roof sealant
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible£38.53avg listing price — sweet spot $15–$100
Review moat
Great290.4avg incumbent reviews — the moat a new listing must climb
Competition
Great35%top-5 click share — an open shelf
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Good£12.97–£171.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good74%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
Bad0.0%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
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.Peak months: Sep · busiest ÷ quietest = 2.1×
Top roof sealant search terms
- cromapol acrylic roof coating grey9K/yr
- cromapol7K/yr
- cromapol acrylic roof coating6K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
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
Emergency Roof Repair 5 yr Material Guarantee Fast Fix TekCryl (Grey) 5 kg
KoverTek£35.114.4★93 rev
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£49.254.5★407 rev
Waterproofing Leaking ROOF Repair Coating Grey Single Coat. TekCryl 5kg Acrylic (5yr Material Warranty)
TekCryl£34.994.4★53 rev
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£16.7018 rev
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£55.9718 rev
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£17.55572 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£17.33572 rev
Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Grey 500ml)
SIRAMICO COATINGS£13.98572 rev
Trending
90-day click momentum
UK PAINT - Acrylic Roof Paint - 5L - Dark Grey
UK PAINT£34.973.4★
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£16.704.6★
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£55.974.6★
Instant roof Repair Fast fix (5yr Guarantee) Grey TekCryl 20kg Acrylic
KoverTek£103.354.6★
Siramico Coatings Liquid Rubber Roof Coating | Instant Leak Seal Technology I Quick Drying One Coat Waterproofing Sealant | Black Grey & Clear (Grey 500ml)
SIRAMICO COATINGS£13.984.5★
What buyers say about roof sealant
What buyers praise and complain about, mined from review topics.What buyers love
“Good product, arrived on time stated”
“to my surprise it is better than advertised”
“EASY TO USE”
“No leak”
“Good price”
“Waterproof”
“Good quality paint”
“Bought to coat over pebbledash did a great job very effective”
“It adheres well”
“Its good, easy to use very durable bit like treacle, It covered what I need it for”
What buyers complain about
“Its sticky”
“During the week I checked for leaks and they were still there and had somehow worsened”
“When it settles it thins itself out”
“I can't consider it good value”
“only downside quite difficult to apply”
“7 days after the initial painting on of this, it was still malleable”
“Stinky”
“As many have said it's messy, and eats brushes”
“Garbage all round poor quality”
“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
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.