Waterproof Sealant
MaybeReturns run at only 0.6% of orders. But demand is soft, at -21.9% this quarter, so Waterproof Sealant is a Maybe.
- Flapen Score
- 52 / 100Top 33% of 2,225 DIY & Tools niches · +3 vs the category median of 4952
- Market size
- £122K/yr180K searches / yr
- 90-day growth
- -21.9%search demand this quarter
- Competition
- 44%top-5 click share · 21 brands · 209 sellers
Flapen Score
Waterproof Sealant against its category
The dotted line is the DIY & Tools average. Past it, Waterproof Sealant is stronger. Inside it, weaker.
Market
The Waterproof Sealant market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Waterproof Sealant 180K times last year and spent an estimated £122K. The top 5 brands take 64% of clicks. Demand peaks in Sep. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
7.3% of searches ended in a purchase last week.
Shoppers searched for this 180K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 7.3% of those searches ended in a purchase. Searches in the last 90 days moved -21.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £122K a year.
- Searches, last 12 months
- 180K
- Growth, 90 days vs prior 90
- -21.9%
- Conversion, latest week
- 7.3%
- Market size, estimated
- £122Ka year
- Peak month
- September2.1× the quietest month
- Top search term
- waterproof sealant57K searches a year
02 · Price
A sale here is worth £9.31.
Listings sell for £9.31 on average, from £2.57 to £17.33. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 100 to 250 of them. At £9.31 that is £931 to £2K a year per listing.
- Average price
- £9.31under the $15 to $100 sweet spot
- Price range
- £2.57–£17.33
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £931–£2K
- 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. 94% ship with Prime. On an average day, 4.0% of listings are out of stock. The average listing ranks #108 within Adhesives & Sealers. It carries 2,801 reviews at 4.33 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 94%
- Out of stock, average day
- 4.0%
- Average rank
- #108in Adhesives & Sealers
- Average rating
- 4.33 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,801per listing
- Listings tracked
- 36
04 · Newcomers
Amazon counts 3 of last year's 7 launches as successful.
7 products launched here in the last 12 months. Amazon counts 3 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 7
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top Waterproof 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
Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (300 G)
- Price
- £7.64
- Rating
- 4.4/5
- Reviews
- 4,231
- Age
- 11mo 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

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

Gorilla 1144110 All Conditions Sealant Silicone Clear 295ml
- Price
- £9.02
- Rating
- 4.6/5
- Reviews
- 5,330
- Age
- 7y ago

UniBond Outdoor Window and Door Frame Sealant Premium Silicone Sealant Suitable for Use on Various Materials* Waterproof and Weather Resistant White 1 x 392g Cartridge
- Price
- £7.04
- Rating
- 4.5/5
- Reviews
- 2,314
- Age
- 10y ago
Trending
90-day click momentum
WYCOON Invisible Waterproof Sealant 1KG Transparent Liquid Sealant for Leak Repair Waterproof Adhesive Coating for Indoor & Outdoor Use Roof Bathroom Shower
- Price
- £16.63
- Rating
- 4.4/5
- Reviews
- 43
- Age
- 6mo ago

Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (300 G)
- Price
- £7.64
- Rating
- 4.4/5
- Reviews
- 4,231
- Age
- 11mo ago

SCNK 1000g Transparent Waterproof Coating Agent Super Strong Waterproof Insulating Sealant Invisible Waterproofing Sealant for Roofs Walls Indoor and Outdoor Use
- Price
- £17.08
- Rating
- 4.4/5
- Reviews
- 766
- Age
- 1y 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

Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (500 G)
- Price
- £9.91
- Rating
- 4.4/5
- Reviews
- 4,231
- Age
- 1y ago
Newest
by launch date
WYCOON Invisible Waterproof Sealant 1KG Transparent Liquid Sealant for Leak Repair Waterproof Adhesive Coating for Indoor & Outdoor Use Roof Bathroom Shower
- Price
- £16.63
- Rating
- 4.4/5
- Reviews
- 43
- Age
- 6mo ago

Gorilla Grab & Seal 290ml Two-in-One Waterproof Grab Adhesive & Sealant Hybrid | Bonds Skirting Kitchens Bathrooms Windows & Doors | High Strength Mould Resistant Paintable All-Weather Use
- Price
- £9.63
- Rating
- 4.1/5
- Reviews
- 59
- Age
- 10mo ago

Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (300 G)
- Price
- £7.64
- Rating
- 4.4/5
- Reviews
- 4,231
- Age
- 11mo ago

Silicone Sealant | Clear Silicone Sealant with Finishing Tool For a Smooth & Professional Finish | Waterproof & Anti-Mould Protection
- Price
- £7.39
- Rating
- 4.0/5
- Reviews
- 1,121
- Age
- 1y 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
Competition
Competition: brands, sellers & click share
The top 5 products take 44% of clicks. Leaders hold, but buyers still shop past them.
Brands
21 falling
Sellers
209
Top-5 brand share
64%
Top 20: 99%
Top-5 click share
44%
Top 20: 83%
Open market
30%
- Tufinein19%
- Everbuild13%
- GORILLA13%
- Unibond11%
- EVO-STIK9%
- Sika6%
Demand
Waterproof Sealant search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep · busiest ÷ quietest = 2.1×
Search terms
Top Waterproof Sealant search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- waterproof sealant57K/yr
- waterproof sealant outdoor16K/yr
- clear waterproof sealant15K/yr
- outdoor sealant11K/yr
- outdoor silicone sealant waterproof8K/yr
- water sealant11K/yr
- outdoor sealant waterproof8K/yr
- floor sealant10K/yr
- external sealant waterproof5K/yr
- water proof sealant4K/yr
Reviews and returns
What reviews say buyers love and hate about Waterproof Sealant
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Poor adhesive
Doesnt stick
Not very sticky
Not user friendly
Difficult to use
Difficult to squeeze
item leaked everywhere
it can start to drip
leak still there
doesnt do what it says it would
Did Not Work
So unusable for the job I want to do
Not worth the price I feel
I wondered why the product was priced suspiciously cheap
A little expensive
Love
very pleased with quality to date
Good product great result
Excellent Product
As advertised
just what you need
As described
Fair price
Decent price
Great value
Easy to use
easy to handle
Easy to Apply
Strong and easy to use adhesive
STICKS VERY WELL
Good adhesion
Return
0.6% Return rate 59% Fixable by listing
Not recommend turned yellow after few days
Turns yellow
Turns yellow after a couple weeks and looks awful
doesnt do what it says it would
Did Not Work
So unusable for the job I want to do
Poor adhesive
Doesnt stick
Not very sticky
Small tube
not fit for purpose in my experience
is tiny
item leaked everywhere
it can start to drip
leak still there
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 Waterproof Sealant questions
Answered from the same tracked data.








