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Flexible Filler

Fail

The top 5 brands take 100% of clicks, so Flexible Filler is a Fail.

Flapen Score
33
33 / 100
Ranks 2,147 of 2,225 DIY & Tools niches · −16 vs the category median of 49
Market size
£45K/yr53K searches / yr
90-day growth
-14.9%search demand this quarter
Competition
89%top-5 click share · 5 brands · 67 sellers

Flapen Score

Flexible Filler against its category

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

33Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Flexible Filler market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Flexible Filler 53K times last year and spent an estimated £45K. All 5 brands take every click. Flapen scores it 33 out of 100, a Fail.

01 · Demand

An estimated 12.0% of those searches ended in a purchase.

Shoppers searched for this 53K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.0% of those searches ended in a purchase. Searches in the last 90 days moved -14.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £45K a year.

Searches, last 12 months
53K
Growth, 90 days vs prior 90
-14.9%
Conversion, latest week
12.0%
Market size, estimated
£45Ka year
Top search term
toupret fill flex25K searches a year

02 · Price

A sale here is worth £7.04.

Listings sell for £7.04 on average, from £2.60 to £14.63. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At £7.04 that is £4K to £5K a year per listing.

Average price
£7.04under the $15 to $100 sweet spot
Price range
£2.60–£14.63
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
500–750
Revenue per listing a year
£4K–£5K
Returns
0.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

44% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #250 within Adhesives & Sealers. It carries 2,805 reviews at 4.44 stars, so a new listing needs social proof before a better product.

Sponsored listings
44%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#250in Adhesives & Sealers
Average rating
4.44 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,805per listing
Listings tracked
9

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.

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

Products

Top Flexible Filler products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 89% of clicks. A locked shelf that new listings rarely crack.

£0£7K£14K£20K£27K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 flat

Sellers

67

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

89%

Top 20: 100%

Open market

0%

  • Toupret73%
  • Ronseal17%
  • Sika5%
  • GORILLA3%
  • Everbuild2%

Demand

Flexible Filler search demand

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

4K3KSpike '26DecJanFebMarAprMayJunJul

Peak months: Apr · busiest ÷ quietest = 5.4× · 8 of 12 months tracked

Search terms

Top Flexible Filler search terms shoppers use

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

  • toupret fill flex25K/yr
  • flexible filler20K/yr
  • flexible filler for wall cracks6K/yr
  • toupret flexible filler3K/yr

Reviews and returns

What reviews say buyers love and hate about Flexible Filler

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Ease Of Use”
18%of negative reviews mention “Quality-Overall”
0.3%of orders come back
“Absolutely terrible filler”
A buyer, on “Quality-Overall”18% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Flexible Filler questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data