---
title: "Reviews — gutter sealant - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/gutter-sealant/reviews"
last_updated: "2026-07-31T16:12:59.828Z"
locale: en
meta:
  description: "Niche score 51/100 · £47K/yr market · 67K searches/yr. Prices mostly outside the sweet spot ($2.71–$15.61) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · £47K/yr market · 67K searches/yr. Prices mostly outside the sweet spot ($2.71–$15.61) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — gutter sealant - Flapen"
---

# **gutter sealant**

**Worth a look**

Shows low returns (0.8%), but prices mostly outside the sweet spot ($2.71–$15.61) keeps it on the watch list.

Market size 12Growth 38Conversion 81Competition 66Returns 96Price range 5Avg price 23Brand share 57Review moat 32Quality gap 68

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****8.6%**

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

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****46%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****71%**

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

**Growth**

**Okay****+10.6%**

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

**Review moat**

**Okay****3,345.41**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Bad****£8.11**

avg listing price — sweet spot $15–$100

**Market size**

**Bad****£47K**

£47K/yr · 67K searches

**Price range**

**Bad****£2.71–£15.61**

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