Black Silicone Sealant
FailPrices span $2.53–$10.62, mostly outside the sweet spot, so Black Silicone Sealant is a Fail.
- Flapen Score
- 43 / 100Ranks 1,615 of 2,225 DIY & Tools niches · −6 vs the category median of 4943
- Market size
- £227K/yr242K searches / yr
- 90-day growth
- -8.6%search demand this quarter
- Competition
- 65%top-5 click share · 8 brands · 85 sellers
Flapen Score
Black Silicone Sealant against its category
The dotted line is the DIY & Tools average. Past it, Black Silicone Sealant is stronger. Inside it, weaker.
Market
The Black Silicone Sealant market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Black Silicone Sealant 242K times last year and spent an estimated £227K. The top 5 brands take 95% of clicks. Demand peaks in May. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 13.8% of those searches ended in a purchase.
Shoppers searched for this 242K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.8% of those searches ended in a purchase. Searches in the last 90 days moved -8.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £227K a year.
- Searches, last 12 months
- 242K
- Growth, 90 days vs prior 90
- -8.6%
- Conversion, latest week
- 13.8%
- Market size, estimated
- £227Ka year
- Peak month
- May2.0× the quietest month
- Top search term
- black silicone sealant66K searches a year
02 · Price
A sale here is worth £6.79.
Listings sell for £6.79 on average, from £2.53 to £10.62. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,500 to 3,000 of them. At £6.79 that is £17K to £20K a year per listing.
- Average price
- £6.79under the $15 to $100 sweet spot
- Price range
- £2.53–£10.62
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- £17K–£20K
- Returns
- 0.6%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
89% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 9.7% of listings are out of stock. The average listing ranks #92 within Adhesives & Sealers. It carries 2,834 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 94%
- Out of stock, average day
- 9.7%
- Average rank
- #92in Adhesives & Sealers
- Average rating
- 4.47 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,834per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 40 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 40 months
Products
Top Black 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
Sika Stixall Extreme Power Sealant and Adhesive Waterproof Black 290ml
- Price
- £4.42
- Rating
- 4.6/5
- Reviews
- 7,030
- Age
- 19y ago

Bond-It GP200 Contractors Grade LMA General Purpose Acetoxy Silicone Sealant With Fungicide Black 275ml
- Price
- £4.43
- Rating
- 4.5/5
- Reviews
- 378
- Age
- 12y ago

Hemway Jet Black Construction Sealant & Adhesive 300ml - 1 Pack
- Price
- £8.50
- Rating
- 4.4/5
- Reviews
- 3,009
- Age
- 2y ago

Everbuild General Purpose Silicone Sealant Waterproof Suitable for Interior and Exterior Use Black 280ml
- Price
- £2.53
- Rating
- 4.5/5
- Reviews
- 2,800
- Age
- 12y ago

EVO-STIK Multipurpose Silicone Sealant Black - Waterproof & Mould Resistant - For Interior and Exterior Use
- Price
- £5.26
- Rating
- 4.5/5
- Reviews
- 1,236
- Age
- 2y ago
Trending
estimated 90-day click momentum
50ML Black Silicone Sealant Windscreen Sealant High Temperature Silicone Sealant Waterproof Black Sealant for Cars Window Windshield Adhesive Silicone Sealant Black Glue for Car Door Rubber Seals
- Price
- £4.78
- Rating
- 4.2/5
- Reviews
- 7
- Age
- 10mo ago

Hemway Jet Black Construction Sealant & Adhesive 300ml - 1 Pack
- Price
- £8.50
- Rating
- 4.4/5
- Reviews
- 3,009
- Age
- 2y ago

Sika Stixall Extreme Power Sealant and Adhesive Waterproof White 290ml
- Price
- £3.98
- Rating
- 4.6/5
- Reviews
- 2,566
- Age
- 19y ago

Sika Sikaflex EBT+ Adhesive Sealant and Filler Black 300 ml
- Price
- £6.74
- Rating
- 4.6/5
- Reviews
- 1,318
- Age
- 17y ago

Bond-It GP200 Contractors Grade LMA General Purpose Acetoxy Silicone Sealant With Fungicide Black 275ml
- Price
- £4.43
- Rating
- 4.5/5
- Reviews
- 378
- Age
- 12y ago
Newest
by launch date
50ML Black Silicone Sealant Windscreen Sealant High Temperature Silicone Sealant Waterproof Black Sealant for Cars Window Windshield Adhesive Silicone Sealant Black Glue for Car Door Rubber Seals
- Price
- £4.78
- Rating
- 4.2/5
- Reviews
- 7
- Age
- 10mo ago

Black Silicone Sealant & Adhesive Waterproof Flexible High Strength Multipurpose Sealant for Bathroom Kitchen Automotive Glass Metal & Outdoor Repairs. 120 ml
- Price
- £7.51
- Rating
- 4.0/5
- Reviews
- 1,121
- Age
- 10mo ago

Black Silicone Sealant - Flexible Silicone Tube for Wood Parquet Bathroom Sink Windows - Multi-Purpose Waterproof (Black 50ml)
- Price
- £7.07
- Rating
- 4.2/5
- Reviews
- 861
- Age
- 1y ago

Hemway Jet Black Construction Sealant & Adhesive 300ml - 1 Pack
- Price
- £8.50
- Rating
- 4.4/5
- Reviews
- 3,009
- Age
- 2y ago

Hemway Jet Black Kitchen & Bathroom Sealant & Adhesive 300ml 1 Pack
- Price
- £9.62
- Rating
- 4.4/5
- Reviews
- 3,009
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 falling
Sellers
85
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
65%
Top 20: 100%
Open market
3%
- Sika50%
- Bond It17%
- Hemway14%
- EVO-STIK10%
- XFasten5%
- ADVANCEDSIL2%
- Open — no brand owns it (2 brands, 3%)
Demand
Black Silicone Sealant search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May · busiest ÷ quietest = 2.0×
Search terms
Top Black Silicone Sealant search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- black silicone sealant66K/yr
- sikaflex33K/yr
- black silicone sealant waterproof25K/yr
- black silicone22K/yr
- black sealant waterproof21K/yr
- black sealant17K/yr
- black caulk16K/yr
- silkaflex6K/yr
- black decorators caulk7K/yr
- black mastic sealant waterproof external4K/yr
Reviews and returns
What reviews say buyers love and hate about Black Silicone Sealant
We read the reviews and the return reasons for every product selling here.
“Doesnt stick”
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.
18 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 Black 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








