---
title: "Roof Sealant — £0/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/roof-sealant"
last_updated: "2026-07-31T14:15:15.315Z"
locale: en
meta:
description: "Niche score 47/100 · £0/yr market · 22K searches/yr · £38.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £0/yr market · 22K searches/yr · £38.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Roof Sealant — £0/yr Amazon UK Niche (2026) - Flapen"
---
# **roof sealant**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 12Conversion 0Competition 80Returns 100Price range 54Avg price 95Brand share 52Review moat 85Quality gap 60
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****£38.53**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****290.4**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£12.97–£171.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-25.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£0**
£0/yr · 22K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, roof sealant is a £0/yr Amazon United Kingdom market (22K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Sep. Verdict: Skip it — 47/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **roof sealant market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **£39K–£48K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#126**
- **Page quality**
- **0%**
- **Prime**
- **20%**
- **Sponsored**
- **77%**
- **Out of stock**
- **78.6%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**14 **▲rising
**Sellers**
**52**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**35%**
Top 20: 83%
**Open market**
**21%**
- SIRAMICO COATINGS36% - ARA CHOICE14% - KoverTek9% - Acrypol8% - UK PAINT6% - TekCryl5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -25.1% search growth over the last 90 days.
700500Spike '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/roof-sealant/trend)
## **Top roof sealant search terms**
- **cromapol acrylic roof coating grey**9K/yr-33.0%1.2% conv. - **cromapol**7K/yr-16.4%0.2% conv. - **cromapol acrylic roof coating**6K/yr-20.7%0.7% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/roof-sealant/search-terms)
## **Top roof sealant 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%3%£06%£09%£012%£01101001K10K 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**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) [2**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) [3**Emergency Roof Repair 5 yr Material Guarantee Fast Fix TekCryl (Grey) 5 kg**KoverTek**£35.11**4.4★93 rev](https://www.amazon.co.uk/dp/B01J83SYW0) [4**Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Clear 5 Liters)**SIRAMICO COATINGS**£49.25**4.5★407 rev](https://www.amazon.co.uk/dp/B0FF2KLN94) [5**Waterproofing Leaking ROOF Repair Coating Grey Single Coat. TekCryl 5kg Acrylic (5yr Material Warranty)**TekCryl**£34.99**4.4★53 rev](https://www.amazon.co.uk/dp/B015OV6MKG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**COATERA ROOF-COAT FIBER Reinforced Silicone Waterproofing Internal Fibre-Tech Membrane Permanent Ponding Water Resistance and LEAK STOP Repairs Cracks Without Mesh Grey - 1kg**COATERA**£16.70**18 rev4mo ago](https://www.amazon.co.uk/dp/B0GTGCP4RL) [**COATERA ROOF-COAT FIBER Reinforced Silicone Waterproofing Internal Fibre-Tech Membrane Permanent Ponding Water Resistance - LEAK STOP Repairs Cracks Without Mesh Grey - 4.7kg**COATERA**£55.97**18 rev4mo ago](https://www.amazon.co.uk/dp/B0GTG8SNN1) [**Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Grey 1 Litre)**SIRAMICO COATINGS**£17.55**572 rev8mo ago](https://www.amazon.co.uk/dp/B0FY442Q7C) [**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)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**UK PAINT - Acrylic Roof Paint - 5L - Dark Grey**UK PAINT**£34.97**3.4★**▲ 153%**](https://www.amazon.co.uk/dp/B08LW169FY) [**COATERA ROOF-COAT FIBER Reinforced Silicone Waterproofing Internal Fibre-Tech Membrane Permanent Ponding