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Gutter Sealant

Maybe

Returns run at only 0.8% of orders. But prices span $2.71–$15.61, mostly outside the sweet spot, so Gutter Sealant is a Maybe.

Flapen Score
51
51 / 100
Top 38% of 2,225 DIY & Tools niches · +2 vs the category median of 49
Market size
£47K/yr67K searches / yr
90-day growth
+10.6%search demand this quarter
Competition
46%top-5 click share · 15 brands · 156 sellers

Flapen Score

Gutter Sealant against its category

The dotted line is the DIY & Tools average. Past it, Gutter Sealant is stronger. Inside it, weaker.

51Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Gutter Sealant market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Gutter Sealant 67K times last year and spent an estimated £47K. The top 5 brands take 71% of clicks. Demand peaks in Jun–Sep. Flapen scores it 51 out of 100, a Maybe.

01 · Demand

8.6% of searches ended in a purchase last week.

Shoppers searched for this 67K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 8.6% of those searches ended in a purchase. Searches in the last 90 days moved +10.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £47K a year.

Searches, last 12 months
67K
Growth, 90 days vs prior 90
+10.6%
Conversion, latest week
8.6%
Market size, estimated
£47Ka year
Peak month
September3.1× the quietest month
Top search term
gutter sealant36K searches a year

02 · Price

A sale here is worth £8.11.

Listings sell for £8.11 on average, from £2.71 to £15.61. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £8.11 that is £2K to £4K a year per listing.

Average price
£8.11under the $15 to $100 sweet spot
Price range
£2.71–£15.61
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
250–500
Revenue per listing a year
£2K–£4K
Returns
0.8%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

63% of listings pay for placement with sponsored ads. 89% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #186 within Building Supplies. It carries 3,345 reviews at 4.34 stars, so a new listing needs social proof before a better product.

Sponsored listings
63%
Prime listings
89%
Out of stock, average day
0.0%
Average rank
#186in Building Supplies
Average rating
4.34 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,345per listing
Listings tracked
27

04 · Newcomers

Amazon counts 1 of last year's 2 launches as successful.

2 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 53 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
53 months

Products

Top Gutter 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 46% of clicks. Leaders hold, but buyers still shop past them.

£0£2K£5K£7K£9K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 rising

Sellers

156

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

46%

Top 20: 91%

Open market

24%

  • FloPlast22%
  • Everbuild18%
  • GORILLA13%
  • EVO-STIK12%
  • Sika7%
  • Polar Specialist Coatings6%

Demand

Gutter Sealant search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K2KSpike '25Prime Day '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jun, Sep · busiest ÷ quietest = 3.1×

Search terms

Top Gutter Sealant search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • gutter sealant36K/yr
  • gutter rubber seal7K/yr
  • gutter seal7K/yr
  • gutter sealant black5K/yr
  • gutter seals3K/yr
  • roof and gutter sealant3K/yr
  • gutter repair3K/yr
  • guttering sealant3K/yr

Reviews and returns

What reviews say buyers love and hate about Gutter Sealant

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

Complain

Leak-Proof22%

Leak

Leaking pipe

Awful made the leaks worse

Adhesion/Stickiness15%−0.10

It struggles to stick to itself

Doesn't stick

Not an adhesive

Functionality-Overall12%−0.18

Doesnt do what it says it should do

Didn't work

Hasn't worked fully so far

Value For Money5%+0.05

I wondered why the product was priced suspiciously cheap

Not cheap,

Expensive

Ease Of Use3%+0.44

very hard to squeeze out

not user friendly

Bit messy to apply

Love

Quality-Overall22%+1.58

Quality Sealant

The seals are of high quality

Excellent Product

Advertised Vs Actual Product14%+1.44

As advertised

As described

Did the job perfect

Leak-Proof11%

no more leaks

and it's been leak free since

Good for small leaks

Adhesion/Stickiness8%−0.10

great sticky stuff

Sticks well

It Sticks

Ease Of Use7%+0.44

Easy to use

Easy to do

Easy to remove

Return

0.8% Return rate 46% Fixable by listing

Color20%█▆▇█▆▆

Was more grey colour than black

product is black

Turns yellow

Size-Overall17%▃▆▅▅▆█
Leak-Proof14%▄▅▅▅█▇

Leak

Leaking pipe

Awful made the leaks worse

Adhesion/Stickiness11%█▇▅▅▆▆

It struggles to stick to itself

Doesn't stick

Not an adhesive

Functionality-Overall9%█▇▄▅▃▅

Doesnt do what it says it should do

Didn't work

Hasn't worked fully so far

FAQ

Common Gutter Sealant questions

Answered from the same tracked data.