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Black Silicone Sealant

Fail

Prices span $2.53–$10.62, mostly outside the sweet spot, so Black Silicone Sealant is a Fail.

Flapen Score
43
43 / 100
Ranks 1,615 of 2,225 DIY & Tools niches · −6 vs the category median of 49
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.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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

13.8% of searches ended in a purchase last week.

Shoppers searched for this 242K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 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

Amazon counts 0 of last year's 2 launches as successful.

2 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. 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

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 65% of clicks. Leaders hold, but buyers still shop past them.

£0£23K£45K£68K£91K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

85

Top-5 brand share

95%

Top 20: 100%

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.

9K7KSpike '24Holiday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 2.0×

Search terms

Top Black Silicone Sealant search terms shoppers use

The exact words shoppers type, with 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

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Adhesion/Stickiness16%

Doesnt stick

No adhesive supplied with this product

Not an adhesive

Quality-Overall9%−0.01

Bad quality control at Sikaflex

Cheap stuff

Poor quality

Value For Money8%+0.41

little bit pricey

Costly

Is a bit expensive

Ease Of Use7%+0.77

it was not easy to use at all

not user friendly

very hard to squeeze out

Durability6%−0.08

I expect it to last like other types of this product

Broke my gun trying to use it

it blew the tube

Love

Quality-Overall19%−0.01

Excellent Product

Very good quality sealant

Always a reliable brand

Adhesion/Stickiness16%

Strong adhesive

Sticks well

Brilliant adhesive

Ease Of Use12%+0.77

Easy to Use

easy to work with

I found it easier to do

Value For Money10%+0.41

Great deal

Good value for money

Good price

Advertised Vs Actual Product9%+0.69

As advertised

Exactly as described

It always does the job

Return

0.6% Return rate 73% Fixable by listing

Color64%█▇▇▇█▆
Adhesion/Stickiness6%▇▃█▄▄▇

Doesnt stick

No adhesive supplied with this product

Not an adhesive

Defective Material/Parts4%▃██▆▂█
Advertised Vs Actual Product4%▄▄▆█▆▇

doesnt do what says on the tin

its only a 280ml tube not 500, false advertisement, supplier not responding

Quality-Overall4%▁█▅▃▆▂

Bad quality control at Sikaflex

Cheap stuff

Poor quality

FAQ

Common Black Silicone Sealant questions

Answered from the same tracked data.