brick sealant
Skip itSoft demand (-22.9% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great£19.18avg listing price — sweet spot $15–$100
Conversion
Great9.1%search→purchase rate — share of searches ending in a sale
Price range
Good£6.45–£29.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay1,827.09avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Market size
Bad£66K£66K/yr · 38K searches
Competition
Bad81%top-5 click share — a locked-up shelf
Growth
Bad-22.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, brick sealant is a £66K/yr Amazon United Kingdom market (38K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 42/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
brick sealant market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- £48K–£58K
- units × avg price
- Conversion rate
- 9.1%
- Avg BSR
- #182
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 73%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
48
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
2%
- Sika33%
- SAFEGUARD28%
- Thompson's14%
- SmartSeal12%
- Ronseal7%
- Stormdry5%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -22.9% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 2.2×
Top brick sealant search terms
- brick sealer exterior10K/yr
- water seal10K/yr
- brick sealer7K/yr
- brick waterproofing sealant4K/yr
- brick sealant exterior3K/yr
- brick sealant3K/yr
Top brick 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Everbuild 402 Water Seal High Performance Long Lasting Protection From Water Damage Solvent-Free Formula Water Repellant 5 Litre
Sika£12.334.4★5,477 rev
Raincheck Water Seal 5 Litre - Breathable Clear Exterior Brick Stone Mortar & Concrete Sealer
SAFEGUARD£14.374.4★2,451 rev
RONSEAL 36286 Thompsons Water Seal 5 Litre (TWSEAL5L) Clear
Thompson's£17.424.5★2,956 rev
Smartseal Brick Sealer - 100ml Sample - Breathable Brick Waterproofer & Clear Sealant. Protective Damp Seal & Waterproof Sealant for Bricks Masonry Concrete & Stone. Lasts up to 10 years
SmartSeal£6.454.4★368 rev
Stormdry Masonry Waterproofing Cream (1 Litre) 25 Year BBA Approved Exterior Brick Sealer. Breathable Colourless Brick Concrete Stone Mortar Sandstone & Granite Waterproofer
Stormdry£29.094.5★3,164 rev
Newest
by launch date
Raincheck Universal Water Seal (5 Litre Clear) Breathable Exterior Waterproofing Brick Wood and Stone Sealer
SAFEGUARD£23.302,799 rev
Interior Brick Sealer & Dustproofer - Seal Dustproof & Protect Interior Brick & Masonry (5 Litre)
Floorseal Premium Surface Sealers & Cleaners£28.58351 rev
Smartseal Brick Sealer - 100ml Sample - Breathable Brick Waterproofer & Clear Sealant. Protective Damp Seal & Waterproof Sealant for Bricks Masonry Concrete & Stone. Lasts up to 10 years
SmartSeal£6.45368 rev
Smartseal Brick Sealer - 1L - Breathable Brick Waterproofer & Clear Sealant. Protective Damp Seal & Waterproof Sealant for Bricks Masonry Concrete & Stone. Easy to Apply. Lasts up to 10 years
SmartSeal£18.41368 rev
Stormdry Masonry Waterproofing Cream (1 Litre) 25 Year BBA Approved Exterior Brick Sealer. Breathable Colourless Brick Concrete Stone Mortar Sandstone & Granite Waterproofer
Stormdry£29.093,164 rev
Trending
90-day click momentumSmartseal Brick Sealer - 100ml Sample - Breathable Brick Waterproofer & Clear Sealant. Protective Damp Seal & Waterproof Sealant for Bricks Masonry Concrete & Stone. Lasts up to 10 years
SmartSeal£6.454.4★
Everbuild 402 Water Seal High Performance Long Lasting Protection From Water Damage Solvent-Free Formula Water Repellant 5 Litre
Sika£12.334.4★
Raincheck Water Seal 5 Litre - Breathable Clear Exterior Brick Stone Mortar & Concrete Sealer
SAFEGUARD£14.374.4★
TWSU5L 5L Thompsons One Coat Water-Seal
Ronseal£20.484.5★
Interior Brick Sealer & Dustproofer - Seal Dustproof & Protect Interior Brick & Masonry (5 Litre)
Floorseal Premium Surface Sealers & Cleaners£28.584.5★
What buyers say about brick sealant
What buyers praise and complain about, mined from review topics.What buyers love
“Good product did what was needed”
“worth the value”
“As described”
“Easy to use”
“Good product, used to waterproof new birdbath, worked as expected”
“I was amazed how efficiently it performs”
“Easy to spray on”
“Great coverage”
“Excellent value and is protecting my brickwork”
“It works, kind of”
What buyers complain about
“so expensive”
“these are very wet”
“Did not work at all”
“Cheap rubbish”
“Although it was smaller than I thought it went far”
“particularly if exposed to extreme weather”
“leaves a minor shine”
“then leaking into my garage the other side”
Top return reasons
Common questions
- Is brick sealant profitable to sell on Amazon United Kingdom?
- The niche generates £66K/yr across 11 tracked products. 90-day search growth is -22.9%. Flapen's verdict: Skip it (42/100).
- How competitive is the brick sealant niche?
- 7 brands and 48 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in brick sealant?
- Top complaints mined from reviews: Value For Money, Water Resistance, Functionality-Overall. The return rate is 0.6%.
- When does demand for brick sealant peak?
- Demand peaks in Sep–Oct; the busiest month runs 2.2× the quietest.
- What does it cost to enter the brick sealant niche?
- Listings span £6.45–£29.85; the average listing price is £19.18 (sweet spot $15–$100). The average incumbent carries 1,827 reviews — the moat a new listing must climb.