---
title: "Trend — waterproof sealant mastic - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/waterproof-sealant-mastic/trend"
last_updated: "2026-08-08T13:44:16.471Z"
locale: en
meta:
  description: "Niche score 44/100 · $140K/yr market · 150K searches/yr · $10.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $140K/yr market · 150K searches/yr · $10.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — waterproof sealant mastic - Flapen"
---

# **waterproof sealant mastic**

**Skip it**

Soft demand (-48.4% this quarter) — this niche doesn't clear our bar today.

Market size 31Growth 1Conversion 84Competition 24Returns 97Price range 20Avg price 35Brand share 44Review moat 85Quality gap 63

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****296.86**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Great****9.2%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Avg price**

**Okay****$10.15**

avg listing price — sweet spot $15–$100

**Market size**

**Okay****$140K**

$140K/yr · 150K searches

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Price range**

**Bad****$5.00–$17.55**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Bad****-48.4%**

90-day search growth — must beat 0% to launch

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend