Sealant Gun
FailDemand is soft, at -19.6% this quarter, so Sealant Gun is a Fail.
- Flapen Score
- 48 / 100Ranks 1,131 of 2,225 DIY & Tools niches · −1 vs the category median of 4948
- Market size
- £931K/yr666K searches / yr
- 90-day growth
- -19.6%search demand this quarter
- Competition
- 81%top-5 click share · 11 brands · 37 sellers
Flapen Score
Sealant Gun against its category
The dotted line is the DIY & Tools average. Past it, Sealant Gun is stronger. Inside it, weaker.
Market
The Sealant Gun market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Sealant Gun 666K times last year and spent an estimated £931K. The top 5 brands take 81% of clicks. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 16.6% of those searches ended in a purchase.
Shoppers searched for this 666K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 16.6% of those searches ended in a purchase. Searches in the last 90 days moved -19.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £931K a year.
- Searches, last 12 months
- 666K
- Growth, 90 days vs prior 90
- -19.6%
- Conversion, latest week
- 16.6%
- Market size, estimated
- £931Ka year
- Peak month
- October1.4× the quietest month
- Top search term
- caulking gun134K searches a year
02 · Price
A sale here is worth £8.45.
Listings sell for £8.45 on average, from £3.48 to £17.52. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 5,000 to 6,000 of them. At £8.45 that is £42K to £51K a year per listing.
- Average price
- £8.45under the $15 to $100 sweet spot
- Price range
- £3.48–£17.52
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 80K–100K
- Units per listing a year
- 5,000–6,000
- Revenue per listing a year
- £42K–£51K
- Returns
- 0.6%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
64% 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 #8 within Hand Tools. It carries 2,054 reviews at 4.51 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 64%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #8in Hand Tools
- Average rating
- 4.51 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,054per listing
- Listings tracked
- 11
04 · Newcomers
2 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 47 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 47 months
Products
Top Sealant Gun 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.
Top sellers
by estimated 90-day click share
Amazon Basics Heavy Duty Sealant Caulking Gun - 310 ml (0.3 Litres) - 12:1 Thrust Ratio Aluminium handle with plastic support grip Blue/Grey
- Price
- £6.48
- Rating
- 4.7/5
- Reviews
- 5,159
- Age
- 6y ago

Axus Decor Caulking Gun - for C3/310ml and C4/400ml Cartridges - Heavy Duty Sealant Gun with Ladder Hook and Finger Contoured Grip - for Professional & DIY Enthusiasts Red
- Price
- £4.20
- Rating
- 4.5/5
- Reviews
- 682
- Age
- 13y ago

Ram Heavy Duty Caulking Gun Extra Strong Skeleton Applicator for Silicones Sealant Adhesives Cartridge Gun Fits 400ML & 310ML Tubes
- Price
- £4.04
- Rating
- 4.4/5
- Reviews
- 82
- Age
- 8mo ago

JD Brands Extra Strong Caulking Gun Heavy Duty Skeleton Applicator for Sealants Adhesives Silicones Professional High Viscosity Cartridge Gun Blue Fits 400ml & 310ml Tubes
- Price
- £5.86
- Rating
- 4.5/5
- Reviews
- 288
- Age
- 1y ago

Dekton Professional Caulking Gun Metal Frame Hexagon Rod with Hooked End Plunger Handle with Release Lever Ideal for Sealants & Adhesives
- Price
- £3.48
- Rating
- 4.3/5
- Reviews
- 75
- Age
- 6mo ago
Trending
estimated 90-day click momentum
Ram Heavy Duty Caulking Gun Extra Strong Skeleton Applicator for Silicones Sealant Adhesives Cartridge Gun Fits 400ML & 310ML Tubes
- Price
- £4.04
- Rating
- 4.4/5
- Reviews
- 82
- Age
- 8mo ago

Dekton Professional Caulking Gun Metal Frame Hexagon Rod with Hooked End Plunger Handle with Release Lever Ideal for Sealants & Adhesives
- Price
- £3.48
- Rating
- 4.3/5
- Reviews
- 75
- Age
- 6mo ago

Everbuild Super Flow Sealant/Adhesive Cartridge Applicator Gun with Rotating Barrel Soft Grip Handle For Cartridges Up to 310 ml
- Price
- £13.79
- Rating
- 4.6/5
- Reviews
- 1,870
- Age
- 12y ago

wolfcraft MG 100 Caulking Gun - Drip-Stop Sealant Gun for 310 ml Cartridges
- Price
- £6.48
- Rating
- 4.6/5
- Reviews
- 8,699
- Age
- 10y ago

Amazon Basics Heavy Duty Sealant Caulking Gun - 310 ml (0.3 Litres) - 12:1 Thrust Ratio Aluminium handle with plastic support grip Blue/Grey
- Price
- £6.48
- Rating
- 4.7/5
- Reviews
- 5,159
- Age
- 6y ago
Newest
by launch date
Dekton Professional Caulking Gun Metal Frame Hexagon Rod with Hooked End Plunger Handle with Release Lever Ideal for Sealants & Adhesives
- Price
- £3.48
- Rating
- 4.3/5
- Reviews
- 75
- Age
- 6mo ago

Ram Heavy Duty Caulking Gun Extra Strong Skeleton Applicator for Silicones Sealant Adhesives Cartridge Gun Fits 400ML & 310ML Tubes
- Price
- £4.04
- Rating
- 4.4/5
- Reviews
- 82
- Age
- 8mo ago

JD Brands Extra Strong Caulking Gun Heavy Duty Skeleton Applicator for Sealants Adhesives Silicones Professional High Viscosity Cartridge Gun Blue Fits 400ml & 310ml Tubes
- Price
- £5.86
- Rating
- 4.5/5
- Reviews
- 288
- Age
- 1y ago

G4GADGET Heavy Duty Sealant Caulking Gun - 310ml (0.3L) | Extra Strong Skeleton Applicator for Sealants Silicones and Adhesives | Professional Grade with Ergonomic Grip & Rotating Barrel
- Price
- £5.96
- Rating
- 4.2/5
- Reviews
- 394
- Age
- 1y ago

WORKPRO Sealant Caulking Gun 9:1 & 18:1 Adjustable Thrust Ratio for Applying 290-310 ml Cartridge Caulks Sealants Silicones Adhesives
- Price
- £16.74
- Rating
- 4.6/5
- Reviews
- 3,204
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.
Brands
11 falling
Sellers
37
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
81%
Top 20: 100%
Open market
14%
- Amazon Basics40%
- Axus Decor19%
- RAM ONLINE10%
- JD Brands7%
- DEKTON5%
- Wolfcraft5%
- Open — no brand owns it (5 brands, 14%)
Demand
Sealant Gun search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Sealant Gun search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- caulking gun134K/yr
- silicone gun141K/yr
- sealant gun119K/yr
- mastic gun74K/yr
- caulk gun46K/yr
- caulking guns35K/yr
- silicone gun applicator24K/yr
- silicon gun16K/yr
- silicone sealant gun15K/yr
- sealant gun applicator11K/yr
Reviews and returns
What reviews say buyers love and hate about Sealant Gun
We read the reviews and the return reasons for every product selling here.
“Broke on first use”
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.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sealant Gun 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








