clear silicone sealant
Skip itSoft demand (-9.5% this quarter) — this niche doesn't clear our bar today.
Conversion
Incredible15.9%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Market size
Good£405K£405K/yr · 356K searches
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,234.23avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Price range
Okay£2.57–£20.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad72%top-5 click share — a locked-up shelf
Growth
Bad-9.5%90-day search growth — must beat 0% to launch
Avg price
Bad£7.14avg listing price — sweet spot $15–$100
According to Flapen's Amazon United Kingdom niche tracking, clear silicone sealant is a £405K/yr Amazon United Kingdom market (356K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 48/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
clear silicone sealant market data
- Units sold / yr
- 60K–80K
- avg 5,000–6,000/product
- Revenue / yr
- £428K–£571K
- units × avg price
- Conversion rate
- 15.9%
- Avg BSR
- #147
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 77%
- Out of stock
- 0.0%
- Avg brand age
- 39 months
- Avg seller age
- 166 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
92
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
12%
- Everbuild34%
- Unibond23%
- ADVANCEDSIL11%
- Dryzone7%
- EVO-STIK7%
- 1516%
- Open — no brand owns it (3 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top clear silicone sealant search terms
- clear silicone sealant113K/yr
- clear silicone sealant waterproof58K/yr
- clear silicone34K/yr
- silicone sealant clear33K/yr
- clear sealant waterproof silicone31K/yr
- clear sealant22K/yr
- clear bathroom sealant waterproof12K/yr
- silicone clear6K/yr
- clear mastic sealant waterproof5K/yr
- transparent silicone sealant4K/yr
Top clear silicone 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Everbuild General Purpose Silicone Sealant Waterproof Suitable for Interior and Exterior Use Clear 280ml
Everbuild£2.574.5★7,522 rev
Unibond Bath & Kitchen Mould-Resistant Transparent Silicone Sealant Silicone-Based Sanitary Sealant Waterproof Caulk 1 x 280ml Cartridge
Unibond£6.064.6★1,962 rev
Dryzone Silicone Sealant Clear Anti Mould Waterproof Premium Sanitary-Grade Low VOC Sealant for Bathroom and Kitchen
Dryzone£6.484.5★2,463 rev
EVO-STIK Multipurpose Silicone Sealant Clear - Waterproof - Mould Resistant - Lasts Up To 25 Years - Interior and Exterior Use
EVO-STIK£5.274.5★1,236 rev
Silicone Sealant | Clear Silicone Sealant with Finishing Tool For a Smooth & Professional Finish | Waterproof & Anti-Mould Protection
ADVANCEDSIL£7.394.0★1,121 rev
Newest
by launch date
UniBond Kitchen and Bathroom Mould-Resistant Translucent Silicone Sealant Easy No Cut Opening Silicone-Based Sanitary Sealant Waterproof 1 x 280ml Cartridge
Unibond£6.4632 rev
Silicone Sealant | Clear Silicone Sealant with Finishing Tool For a Smooth & Professional Finish | Waterproof & Anti-Mould Protection
ADVANCEDSIL£7.391,121 rev
Silicone Sealant Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE 120g)
ADVANCEDSIL£7.401,121 rev
BlissMart Clear Silicone Sealant Waterproof Strong Clear Glue x 2 Tubes Multipurpose Bathroom Silicon Seal Mold Resistant Silicone Tool Kitchen Toilet Sink Caulking Shower Seal Filler Sealant Tool
BLISSMART£6.59305 rev
Clear Silicone Sealant | Multipurpose Waterproof Silicone Sealant CLEAR | Transparent Bathroom & Kitchen silicon sealant x 2 70g Tubes
ABL Supplies£6.64858 rev
Trending
90-day click momentumUniBond Kitchen and Bathroom Mould-Resistant Translucent Silicone Sealant Easy No Cut Opening Silicone-Based Sanitary Sealant Waterproof 1 x 280ml Cartridge
Unibond£6.464.8★
Silicone Sealant Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE 120g)
ADVANCEDSIL£7.404.0★
EVO-STIK Multipurpose Silicone Sealant Clear - Waterproof - Mould Resistant - Lasts Up To 25 Years - Interior and Exterior Use
EVO-STIK£5.274.5★
Sika SikaSeal Sanitary Silicone + (Previously Everflex 500) Waterproof Anti-Fungal Quick Curing Translucent 295ml
Sika£3.764.6★
BlissMart Clear Silicone Sealant Waterproof Strong Clear Glue x 2 Tubes Multipurpose Bathroom Silicon Seal Mold Resistant Silicone Tool Kitchen Toilet Sink Caulking Shower Seal Filler Sealant Tool
BLISSMART£6.594.4★
What buyers say about clear silicone sealant
What buyers praise and complain about, mined from review topics.What buyers love
“Good product great result”
“Great value”
“Does as advertised”
“Easy to use”
“it does the job”
“Good cheap silicone”
“This looked ideal size”
“The waterproof and mould-resistant formula gives peace of mind, especially around sinks and showers where moisture is constant”
“Sticks well”
“The clear finish also looks clean”
What buyers complain about
“Is hard to open”
“Too thick and incredibly hard to squeeze out of tube”
“What complete rubbish”
“Not recommend turned yellow after few days”
“just not the best general purpose silicon adhesive/gap filler”
“Doesnt work, dont waste your money”
“not a smooth flow”
“Didn't go as far as it states on the description”
“not fit for purpose in my experience”
“Expensive for what you get”
Top return reasons
Common questions
- Is clear silicone sealant profitable to sell on Amazon United Kingdom?
- The niche generates £405K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -9.5%. Flapen's verdict: Skip it (48/100).
- How competitive is the clear silicone sealant niche?
- 9 brands and 92 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in clear silicone sealant?
- Top complaints mined from reviews: Ease Of Use, Thickness, Quality-Overall. The return rate is 0.7%.
- When does demand for clear silicone sealant peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the clear silicone sealant niche?
- Listings span £2.57–£20.99; the average listing price is £7.14 (sweet spot $15–$100). The average incumbent carries 2,234 reviews — the moat a new listing must climb.