Is liquid rubber profitable to sell on Amazon United Kingdom?

The niche generates £146K/yr across 31 tracked products. 5 of 11 products launched in the last 360 days are still selling. 90-day search growth is -21.8%. Flapen's verdict: Skip it (49/100).

How competitive is the liquid rubber niche?

15 brands and 118 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in liquid rubber?

Top complaints mined from reviews: Adhesion/Stickiness, Leak-Proof, Value For Money. The return rate is 0.8%.

When does demand for liquid rubber peak?

Demand peaks in Feb–Mar; the busiest month runs 2.4× the quietest.

What does it cost to enter the liquid rubber niche?

Listings span £4.40–£49.93; the average listing price is £17.09 (sweet spot $15–$100). The average incumbent carries 4,471 reviews — the moat a new listing must climb.

liquid rubber

Skip it

Soft demand (-21.8% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Great£17.09

avg listing price — sweet spot $15–$100

Price range

Great£4.40–£49.93

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay3.8%

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

Market size

Okay£146K

£146K/yr · 227K searches

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Review moat

Bad4,471.1

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-21.8%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, liquid rubber is a £146K/yr Amazon United Kingdom market (227K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 49/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

liquid rubber market data

Units sold / yr: 10K–13K; avg 250–500/product
Revenue / yr: £171K–£214K; units × avg price
Conversion rate: 3.8%
Avg BSR: #150
Page quality: 0%
Prime: 71%
Sponsored: 87%
Out of stock: 6.5%
Avg brand age: 54 months
Avg seller age: 170 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

118

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

47%

Top 20: 89%

Open market

12%

SIRAMICO COATINGS44%
GORILLA31%
ROUJAENIN4%
WEILAOK4%
NoxGule3%
WYCOON2%
Open — no brand owns it (9 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.8% search growth over the last 90 days.

Peak months: Feb, Mar · busiest ÷ quietest = 2.4×

Open Trend

Top liquid rubber search terms

liquid rubber32K/yr -8.4%2.8% conv.
waterproof paint27K/yr -14.4%1.7% conv.
rubber paint21K/yr -1.4%1.6% conv.
flex seal17K/yr +11.9%1.2% conv.
liquid rubber waterproof sealant21K/yr -22.0%3.1% conv.
waterproof paint for outdoors9K/yr -16.1%1.4% conv.
gorilla waterproof coat and seal22K/yr -69.7%10.3% conv.
liquid rubber paint5K/yr -6.1%2.5% conv.
rubberised paint4K/yr +1.3%1.5% conv.
gorilla sealant waterproof8K/yr -43.2%4.1% conv.

All search terms

Top liquid rubber 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Gorilla Waterproof Coat & Seal Clear 473ml - Weatherproof Liquid Sealant | Stops & Prevents Leaks | For Roof Tiles Brick Wood Metal Concrete Stone Rubber Plastics*

GORILLA£12.344.5★2,353 rev

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£17.334.5★572 rev

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£49.934.5★407 rev

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£49.294.5★407 rev

Gorilla 84756 Waterproof Coat & Seal Black 473ml

GORILLA£14.304.5★2,353 rev

Newest

by launch date

Liquid Rubber Waterproof Sealant 150 g Elastic and Durable

XINGHUO£8.413 rev

6mo ago

WYCOON Invisible Waterproof Sealant 1KG Transparent Liquid Sealant for Leak Repair Waterproof Adhesive Coating for Indoor & Outdoor Use Roof Bathroom Shower

WYCOON£16.6343 rev

6mo ago

NoxGule 150g Multi Purpose Rubber Coating Rubber Paint Black Liquid rubber Waterproof Sealant Waterproof Flexible Protective Coating for Pliers and Jewelry Tools (Black-B)

NoxGule£7.2413 rev

7mo ago

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£17.33572 rev

8mo ago

Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Black 500ml)

SIRAMICO COATINGS£13.93572 rev

8mo ago

What buyers say about liquid rubber

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

What buyers love

Quality-Overall23%

“Good product, arrived on time stated”

Advertised Vs Actual Product14%

“As advertised”

Ease Of Use11%

“EASY TO USE”

Leak-Proof10%

“No leak”

Water Resistance7%

“Fully waterproof”

Value For Money6%

“Good price”

Efficiency5%

“Really does work”

Paint Quality3%

“the finish is clean”

Adhesion/Stickiness3%

“It is great tape”

Strength1%

“Strong tape”

What buyers complain about

Adhesion/Stickiness18%

“Its sticky”

Leak-Proof17%

“Did not stop leak”

Value For Money7%

“Its not the cheapest option”

Functionality-Overall5%

“Did Not Work”

Thickness5%

“The liquid is quite thin”

Water Resistance5%

“Definitely not water resistant”

Ease Of Use3%

“Bit messy to apply”

Advertised Vs Actual Product3%

“Not as described”

Quality-Overall2%

“The brushes aren't amazing quality”

Ease Of Cleaning2%

“dont even think about trying to clean them”

Top return reasons

Color23%

Adhesion/Stickiness11%

Functionality-Overall10%

Size-Overall9%

Leak-Proof8%

Paint Quality6%

Advertised Vs Actual Product6%

Maintenance And Repair4%

Compatibility-Overall4%

Water Resistance3%

Common questions

Is liquid rubber profitable to sell on Amazon United Kingdom?: The niche generates £146K/yr across 31 tracked products. 5 of 11 products launched in the last 360 days are still selling. 90-day search growth is -21.8%. Flapen's verdict: Skip it (49/100).
How competitive is the liquid rubber niche?: 15 brands and 118 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in liquid rubber?: Top complaints mined from reviews: Adhesion/Stickiness, Leak-Proof, Value For Money. The return rate is 0.8%.
When does demand for liquid rubber peak?: Demand peaks in Feb–Mar; the busiest month runs 2.4× the quietest.
What does it cost to enter the liquid rubber niche?: Listings span £4.40–£49.93; the average listing price is £17.09 (sweet spot $15–$100). The average incumbent carries 4,471 reviews — the moat a new listing must climb.