---
title: "Fire Cement — £106K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/fire-cement"
last_updated: "2026-07-31T10:53:03.395Z"
locale: en
meta:
description: "Niche score 43/100 · £106K/yr market · 79K searches/yr · £8.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £106K/yr market · 79K searches/yr · £8.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Fire Cement — £106K/yr Amazon UK Niche (2026) - Flapen"
---
# **fire cement**
**Skip it**
Soft demand (-41.6% this quarter) — this niche doesn't clear our bar today.
Market size 26Growth 4Conversion 98Competition 34Returns 97Price range 48Avg price 22Brand share 21Review moat 66Quality gap 53
**Conversion**
**Incredible****16.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****871.19**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£3.72–£25.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****£106K**
£106K/yr · 79K searches
**Avg price**
**Bad****£8.04**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-41.6%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, fire cement is a £106K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 43/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fire cement market data**
- **Units sold / yr**
- **13K–15K**
- avg 750–1,000/product
- **Revenue / yr**
- **£101K–£121K**
- units × avg price
- **Conversion rate**
- **16.7%**
- **Avg BSR**
- **#541**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **56%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▼falling
**Sellers**
**61**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**3%**
- VITCAS50% - Bostik21% - OB18% - professional soma fix7% - Sika6% - Decorator's Friend5% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -41.6% search growth over the last 90 days.
3K2KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 4.3×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/fire-cement/trend)
## **Top fire cement search terms**
- **fire cement**39K/yr-35.7%14.3% conv. - **fire cement for wood burning stove**20K/yr-53.1%18.6% conv. - **vitcas fire cement**5K/yr-30.3%14.7% conv. - **fire clay**3K/yr-15.1%5.9% conv. - **black fire cement**7K/yr-55.0%22.7% conv. - **fire cement black**5K/yr-62.4%24.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/fire-cement/search-terms)
## **Top fire cement 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%£11K20%£21K30%£32K40%£42K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**VITCAS 500 gram Black Fire Cement - Excellent Adhesion - Converts to Rock Patching Repairing Fireplaces Stoves Boilers - Easy To Use Air Tight Seal Quick Repair Time**VITCAS**£5.01**4.5★2,983 rev](https://www.amazon.co.uk/dp/B0049NKD56) [2**Bostik Fire Cement Heat Resistant Repair Compound for Fireplaces Flues & Stoves Buff Colour Ready Mixed Up to 1400C 1kg Tub**Bostik**£3.72**4.6★112 rev](https://www.amazon.co.uk/dp/B0071QO8VI) [3**OB1 Black HeatProtect Fire Cement 1200C High Temperature Heat Resistant Sealant for Stoves Fireplaces Ovens & Chimneys.**OB1**£4.87**4.4★227 rev](https://www.amazon.co.uk/dp/B0DT4LC1ZK) [4**Fire Cement - Ready Mixed 1500C Heat Resistant Filler Black Fire Sealant for Fireplace Stove Boiler Wood Burner Chimney Grills Furnace - 310ml**professional soma fix**£10.02**4.2★216 rev](https://www.amazon.co.uk/dp/B0F3WDTPFC) [5**VITCAS 1kg Black Fire Cement - Excellent Adhesion - Converts to Rock Patching Repairing Fireplaces Stoves Boilers - Easy To Use Air Tight Seal Quick Repair Time**VITCAS**£6.61**4.4★161 rev](https://www.amazon.co.uk/dp/B0049NIEWK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Black Fire Cement for Wood Burning Stove 500g - 1250C Heat Resistant Airtight Seal Easy Use Repair Kit - Sealing and Patching Fireplaces Stoves Flue Pipes Joints - w/Application Tool & Gloves**Decorator's Friend**£9.02**71 rev8mo ago](https://www.amazon.co.uk/dp/B0FYQSL18C) [**Fire Cement - Ready Mixed 1500C Heat Resistant Filler Black Fire Sealant for Fireplace Stove Boiler Wood Burner Chimney Grills Furnace - 310ml**professional soma fix**£10.02**216 rev1y ago](https://www.amazon.co.uk/dp/B0F3WDTPFC) [**OB1 Black HeatProtect Fire Cement 1200C High Temperature Heat Resistant Sealant for Stoves Fireplaces Ovens & Chimneys.