Gutter Sealant
MaybeReturns 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 / 100Top 38% of 2,225 DIY & Tools niches · +2 vs the category median of 4951
- 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.
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.
Top sellers
by 90-day click share
Everbuild Everflex Roof and Gutter Sealant Butyl-Based Sealant and Adhesive for Roofing Excellent Weathering Properties Black 295 ml
- Price
- £2.71
- Rating
- 4.3/5
- Reviews
- 3,749
- Age
- 19y ago

EVO-STIK Roof and Gutter Sealant Repairs Leaks Excellent Weather Resistance Lasts up to 10 Years Colour: Black Size: 290ml
- Price
- £5.32
- Rating
- 4.2/5
- Reviews
- 54
- Age
- 12y ago

Sika Stixall Extreme Power Sealant and Adhesive Waterproof Black 290ml
- Price
- £4.42
- Rating
- 4.6/5
- Reviews
- 7,030
- Age
- 19y ago

FLOPLAST 114mm square gutter seal - Bag of 10
- Price
- £7.46
- Rating
- 4.5/5
- Reviews
- 486
- Age
- 8y ago

Polar Leak Fix Waterproof Sealant Spray 400ml Clear
- Price
- £10.74
- Rating
- 4.1/5
- Reviews
- 4,576
- Age
- 7y ago
Trending
90-day click momentum
Gorilla Waterproof Coat & Seal Clear 473ml - Weatherproof Liquid Sealant | Stops & Prevents Leaks | For Roof Tiles Brick Wood Metal Concrete Stone Rubber Plastics*
- Price
- £12.34
- Rating
- 4.5/5
- Reviews
- 2,353
- Age
- 1y ago

1ABOVE 400ml Waterproof Leak Sealant Spray for Roofs & Pipes
- Price
- £5.81
- Rating
- 4.3/5
- Reviews
- 126
- Age
- 4y ago

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

EVO-STIK Roof and Gutter Sealant Repairs Leaks Excellent Weather Resistance Lasts up to 10 Years Colour: Black Size: 290ml
- Price
- £5.32
- Rating
- 4.2/5
- Reviews
- 54
- Age
- 12y ago

EVO-STIK Sticks Like Sh*t Waterproof Sealant Clear - 290ml - All-Purpose - Mould resistant
- Price
- £6.47
- Rating
- 4.5/5
- Reviews
- 1,127
- Age
- 10y ago
Newest
by launch date
Stormdry One Coat Liquid Rubber Leak Seal (500ml Black) | Quick-Dry Waterproof Leak Sealer for Emergency Roof and Gutter Repair on Brick Concrete Metal Roof Felt | Self-Levelling
- Price
- £15.61
- Rating
- 4.4/5
- Reviews
- 139
- Age
- 11mo ago

Roof Sealant - Waterproof Bitumen Sealant for Roofing Felt Gutter Caravans and Asphalt Roof Felt Adhesive - Stops Leaks & Weatherproof (310ML)
- Price
- £10.10
- Rating
- 4.4/5
- Reviews
- 256
- Age
- 1y ago

Gorilla Waterproof Coat & Seal Clear 473ml - Weatherproof Liquid Sealant | Stops & Prevents Leaks | For Roof Tiles Brick Wood Metal Concrete Stone Rubber Plastics*
- Price
- £12.34
- Rating
- 4.5/5
- Reviews
- 2,353
- Age
- 1y ago

Gorilla Waterproof Black Coat & Seal Spray 450ml Flexible Weatherproof Liquid Sealant | Seals out Water Air & Moisture | For Roof Tiles Brick Wood Metal Concrete Stone Rubber Plastics*
- Price
- £13.39
- Rating
- 4.4/5
- Reviews
- 519
- Age
- 2y ago

Hemway Jet Black Construction Sealant & Adhesive 300ml - 1 Pack
- Price
- £8.50
- Rating
- 4.4/5
- Reviews
- 3,009
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 46% of clicks. Leaders hold, but buyers still shop past them.
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.
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
Leaking pipe
Awful made the leaks worse
It struggles to stick to itself
Doesn't stick
Not an adhesive
Doesnt do what it says it should do
Didn't work
Hasn't worked fully so far
I wondered why the product was priced suspiciously cheap
Not cheap,
Expensive
very hard to squeeze out
not user friendly
Bit messy to apply
Love
Quality Sealant
The seals are of high quality
Excellent Product
As advertised
As described
Did the job perfect
no more leaks
and it's been leak free since
Good for small leaks
great sticky stuff
Sticks well
It Sticks
Easy to use
Easy to do
Easy to remove
Return
0.8% Return rate 46% Fixable by listing
Was more grey colour than black
product is black
Turns yellow
Leak
Leaking pipe
Awful made the leaks worse
It struggles to stick to itself
Doesn't stick
Not an adhesive
Doesnt do what it says it should do
Didn't work
Hasn't worked fully so far
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 Gutter Sealant questions
Answered from the same tracked data.








