Silicone Sealant
FailPrices span $1.97–$7.40, mostly outside the sweet spot, so Silicone Sealant is a Fail.
- Flapen Score
- 47 / 100Ranks 1,252 of 2,225 DIY & Tools niches · −2 vs the category median of 4947
- Market size
- £909K/yr1.4M searches / yr
- 90-day growth
- -14.6%search demand this quarter
- Competition
- 66%top-5 click share · 6 brands · 91 sellers
Flapen Score
Silicone Sealant against its category
The dotted line is the DIY & Tools average. Past it, Silicone Sealant is stronger. Inside it, weaker.
Market
The Silicone Sealant market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Silicone Sealant 1.4M times last year and spent an estimated £909K. The top 5 brands take 98% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 12.4% of those searches ended in a purchase.
Shoppers searched for this 1.4M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.4% of those searches ended in a purchase. Searches in the last 90 days moved -14.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £909K a year.
- Searches, last 12 months
- 1.4M
- Growth, 90 days vs prior 90
- -14.6%
- Conversion, latest week
- 12.4%
- Market size, estimated
- £909Ka year
- Peak month
- November1.3× the quietest month
- Top search term
- silicone sealant418K searches a year
02 · Price
A sale here is worth £5.07.
Listings sell for £5.07 on average, from £1.97 to £7.40. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 12,500 to 15,000 of them. At £5.07 that is £63K to £76K a year per listing.
- Average price
- £5.07under the $15 to $100 sweet spot
- Price range
- £1.97–£7.40
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 200K–250K
- Units per listing a year
- 12,500–15,000
- Revenue per listing a year
- £63K–£76K
- Returns
- 0.6%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads and reviews.
92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #66 within Adhesives & Sealers. It carries 4,931 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #66in Adhesives & Sealers
- Average rating
- 4.39 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 4,931per listing
- Listings tracked
- 13
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 38 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 38 months
Products
Top Silicone Sealant products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
UniBond Anti-Mould White Waterproof Mould Protection Long-lasting White Silicone Sealant for Kitchen & Bathroom Powerful Bath Sealant 1 x 274g Cartridge
- Price
- £6.70
- Rating
- 4.6/5
- Reviews
- 20,589
- Age
- 10y ago

Everbuild General Purpose Silicone Sealant Waterproof Suitable for Interior and Exterior Use Clear 280ml
- Price
- £2.57
- Rating
- 4.5/5
- Reviews
- 7,522
- Age
- 19y ago

UniBond Re-New White Silicone Sealant for Kitchen & Bath One-Step Bathroom Sealant Renewal Waterproof Kitchen Silicone with Triple Mould Resistance 1 x 80ml
- Price
- £5.62
- Rating
- 4.1/5
- Reviews
- 2,203
- Age
- 3y ago

Silicone Sealant Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE 120g)
- Price
- £7.40
- Rating
- 4.0/5
- Reviews
- 1,121
- Age
- 1y ago

UniBond Bath & Kitchen Sealant Mould Resistant White Silicone Sealant Ideal for Showers Toilets Tiles Worktops & More Durable & Waterproof Easy Bathroom Sealant 1x104g Pressure Pack
- Price
- £5.76
- Rating
- 4.3/5
- Reviews
- 3,324
- Age
- 5y ago
Trending
estimated 90-day click momentum
UniBond Kitchen and Bathroom Mould-Resistant White Silicone Sealant Easy No Cut Opening Silicone-Based Sanitary Sealant Waterproof 1 x 280ml Cartridge
- Price
- £6.31
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 10mo ago

Sika SikaSeal Sanitary Silicone + (Previously Everflex 500) Waterproof Anti-Fungal Quick Curing Translucent 295ml
- Price
- £3.76
- Rating
- 4.6/5
- Reviews
- 4,453
- Age
- 19y ago

Everbuild Bath and Kitchen Acrylic Sealant Anti Mould Formulation White 290ml cartridge
- Price
- £1.97
- Rating
- 4.1/5
- Reviews
- 1,641
- Age
- 19y ago

UniBond Re-New White Silicone Sealant for Kitchen & Bath One-Step Bathroom Sealant Renewal Waterproof Kitchen Silicone with Triple Mould Resistance 1 x 80ml
- Price
- £5.62
- Rating
- 4.1/5
- Reviews
- 2,203
- Age
- 3y ago

Everbuild General Purpose Silicone Sealant Waterproof Suitable for Interior and Exterior Use White 280ml
- Price
- £3.01
- Rating
- 4.5/5
- Reviews
- 7,891
- Age
- 19y ago
Newest
by launch date
UniBond Kitchen and Bathroom Mould-Resistant White Silicone Sealant Easy No Cut Opening Silicone-Based Sanitary Sealant Waterproof 1 x 280ml Cartridge
- Price
- £6.31
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 10mo ago

Silicone Sealant Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE 120g)
- Price
- £7.40
- Rating
- 4.0/5
- Reviews
- 1,121
- Age
- 1y ago

BlissMart White Silicone Sealant Waterproof Strong White Glue x 2 Tubes Multipurpose Bathroom Silicon Seal Mold Resistant Silicone Tool Kitchen Toilet Sink Caulking Shower Seal Filler Sealant Tool
- Price
- £6.61
- Rating
- 4.4/5
- Reviews
- 305
- Age
- 1y ago

UniBond Re-New White Silicone Sealant for Kitchen & Bath One-Step Bathroom Sealant Renewal Waterproof Kitchen Silicone with Triple Mould Resistance 1 x 80ml
- Price
- £5.62
- Rating
- 4.1/5
- Reviews
- 2,203
- Age
- 3y ago

Dryzone Silicone Sealant White Anti-Mould - Waterproof Premium Sanitary-Grade Low VOC Sealant for Bathroom and Kitchen
- Price
- £6.23
- Rating
- 4.5/5
- Reviews
- 2,463
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.
Brands
6 falling
Sellers
91
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
66%
Top 20: 100%
Open market
0%
- Unibond53%
- Sika19%
- Everbuild13%
- ADVANCEDSIL9%
- Dryzone4%
- BLISSMART2%
Demand
Silicone Sealant search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Silicone Sealant search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- silicone sealant418K/yr
- sealant157K/yr
- silicone130K/yr
- white silicone sealant117K/yr
- bathroom sealant119K/yr
- bathroom sealant white anti mould63K/yr
- bathroom silicone sealant58K/yr
- bath sealant64K/yr
- shower sealant42K/yr
- silicon32K/yr
Reviews and returns
What reviews say buyers love and hate about Silicone Sealant
We read the reviews and the return reasons for every product selling here.
“Difficult to use”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Silicone Sealant questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data