**OB1**£4.87**227 rev1y ago](https://www.amazon.co.uk/dp/B0DT4LC1ZK) [**Fireclay Powdered supplied in 25 kg bags for use in Kilns Pizza Ovens and to make your own Refractory PPUK**PotteryproUk**£25.32**1 rev4y ago](https://www.amazon.co.uk/dp/B09VC6FWVB) [**Hotspot Fire Cement 310ml High-Temperature Resistant Fire Cement for Stoves Fires and Chimneys Available in Black or Buff Ideal for Sealing and Repairing**Hotspot**£4.72**389 rev4y ago](https://www.amazon.co.uk/dp/B09MR32723)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Bostik Fire Cement Heat Resistant Repair Compound for Fireplaces Flues & Stoves Buff Colour Ready Mixed Up to 1400C 1kg Tub**Bostik**£3.72**4.6★**▲ 384%**](https://www.amazon.co.uk/dp/B0071QO8VI) [**Fireclay Powdered supplied in 25 kg bags for use in Kilns Pizza Ovens and to make your own Refractory PPUK**PotteryproUk**£25.32**4.0★**▲ 261%**](https://www.amazon.co.uk/dp/B09VC6FWVB) [**Bostik Fire Cement Buff - 5kg - Heat Resistant Sealant for Fireplaces Stoves & Chimneys - Up to 1400C**Bostik**£9.69**4.6★**▲ 146%**](https://www.amazon.co.uk/dp/B00LXM50IQ) [**Vitcas 2kg Premium Fire Cement Fire Bricks Excellent Adhesion Fireproof Patching and Repairing Easy to use**VITCAS**£9.41**4.4★**▲ 125%**](https://www.amazon.co.uk/dp/B004646C80) [**Black Fire Cement for Wood Burning Stove 500g - 1250C Heat Resistant Airtight Seal Easy Use Repair Kit - Sealing and Patching Fireplaces Stoves Flue Pipes Joints - w/Application Tool & Gloves**Decorator's Friend**£9.02**4.6★**▲ 40%**](https://www.amazon.co.uk/dp/B0FYQSL18C)
**~~View all trending →~~**
## **What buyers say about fire cement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**26%
*“simple to put on”*
**Quality-Overall**20%
*“Excellent product”*
**Advertised Vs Actual Product**19%
*“Does what it says on the box”*
**Efficiency**6%
*“WORKS WELL”*
**Value For Money**6%
*“Value for money”*
**Instructions/User Manual/Troubleshooting**3%
*“Excellent product easy instructions great value for money does what it says on tin”*
**Color**3%
*“Really good that its now in black to match most stoves”*
**Adhesion/Stickiness**2%
*“Good adhesion”*
**Material Quality**2%
*“Excellent fire cement good value very easy to use”*
**Durability**2%
*“lasts the longest Ive tried”*
### **What buyers complain about **
**Color**19%
*“After 3 months it went grey and fell out”*
**Durability**15%
*“Becomes brittle and bits fallen off after 1 year”*
**Adhesion/Stickiness**8%
*“Poor adhesion and colour”*
**Functionality-Overall**7%
*“Didn't work”*
**Moist/Dry**6%
*“Quite dry to work with”*
**Hard Feel**5%
*“so setting is hard”*
**Maintenance And Repair**5%
*“If this repair fails”*
**Material Quality**4%
*“Black and more like silicone than cement”*
**Advertised Vs Actual Product**4%
*“Doesn't do what it says”*
**Quality-Overall**4%
*“Total rubbish”*
### **Top return reasons **
**Size-Overall**16%
**Leak-Proof**15%
**Color**14%
**Advertised Vs Actual Product**10%
**Defective Material/Parts**7%
**Suitable For Outdoor**5%
**Product Condition**4%
**Maintenance And Repair**4%
**Adhesion/Stickiness**4%
**Quality-Overall**3%
## **Common questions**
- **Is fire cement profitable to sell on Amazon United Kingdom?**
- The niche generates £106K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -41.6%. Flapen's verdict: Skip it (43/100).
- **How competitive is the fire cement niche?**
- 8 brands and 61 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in fire cement?**
- Top complaints mined from reviews: Color, Durability, Adhesion/Stickiness. The return rate is 0.6%.
- **When does demand for fire cement peak?**
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 4.3× the quietest.
- **What does it cost to enter the fire cement niche?**
- Listings span £3.72–£25.32; the average listing price is £8.04 (sweet spot $15–$100). The average incumbent carries 871 reviews — the moat a new listing must climb.
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