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Waterproof Sealant Mastic

Fail

Demand is soft, at -48.4% this quarter, so Waterproof Sealant Mastic is a Fail.

Flapen Score
44
44 / 100
Ranks 6,173 of 9,536 Tools & Home Improvement niches · −4 vs the category median of 48
Market size
$140K/yr150K searches / yr
90-day growth
-48.4%search demand this quarter
Competition
71%top-5 click share · 11 brands · 19 sellers

Flapen Score

Waterproof Sealant Mastic against its category

The dotted line is the Tools & Home Improvement average. Past it, Waterproof Sealant Mastic is stronger. Inside it, weaker.

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Waterproof Sealant Mastic market on Amazon at a glance

Shoppers on Amazon United States searched for Waterproof Sealant Mastic 150K times last year and spent an estimated $140K. The top 5 brands take 79% of clicks. Demand peaks in Feb–Jul–Aug. Flapen scores it 44 out of 100, a Fail.

01 · Demand

9.2% of searches ended in a purchase last week.

Shoppers searched for this 150K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 9.2% of those searches ended in a purchase. Searches in the last 90 days moved -48.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $140K a year.

Searches, last 12 months
150K
Growth, 90 days vs prior 90
-48.4%
Conversion, latest week
9.2%
Market size, estimated
$140Ka year
Peak month
February2.5× the quietest month
Top search term
sealant clay79K searches a year

02 · Price

A sale here is worth $10.15.

Listings sell for $10.15 on average, from $5.00 to $17.55. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 500 to 750 of them. At $10.15 that is $5K to $8K a year per listing.

Average price
$10.15under the $15 to $100 sweet spot
Price range
$5.00–$17.55
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
13K–15K
Units per listing a year
500–750
Revenue per listing a year
$5K–$8K
Returns
0.7%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 6.3% of listings are out of stock. The average listing ranks #263 within Adhesives & Sealers. It carries 297 reviews at 4.37 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
6.3%
Average rank
#263in Adhesives & Sealers
Average rating
4.37 starsAmazon United States average 4.42 stars
Average reviews
297per listing
Listings tracked
14

04 · Newcomers

Amazon counts 4 of last year's 8 launches as successful.

8 products launched here in the last 12 months. Amazon counts 4 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 44 months on average, so the names here are settling in.

Launched, last 12 months
8
Successful launches
4Amazon's first-year sales bar
Average brand age
44 months

Products

Top Waterproof Sealant Mastic 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 71% of clicks. A locked shelf that new listings rarely crack.

$0$14K$28K$42K$56K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

19

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

14%

  • JSWKKGD36%
  • ZFYOUNG15%
  • ZXFUTURE10%
  • SOPAMI9%
  • KEPTFIT8%
  • Generic8%
  • Open — no brand owns it (5 brands, 14%)

Demand

Waterproof Sealant Mastic search demand

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

10K6KSpike '24Black Friday '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Feb, Jul, Aug · busiest ÷ quietest = 2.5×

Search terms

Top Waterproof Sealant Mastic search terms shoppers use

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

  • sealant clay79K/yr
  • sealant clay waterproof17K/yr
  • sealing clay7K/yr
  • waterproof sealant mastic19K/yr
  • sealing mastic8K/yr
  • waterproof sealant clay6K/yr
  • sealant mastic4K/yr
  • moldable sealant clay3K/yr
  • moldable sealant clay waterproof2K/yr
  • sealing mastic waterproof3K/yr

Reviews and returns

What reviews say buyers love and hate about Waterproof Sealant Mastic

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

28%of positive reviews mention “Ease Of Use”
23%of negative reviews mention “Functionality-Overall”
0.7%of orders come back
“Not effective at all”
A buyer, on “Functionality-Overall”23% 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.

14 topics

NegativePositive

FAQ

Common Waterproof Sealant Mastic questions

Answered from the same tracked data.