Water Resistance and LEAK STOP Repairs Cracks Without Mesh Grey - 1kg**COATERA**£16.70**4.6★**▲ 151%**](https://www.amazon.co.uk/dp/B0GTGCP4RL) [**COATERA ROOF-COAT FIBER Reinforced Silicone Waterproofing Internal Fibre-Tech Membrane Permanent Ponding Water Resistance - LEAK STOP Repairs Cracks Without Mesh Grey - 4.7kg**COATERA**£55.97**4.6★**▲ 151%**](https://www.amazon.co.uk/dp/B0GTG8SNN1) [**Instant roof Repair Fast fix (5yr Guarantee) Grey TekCryl 20kg Acrylic**KoverTek**£103.35**4.6★**▲ 111%**](https://www.amazon.co.uk/dp/B015OTPQXW) [**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**4.5★**▲ 88%**](https://www.amazon.co.uk/dp/B0FY43LKJH)
**~~View all trending →~~**
## **What buyers say about roof sealant**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Good product, arrived on time stated”*
**Advertised Vs Actual Product**14%
*“to my surprise it is better than advertised”*
**Ease Of Use**12%
*“EASY TO USE”*
**Leak-Proof**12%
*“No leak”*
**Value For Money**8%
*“Good price”*
**Water Resistance**6%
*“Waterproof”*
**Paint Quality**5%
*“Good quality paint”*
**Efficiency**3%
*“Bought to coat over pebbledash did a great job very effective”*
**Adhesion/Stickiness**2%
*“It adheres well”*
**Durability**1%
*“Its good, easy to use very durable bit like treacle, It covered what I need it for”*
### **What buyers complain about **
**Adhesion/Stickiness**15%
*“Its sticky”*
**Leak-Proof**11%
*“During the week I checked for leaks and they were still there and had somehow worsened”*
**Thickness**9%
*“When it settles it thins itself out”*
**Value For Money**8%
*“I can't consider it good value”*
**Ease Of Use**6%
*“only downside quite difficult to apply”*
**Paint Quality**3%
*“7 days after the initial painting on of this, it was still malleable”*
**Smell**3%
*“Stinky”*
**Ease Of Cleaning**2%
*“As many have said it's messy, and eats brushes”*
**Quality-Overall**2%
*“Garbage all round poor quality”*
**Instructions/User Manual/Troubleshooting**2%
*“the product seems to work though as I said needed some real video guidance on application after applying I learnt a thing or two”*
### **Top return reasons **
**Color**34%
**Paint Quality**14%
**Leak-Proof**13%
**Size-Overall**6%
**Maintenance And Repair**6%
**Advertised Vs Actual Product**4%
**Functionality-Overall**4%
**Compatibility-Overall**3%
**Product Condition**2%
**Value For Money**2%
## **Common questions**
- **Is roof sealant profitable to sell on Amazon United Kingdom?**
- The niche generates £0/yr across 30 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -25.1%. Flapen's verdict: Skip it (47/100).
- **How competitive is the roof sealant niche?**
- 14 brands and 52 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in roof sealant?**
- Top complaints mined from reviews: Adhesion/Stickiness, Leak-Proof, Thickness. The return rate is 0.1%.
- **When does demand for roof sealant peak?**
- Demand peaks in Sep; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the roof sealant niche?**
- Listings span £12.97–£171.41; the average listing price is £38.53 (sweet spot $15–$100). The average incumbent carries 290 reviews — the moat a new listing must climb.
## **Related niches in DIY & Tools**
- 68 [**cardboard cutter**](https://flapen.com/research/uk/diy-tools/cardboard-cutter)£343K/yr+30.6%**Worth a look**- 68 [**door canopy**](https://flapen.com/research/uk/diy-tools/door-canopy)£202K/yr+187.7%**Worth a look**- 68 [**fence post repair**](https://flapen.com/research/uk/diy-tools/fence-post-repair)£359K/yr-8.2%**Worth a look**- 68 [**cat window guard**](https://flapen.com/research/uk/diy-tools/cat-window-guard)£98K/yr+413.1%**Worth a look**- 68 [**sun shade**](https://flapen.com/research/uk/diy-tools/sun-shade)£202K/yr+187.7%**Worth a look**- 69 [**brass hose connector**](https://flapen.com/research/uk/diy-tools/brass-hose-connector)£66K/yr+122.8%**Worth a look**[**All DIY & Tools niches **](https://flapen.com/research/uk/diy-tools)