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Damp Proof Membrane

Maybe

Returns run at only 0.5% of orders. But shoppers spend only $82K a year here, so Damp Proof Membrane is a Maybe.

Flapen Score
60
60 / 100
Top 7% of 2,225 DIY & Tools niches · +11 vs the category median of 49
Market size
£82K/yr138K searches / yr
90-day growth
+9.1%search demand this quarter
Competition
39%top-5 click share · 23 brands · 45 sellers

Flapen Score

Damp Proof Membrane against its category

The dotted line is the DIY & Tools average. Past it, Damp Proof Membrane is stronger. Inside it, weaker.

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Damp Proof Membrane market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Damp Proof Membrane 138K times last year and spent an estimated £82K. The top 5 brands take 53% of clicks. Demand peaks in Apr–May. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

4.5% of searches ended in a purchase last week.

Shoppers searched for this 138K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 4.5% of those searches ended in a purchase. Searches in the last 90 days moved +9.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £82K a year.

Searches, last 12 months
138K
Growth, 90 days vs prior 90
+9.1%
Conversion, latest week
4.5%
Market size, estimated
£82Ka year
Peak month
April2.1× the quietest month
Top search term
damp proof membrane58K searches a year

02 · Price

A sale here is worth £13.29.

Listings sell for £13.29 on average, from £4.18 to £46.73. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 100 to 250 of them. At £13.29 that is £1K to £3K a year per listing.

Average price
£13.29under the $15 to $100 sweet spot
Price range
£4.18–£46.73
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
0.5%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

78% of listings pay for placement with sponsored ads. 59% ship with Prime. On an average day, 7.7% of listings are out of stock. The average listing ranks #717 within Building Supplies. It carries 415 reviews at 4.41 stars, so a new listing needs social proof before a better product.

Sponsored listings
78%
Prime listings
59%
Out of stock, average day
7.7%
Average rank
#717in Building Supplies
Average rating
4.41 starsAmazon United Kingdom average 4.36 stars
Average reviews
415per listing
Listings tracked
41

04 · Newcomers

Amazon counts 0 of last year's 3 launches as successful.

3 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 48 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
0Amazon's first-year sales bar
Average brand age
48 months

Products

Top Damp Proof Membrane 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 only 39% of clicks. An open shelf where new products get seen.

£0£2K£5K£7K£10K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

23 rising

Sellers

45

Top-5 brand share

53%

Top 20: 98%

Top-5 click share

39%

Top 20: 83%

Open market

40%

  • Silver Star13%
  • B2C12%
  • VISQUEEN10%
  • Bond It9%
  • CHESTAF8%
  • PROMORE7%

Demand

Damp Proof Membrane search demand

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

4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May · busiest ÷ quietest = 2.1×

Search terms

Top Damp Proof Membrane search terms shoppers use

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

  • damp proof membrane58K/yr
  • dpm membrane19K/yr
  • dpm12K/yr
  • waterproof membrane12K/yr
  • visqueen sheeting8K/yr
  • dpc membrane7K/yr
  • visqueen6K/yr
  • waterproof membrane for sheds5K/yr
  • damp proof membrane roll5K/yr
  • dampproof membrane4K/yr

Reviews and returns

What reviews say buyers love and hate about Damp Proof Membrane

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

Complain

Thickness31%−0.16

Thickness of sheeting

not as thick as I thought it would be

Not especially thick

Material Quality14%−0.10

Black and made of plastic

it is literally just a sheet of plastic

thin material, returned

Advertised Vs Actual Product9%−0.01

Completely unfit for advertised use

This is NOT SUITABLE FOR ADVERTISED PURPOSES

1★ – Not as described

Weight Heavy7%−0.04

Not heavy duty

Not particularly heavy duty

This Black Plastic Sheeting is NOT Heavy Duty

Value For Money4%+0.73

just thought it was a little expensive

waste of money

Love

Quality-Overall19%+1.69

I also appreciated how consistent the quality feels across the whole sheet

Great quality liner for garden planters

Brilliant quality

Value For Money13%+0.73

reasonable priced

great value

Good value

Strength13%+0.83

Not much you can say, its strong and easy to cut to shape

Nothing flimsy about this

Really strong

Advertised Vs Actual Product12%−0.01

Did as advertised

Does the job

As described

Thickness9%−0.16

Decent thick plastic

Good thick quality

Really good thick sheets

Return

0.5% Return rate 41% Fixable by listing

Thin20%▁▃▃█▅▇
Size-Overall20%█▃█▃▅▆

it actually measured 4 x 1.9 metres very unhappy with this because it wasent big enough for the job it was intended for

Advertised Vs Actual Product8%█▂▁▁▅▁

Completely unfit for advertised use

This is NOT SUITABLE FOR ADVERTISED PURPOSES

1★ – Not as described

Paint Quality7%██▁▂▁▁
Quality-Overall7%▁▁▆█▅█

FAQ

Common Damp Proof Membrane questions

Answered from the same tracked data.