Caulk
prices mostly outside the sweet spot ($2.11–$14.07) — Caulk doesn't clear our bar today.
Flapen Score
Is Caulk profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Caulk is a £556K/yr Amazon United Kingdom market (468K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Feb. Verdict: Skip it — 43/100.
Caulk: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -20.0% over the last 90 days and 17.9% of searches end in a purchase.
£556K
revenue / yr
Who owns the niche?
The top 5 brands hold 97% of demand, so 3% of the market is open.
3%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 9 products
Top Caulk products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Sika Caulk Once Premium Quality Acrylic Caulk Highly Flexible Fast Drying White 295ml
- Price
- £2.60
- Rating
- 4.5/5
- Reviews
- 11,812
- Age
- 12y ago
Pack of 2 Soudal Decorator Caulk Gap & Crack Filler Acrylic Silcone Adhesive Sealant
- Price
- £5.30
- Rating
- 4.6/5
- Reviews
- 1,007
- Age
- 7y ago
EVO-STIK Decorators Caulk White - 280ml - Low-Movement Crack and Gap Filler - Fast-Drying - Can be Overpainted - Easy-to-Apply - Lasts Up To 15 Years
- Price
- £3.33
- Rating
- 4.4/5
- Reviews
- 56
- Age
- 11y ago
Decorators Caulk White Set - Bundle With Sealant Gun Silicone Tool Smoothing Set And White Caulk Gap And Crack Filler Acrylic Silicone Adhesive Sealant
- Price
- £14.07
- Rating
- 4.0/5
- Reviews
- 164
- Age
- 1y ago
Soudal Decorators Caulk Acrylic Gap & Crack Filler Silicone Sealant (x6)
- Price
- £9.83
- Rating
- 4.7/5
- Reviews
- 328
- Age
- 7y ago
Trending
90-day click momentumEVO-STIK Decorators Caulk White - 280ml - Low-Movement Crack and Gap Filler - Fast-Drying - Can be Overpainted - Easy-to-Apply - Lasts Up To 15 Years
- Price
- £3.33
- Rating
- 4.4/5
- Reviews
- 56
- Age
- 11y ago
Pack of 3 Soudal Decorator Caulk Gap & Crack Filler Acrylic Silcone Adhesive Sealant
- Price
- £6.33
- Rating
- 4.5/5
- Reviews
- 1,051
- Age
- 7y ago
SikaSeal One Hour Caulk (Previously Everflex 125) White 300 ml
- Price
- £2.11
- Rating
- 4.5/5
- Reviews
- 1,642
- Age
- 19y ago
Sika Caulk Once Premium Quality Acrylic Caulk Highly Flexible Fast Drying White 295ml
- Price
- £2.60
- Rating
- 4.5/5
- Reviews
- 11,812
- Age
- 12y ago
Decorators Caulk White Set - Bundle With Sealant Gun Silicone Tool Smoothing Set And White Caulk Gap And Crack Filler Acrylic Silicone Adhesive Sealant
- Price
- £14.07
- Rating
- 4.0/5
- Reviews
- 164
- Age
- 1y ago
Newest
by launch dateDecorators Caulk White Set - Bundle With Sealant Gun Silicone Tool Smoothing Set And White Caulk Gap And Crack Filler Acrylic Silicone Adhesive Sealant
- Price
- £14.07
- Rating
- 4.0/5
- Reviews
- 164
- Age
- 1y ago
Decorators Caulk White Set with Sealant Gun & Smoothing Tool
- Price
- £11.55
- Rating
- 4.1/5
- Reviews
- 74
- Age
- 1y ago
Pack of 2 Soudal Decorator Caulk Gap & Crack Filler Acrylic Silcone Adhesive Sealant
- Price
- £5.30
- Rating
- 4.6/5
- Reviews
- 1,007
- Age
- 7y ago
Pack of 3 Soudal Decorator Caulk Gap & Crack Filler Acrylic Silcone Adhesive Sealant
- Price
- £6.33
- Rating
- 4.5/5
- Reviews
- 1,051
- Age
- 7y ago
Soudal Decorators Caulk Acrylic Gap & Crack Filler Silicone Sealant (x6)
- Price
- £9.83
- Rating
- 4.7/5
- Reviews
- 328
- Age
- 7y ago
Competition: brands, sellers & click share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
Brands
6 falling
Sellers
57
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
0%
- Everbuild46%
- Soudal27%
- EETU11%
- EVO-STIK7%
- Sika5%
- Siroflex3%
Caulk demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Feb · busiest ÷ quietest = 1.8×
Top Caulk search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- caulk176K/yr
- decorators caulk white134K/yr
- decorators caulk46K/yr
- caulk white21K/yr
- caulking15K/yr
- white caulk10K/yr
- decorators caulk white paintable8K/yr
- chaulk6K/yr
- calk sealant7K/yr
- painters mate7K/yr
What reviews say buyers love and hate about Caulk
What buyers mention most, as a share of all reviews.
What buyers love
91% of reviews“Good smooth quality”
“Great value”
“Did the job”
“Easy to use”
“Easy to apply and great finish”
What buyers complain about
84% of reviews“Cheapest i could find excellent quality”
“Overall this is no better than the cheaper alternatives in my opinion”
“Hard to use”
“One of the tubes I bought was faulty”
“This means it shows as a different texture when painted is therefore clearly visible”
Caulk return rate & reasons
Why buyers send it back, as a share of all return requests.
0.2%
Return rate
13%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Caulk questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.
