concrete sealer
Worth a lookShows low returns (0.6%), but a small market ($53K/yr) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great£20.62avg listing price — sweet spot $15–$100
Price range
Great£6.29–£42.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good915.78avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.9%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Good+27.0%90-day search growth — must beat 0% to launch
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Market size
Bad£53K£53K/yr · 52K searches
According to Flapen's Amazon United Kingdom niche tracking, concrete sealer is a £53K/yr Amazon United Kingdom market (52K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Apr–May–Jul–Aug. Verdict: Worth a look — 52/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
concrete sealer market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- £52K–£62K
- units × avg price
- Conversion rate
- 4.9%
- Avg BSR
- #283
- Page quality
- 0%
- Prime
- 61%
- Sponsored
- 94%
- Out of stock
- 4.5%
- Avg brand age
- 56 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
9 falling
Sellers
35
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
9%
- SmartSeal29%
- Bostik20%
- Sika18%
- Polar Specialist Coatings10%
- Floorseal Premium Surface Sealers & Cleaners8%
- SIRAMICO COATINGS6%
- Open — no brand owns it (3 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +27.0% search growth over the last 90 days.Peak months: Apr, May, Jul, Aug · busiest ÷ quietest = 2.9×
Top concrete sealer search terms
- concrete sealer34K/yr
- concrete sealer outdoor5K/yr
- concrete floor sealer6K/yr
- concrete sealant4K/yr
- floor sealer3K/yr
Top concrete sealer 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bostik Concrete Sealer 5L - Quick Drying Waterproof Concrete Sealer for Garage & Utility Floors - Dries Clear
Bostik£21.324.6★195 rev
Everbuild 403 Premium Concrete Hardener and Dustproofer Clear Coat 5 Litre
Sika£11.444.4★1,059 rev
Smartseal Premium Concrete Sealer - Easy to Apply High Protection Sealant - Oil and Water Repellent Food Safe - Suitable for All Concrete Surfaces - 100 ml Sample
SmartSeal£6.294.3★302 rev
Polar Dust Proof Concrete Sealer - 5 Litres | Clear Satin Finish | Interior & Exterior Concrete Sealant for Stone Garages Kitchens Factories Warehouses & Walls | Attractive Sheen Finish
Polar Specialist Coatings£31.054.5★380 rev
SmartSeal Premium Concrete Sealer - Easy to Apply High Protection Oil & Water Repellent Food Safe Clear Acrylic Concrete Sealer 1 Litre
SmartSeal£21.504.3★302 rev
Newest
by launch date
Concrete Penetrating Sealer (5 Litre)
Floorseal Premium Surface Sealers & Cleaners£42.1213 rev
Siramico Coatings Premium Water Sealer | Clear Waterproofer | 5 Litres | Water Sealer for Brick Concrete Motar & Stone
SIRAMICO COATINGS£14.22116 rev
SIRAMICO COATINGS Premium Clear Concrete Sealer | 5 Litres | Durable Dustproofing Sealant for Concrete Surfaces
SIRAMICO COATINGS£24.6647 rev
300g Invisible Waterproof Sealant Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent For Roof Bathroom Patio Sealer Outdoor Indoor
ROUJAENIN£8.86796 rev
Concrete Floor Sealer & Dustproofer (5 Litre)
Floorseal Premium Surface Sealers & Cleaners£28.9259 rev
Trending
90-day click momentum
Smartseal Professional Grade Concrete Sealer - Outdoor Use Ideal Driveway & Patio Sealer - Acrylic Concrete Sealant (150 ml Sample)
SmartSeal£7.554.4★
SmartSeal Premium Concrete Sealer - Easy to Apply High Protection Oil & Water Repellent Food Safe Clear Acrylic Concrete Sealer 1 Litre
SmartSeal£21.504.3★
Concrete Penetrating Sealer (5 Litre)
Floorseal Premium Surface Sealers & Cleaners£42.124.4★
Smartseal Imprinted Concrete Sealer - SILK/WET LOOK - Easy To Apply Driveway Sealer - Durable Protection Outdoor Concrete for Patterned Imprinted Driveways and Patios - (5 Litres)
SmartSeal£39.764.5★
Sika Path and Patio Sealer Protects Against Weathering and Green Growth 5 Litre
Sika£14.934.3★
What buyers say about concrete sealer
What buyers praise and complain about, mined from review topics.What buyers love
“A good clear product”
“Works as it says”
“Easy to use”
“Good value”
“Does the job very well”
“Waterproofing quickly”
“Great coverage”
“Easy to spray on”
“Great for roof tiles”
“now a leak proof bath”
What buyers complain about
“Hasnt stopped the leak”
“However was shocked at small size”
“Did Not Work”
“only negative - seems a bit expensive”
“Didnt do what it said on the tin”
“but needed this So called waterproofing product”
“Cheap rubbish”
“Doesn't protect against rust”
“leaves a minor shine”
“Bad lid design”
Top return reasons
Common questions
- Is concrete sealer profitable to sell on Amazon United Kingdom?
- The niche generates £53K/yr across 18 tracked products. 90-day search growth is +27.0%. Flapen's verdict: Worth a look (52/100).
- How competitive is the concrete sealer niche?
- 9 brands and 35 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in concrete sealer?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Functionality-Overall. The return rate is 0.6%.
- When does demand for concrete sealer peak?
- Demand peaks in Apr–May–Jul–Aug; the busiest month runs 2.9× the quietest.
- What does it cost to enter the concrete sealer niche?
- Listings span £6.29–£42.12; the average listing price is £20.62 (sweet spot $15–$100). The average incumbent carries 916 reviews — the moat a new listing must climb.