---
title: "Fabsil Waterproofer — £159K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/fabsil-waterproofer"
last_updated: "2026-08-09T09:05:05.696Z"
locale: en
meta:
description: "Niche score 49/100 · £159K/yr market · 116K searches/yr · £16.25 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £159K/yr market · 116K searches/yr · £16.25 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Fabsil Waterproofer — £159K/yr Amazon UK Niche (2026) - Flapen"
---
# **fabsil waterproofer**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 33Growth 61Conversion 81Competition 34Returns 98Price range 65Avg price 78Brand share 0Review moat 25Quality gap 37
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£16.25**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£7.54–£29.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+37.5%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****£159K**
£159K/yr · 116K searches
**Review moat**
**Bad****4,705.2**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, fabsil waterproofer is a £159K/yr Amazon United Kingdom market (116K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Sep. Verdict: Skip it — 49/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fabsil waterproofer market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **£130K–£163K**
- units × avg price
- **Conversion rate**
- **8.4%**
- **Avg BSR**
- **#41**
- **Page quality**
- **0%**
- **Prime**
- **80%**
- **Sponsored**
- **33%**
- **Out of stock**
- **4.1%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▼falling
**Sellers**
**55**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**0%**
- Fabsil77% - 303 Products18% - Granger's3% - Pro-Kleen2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +37.5% search growth over the last 90 days.
4K3KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Sep · busiest ÷ quietest = 2.9×
[**Open Trend **](https://flapen.com/research/uk/automotive/fabsil-waterproofer/trend)
## **Top fabsil waterproofer search terms**
- **fabsil**37K/yr+65.2%8.0% conv. - **303 aerospace protectant**15K/yr+100.3%2.9% conv. - **uv spray for outdoor artificial plants**12K/yr+73.4%1.6% conv. - **fabsil universal protector**8K/yr+83.9%10.4% conv. - **fabsil waterproofer**27K/yr-54.1%7.4% conv. - **uv protection spray**6K/yr+73.7%1.5% conv. - **303 protectant spray**3K/yr-30.9%3.0% conv. - **uv spray**2K/yr+83.3%1.2% conv. - **303 protectant**3K/yr+49.1%3.3% conv. - **fabsil waterproof spray**3K/yr-18.8%7.5% conv. [**All search terms **](https://flapen.com/research/uk/automotive/fabsil-waterproofer/search-terms)
## **Top fabsil waterproofer 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%£16K20%£32K30%£48K40%£63K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fabsil GRFAB41 Aerosol Spray on Proofer - 600ml Packaging may vary**Fabsil**£7.54**4.4★5,555 rev](https://www.amazon.co.uk/dp/B000XY9NVU) [2**FABSIL +UV WATER PROOFER 2.5LTR Black**Fabsil**£16.68**4.6★2,541 rev](https://www.amazon.co.uk/dp/B000XY5ZHG) [3**Fabsil GRA-FAB49 Waterproofer for Tents - Black 5 Litre**Fabsil**£25.94**4.6★2,541 rev](https://www.amazon.co.uk/dp/B000XY27KE) [4**Fabsil UK 2.5L Universal Protector Silicone Liquid Waterproofing Treatment Clear Tent & Awning**Fabsil**£18.48**4.5★172 rev](https://www.amazon.co.uk/dp/B008H39EJU) [5**303 Products 30382 Automotive Protectant 16oz**303 Products**£13.24**4.6★15,512 rev](https://www.amazon.co.uk/dp/B0185PU38A)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fabsil Tent + Awning Cleaner | 1L | Powerful water-based cleaner for all tents and awnings**Fabsil**£8.63**130 rev3y ago](https://www.amazon.co.uk/dp/B0BKTKTZXJ) [**GRANGERS FABSIL UV PROTECTION 5 LITRE**Fabsil**£29.12**43 rev10y ago](https://www.amazon.co.uk/dp/B00843G504) [**Pro-Kleen Marine UV Protectant Spray for Vinyl