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.

fire cement

Skip it

Soft demand (-41.6% this quarter) — this niche doesn't clear our bar today.

Conversion

Incredible16.7%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Review moat

Good871.19

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

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

Okay65%

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

Bad92%

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

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

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

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.

Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 4.3×

Open Trend

Top fire cement search terms

fire cement39K/yr -35.7%14.3% conv.
fire cement for wood burning stove20K/yr -53.1%18.6% conv.
vitcas fire cement5K/yr -30.3%14.7% conv.
fire clay3K/yr -15.1%5.9% conv.
black fire cement7K/yr -55.0%22.7% conv.
fire cement black5K/yr -62.4%24.9% conv.

All 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.

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

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£5.014.5★2,983 rev

Bostik Fire Cement Heat Resistant Repair Compound for Fireplaces Flues & Stoves Buff Colour Ready Mixed Up to 1400C 1kg Tub

Bostik£3.724.6★112 rev

OB1 Black HeatProtect Fire Cement 1200C High Temperature Heat Resistant Sealant for Stoves Fireplaces Ovens & Chimneys.

OB1£4.874.4★227 rev

Fire Cement - Ready Mixed 1500C Heat Resistant Filler Black Fire Sealant for Fireplace Stove Boiler Wood Burner Chimney Grills Furnace - 310ml

professional soma fix£10.024.2★216 rev

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£6.614.4★161 rev

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£9.0271 rev

8mo ago

Fire Cement - Ready Mixed 1500C Heat Resistant Filler Black Fire Sealant for Fireplace Stove Boiler Wood Burner Chimney Grills Furnace - 310ml

professional soma fix£10.02216 rev

1y ago

OB1 Black HeatProtect Fire Cement 1200C High Temperature Heat Resistant Sealant for Stoves Fireplaces Ovens & Chimneys.

OB1£4.87227 rev

1y ago

$Fireclay Powdered supplied in 25 kg bags for use in Kilns Pizza Ovens and to make your own Refractory PPUK$

Fireclay Powdered supplied in 25 kg bags for use in Kilns Pizza Ovens and to make your own Refractory PPUK

PotteryproUk£25.321 rev

4y ago

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£4.72389 rev

4y ago

What buyers say about fire cement

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use26%

“simple to put on”

Quality-Overall20%

“Excellent product”

Advertised Vs Actual Product19%

“Does what it says on the box”

Efficiency6%

“WORKS WELL”

Value For Money6%

“Value for money”

Instructions/User Manual/Troubleshooting3%

“Excellent product easy instructions great value for money does what it says on tin”

Color3%

“Really good that its now in black to match most stoves”

Adhesion/Stickiness2%

“Good adhesion”

Material Quality2%

“Excellent fire cement good value very easy to use”

Durability2%

“lasts the longest Ive tried”

What buyers complain about

Color19%

“After 3 months it went grey and fell out”

Durability15%

“Becomes brittle and bits fallen off after 1 year”

Adhesion/Stickiness8%

“Poor adhesion and colour”

Functionality-Overall7%

“Didn't work”

Moist/Dry6%

“Quite dry to work with”

Hard Feel5%

“so setting is hard”

Maintenance And Repair5%

“If this repair fails”

Material Quality4%

“Black and more like silicone than cement”

Advertised Vs Actual Product4%

“Doesn't do what it says”

Quality-Overall4%

“Total rubbish”

Top return reasons

Size-Overall16%

Leak-Proof15%

Color14%

Advertised Vs Actual Product10%

Defective Material/Parts7%

Suitable For Outdoor5%

Product Condition4%

Maintenance And Repair4%

Adhesion/Stickiness4%

Quality-Overall3%

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.