out of stock**
- **8.4%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**117**
**Top-5 brand share**
**58%**
Top 20: 98%
**Top-5 click share**
**50%**
Top 20: 89%
**Open market**
**36%**
- Tufinein15% - GORILLA14% - ROUJAENIN12% - WYCOON9% - cinqite7% - SCNK7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -40.3% search growth over the last 90 days.
3K2KSpike '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/transparent-waterproof-coating-agent/trend)
## **Top transparent waterproof coating agent search terms**
- **invisible waterproof agent**6K/yr-31.9%6.9% conv. - **waterproof paint sealant**5K/yr-28.4%3.6% conv. - **waterproof sealant paint**5K/yr-49.9%4.2% conv. - **waterproofing sealant**5K/yr-20.9%2.2% conv. - **waterproof coating**5K/yr-32.6%2.4% conv. - **transparent waterproof coating**3K/yr-50.8%5.9% conv. - **jaysuing invisible waterproof agent**6K/yr-71.7%11.8% conv. - **transparent waterproof adhesive**1K/yr-19.7%2.0% conv. - **transparent waterproof coating agent**669/yr-4.3%5.2% conv. - **waterproof insulation sealant**791/yr-86.1%0.0% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/transparent-waterproof-coating-agent/search-terms)
## **Top transparent waterproof coating agent 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%£1K8%£2K12%£3K16%£4K1101001K10K 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**300g Invisible Waterproof Sealant Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent For Roof Bathroom Patio Sealer Outdoor Indoor**ROUJAENIN**£8.86**4.2★796 rev](https://www.amazon.co.uk/dp/B0D6BFDS2G) [3**Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (300 G)**Tufinein**£7.64**4.4★4,231 rev](https://www.amazon.co.uk/dp/B0F9XKLF22) [4**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★43 rev](https://www.amazon.co.uk/dp/B0GCKWKRXY) [5**300g Transparent Waterproof Coating Agent Invisible Anti-Leakage Bonding Adhesive Sealant for Roofs Invisible Waterproof Agent Transparent Insulation Sealant for Outdoor Home Bathroom Toilet**cinqite**£8.35**3.9★79 rev](https://www.amazon.co.uk/dp/B0F1486LXM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Invisible Waterproof Agent 1KG | Transparent Sealant for Bathroom Shower Concrete & Roof Indoor/Outdoor Use**PIBEIBUK**£17.90**103 rev4mo ago](https://www.amazon.co.uk/dp/B0FKN7HQK4) [**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) [**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 (Grey 500ml)**SIRAMICO COATINGS**£13.98**572 rev8mo ago](https://www.amazon.co.uk/dp/B0FY43LKJH) [**Liquid Waterproof Sealant 35oz Transparent Waterproof Coating Water-Based Invisible Repairing Leak Agent Roofs Walls Bathroom Kitchen Indoor & Outdoor**STARTSO WORLD**£16.09**222 rev9mo ago](https://www.amazon.co.uk/dp/B0FJLQ9L9K)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Invisible Waterproof Agent 1KG | Transparent Sealant for Bathroom Shower Concrete & Roof Indoor/Outdoor Use**PIBEIBUK**£17.90**4.4★**▲ 490%**](https://www.amazon.co.uk/dp/B0FKN7HQK4) [**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★**▲ 355%**](https://www.amazon.co.uk/dp/B0GCKWKRXY) [**SCNK 1000g Transparent Waterproof Coating Agent Super Strong Waterproof Insulating Sealant Invisible Waterproofing Sealant for Roofs Walls Indoor and Outdoor Use**SCNK**£17.08**4.4★**▲ 301%**](https://www.amazon.co.uk/dp/B0DWRP7LPQ) [**Tapel CrystalClear 500% Elastic Waterproof Coating - 0.5L - Self-Leveling Liquid Rubber Sealant for Roofs/Pools/Bathrooms - UV-Resistant & -40F to 300F - Professional Leak Repair**Tapel**£10.40**4.1★**▲ 255%**](https://www.amazon.co.uk/dp/B0F8BMB95N) [**Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (500 G)**Tufinein**£9.91**4.4★**▲ 188%**](https://www.amazon.co.uk/dp/B0F9XHCLZT)
**~~View all trending →~~**
## **What buyers say about transparent waterproof coating agent**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“A good clear product”*
**Advertised Vs Actual Product**13%
*“Works as promised”*
**Water Resistance**11%
*“Easy waterproofing”*
**Ease Of Use**10%
*“Easy to use”*
**Leak-Proof**9%
*“the water no longer leaks out”*
**Value For Money**8%
*“Great value for money”*
**Efficiency**5%
*“Does the job”*
**Paint Quality**3%
*“the finish is clean”*
**Maintenance And Repair**1%
*“Great value for a quick fix”*
**Strength**1%
*“The strong, durable seal gives us confidence it will last”*
### **What buyers complain about **
**Leak-Proof**17%
*“Had a leak we could not detect where it was coming in from”*
**Value For Money**9%
*“Its not the cheapest option”*
**Adhesion/Stickiness**6%
*“The biggest difference in results comes down to preparation—if the surface isnt clean and dry beforehand, the adhesion isnt nearly as strong”*
**Functionality-Overall**6%
*“Did Not Work”*
**Thickness**5%
*“I was a bit concerned that it was thick enough”*
**Color**4%
*“It's a yellowy brown”*
**Size-Overall**4%
*“This is a tiny tin”*
**Quality-Overall**3%
*“The brushes aren't amazing quality”*
**Ease Of Use**3%
*“Bit messy to apply”*
**Water Resistance**3%
*“But It doesnt provides good waterproof protection”*
### **Top return reasons **
**Size-Overall**21%
**Color**12%
**Functionality-Overall**10%
**Leak-Proof**9%
**Defective Material/Parts**7%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**5%
**Water Resistance**4%
**Maintenance And Repair**3%
**Value For Money**3%
## **Common questions**
- **Is transparent waterproof coating agent profitable to sell on Amazon United Kingdom?**
- The niche generates £25K/yr across 31 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is -40.3%. Flapen's verdict: Skip it (48/100).
- **How competitive is the transparent waterproof coating agent niche?**
- 22 brands and 117 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 58% of demand.
- **What do buyers complain about in transparent waterproof coating agent?**
- Top complaints mined from reviews: Leak-Proof, Value For Money, Adhesion/Stickiness. The return rate is 0.8%.
- **When does demand for transparent waterproof coating agent peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the transparent waterproof coating agent niche?**
- Listings span £6.32–£17.90; the average listing price is £12.65 (sweet spot $15–$100). The average incumbent carries 1,174 reviews — the moat a new listing must climb.
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