Plastic Rubber Fiberglass Leather & More Dust and Dirt Repellant(1 x 1 Litre)**Pro-Kleen**£10.51**110 rev10y ago](https://www.amazon.co.uk/dp/B07C9FGSVB) [**GRANGERS 600ml Fabsil Aerosol Black One Size**Granger's**£10.15**88 rev10y ago](https://www.amazon.co.uk/dp/B017CH0PS0) [**303 Products 30382 Automotive Protectant 16oz**303 Products**£13.24**15,512 rev10y ago](https://www.amazon.co.uk/dp/B0185PU38A)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fabsil GRA-FAB49 Waterproofer for Tents - Black 5 Litre**Fabsil**£25.94**4.6★**▲ 72%**](https://www.amazon.co.uk/dp/B000XY27KE) [**Pro-Kleen Marine UV Protectant Spray for Vinyl Plastic Rubber Fiberglass Leather & More Dust and Dirt Repellant(1 x 1 Litre)**Pro-Kleen**£10.51**4.3★**▲ 64%**](https://www.amazon.co.uk/dp/B07C9FGSVB) [**303 Products 30307 Aerospace Protectant Trigger Spray UV Ray Protector 296 ml white**303 Products**£12.30**4.4★**▲ 60%**](https://www.amazon.co.uk/dp/B00J8NKGSG) [**303 Marine Aerospace Protectant - 16oz**303 Products**£15.53**4.6★**▲ 59%**](https://www.amazon.co.uk/dp/B0004ELKC4) [**303 Marine Aerospace Protectant - 32oz 30306**303 Products**£21.61**4.7★**▲ 48%**](https://www.amazon.co.uk/dp/B000XBCURW)
**~~View all trending →~~**
## **What buyers say about fabsil waterproofer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**41%
*“Best on the market”*
**Value For Money**13%
*“Great value”*
**Water Resistance**8%
*“This stuff works well for waterproofing awnings so all good there”*
**Ease Of Use**8%
*“Find this product easy to use”*
**Advertised Vs Actual Product**7%
*“As described”*
**Paint Quality**6%
*“Found it easy to pour into a container and used a paintbrush to apply - pretty easy and straightforward and happy with this product”*
**Ease Of Cleaning**4%
*“I bought to clean the fenders on my boat it is eally effective”*
**Efficiency**3%
*“Works really well”*
**Spray/Flow**1%
*“Great for spraying on my artificial flower baskets keeps them looking like new longer especially in bad weather”*
**Protection**1%
*“Great tent proofer”*
### **What buyers complain about **
**Water Resistance**19%
*“and water now literally runs off”*
**Value For Money**14%
*“Maybe expensive”*
**Leak-Proof**13%
*“Also it had leaked in the post so only half full”*
**Design-Overall**7%
*“This is laughably bad product design”*
**Weather Proof**7%
*“The rain is still coming through my awning”*
**Material Quality**7%
*“Material dealrr”*
**Spray/Flow**6%
*“Worst waterproofing spray I've ever used”*
**Functionality-Overall**6%
*“Doesn't work”*
**Smell**5%
*“No after smells of sickness”*
**Breathability**3%
*“Probably affects breathability of clothing”*
### **Top return reasons **
**Leak-Proof**19%
**Advertised Vs Actual Product**15%
**Color**12%
**Functionality-Overall**12%
**Material Quality**11%
**Compatibility-Overall**6%
**Water Resistance**5%
**Spray/Flow**4%
**Rusts/Corrodes**2%
**Size-Overall**2%
## **Common questions**
- **Is fabsil waterproofer profitable to sell on Amazon United Kingdom?**
- The niche generates £159K/yr across 15 tracked products. 90-day search growth is +37.5%. Flapen's verdict: Skip it (49/100).
- **How competitive is the fabsil waterproofer niche?**
- 4 brands and 55 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in fabsil waterproofer?**
- Top complaints mined from reviews: Water Resistance, Value For Money, Leak-Proof. The return rate is 0.4%.
- **When does demand for fabsil waterproofer peak?**
- Demand peaks in Apr–May–Jun–Sep; the busiest month runs 2.9× the quietest.
- **What does it cost to enter the fabsil waterproofer niche?**
- Listings span £7.54–£29.12; the average listing price is £16.25 (sweet spot $15–$100). The average incumbent carries 4,705 reviews — the moat a new listing must climb.
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