Radonseal
MaybeReturns run at only 1.3% of orders. But buyers convert on only 2.0% of searches, so Radonseal is a Maybe.
- Flapen Score
- 55 / 100Top 21% of 9,536 Tools & Home Improvement niches · +7 vs the category median of 4855
- Market size
- $215K/yr90K searches / yr
- 90-day growth
- +40.2%search demand this quarter
- Competition
- 48%top-5 click share · 15 brands · 76 sellers
Flapen Score
Radonseal against its category
The dotted line is the Tools & Home Improvement average. Past it, Radonseal is stronger. Inside it, weaker.
Market
The Radonseal market on Amazon at a glance
Shoppers on Amazon United States searched for Radonseal 90K times last year and spent an estimated $215K. The top 5 brands take 79% of clicks. Demand peaks in Apr–Jun–Jul. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
2.0% of searches ended in a purchase last week.
Shoppers searched for this 90K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 2.0% of those searches ended in a purchase. Searches in the last 90 days moved +40.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $215K a year.
- Searches, last 12 months
- 90K
- Growth, 90 days vs prior 90
- +40.2%
- Conversion, latest week
- 2.0%
- Market size, estimated
- $215Ka year
- Peak month
- June2.2× the quietest month
- Top search term
- foundation crack repair injection kit14K searches a year
02 · Price
A sale here is worth $117.51.
Listings sell for $117.51 on average, from $6.63 to $279.05. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $117.51 that is $12K to $29K a year per listing.
- Average price
- $117.51above the $15 to $100 sweet spot
- Price range
- $6.63–$279.05
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $12K–$29K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
76% of listings pay for placement with sponsored ads. 66% ship with Prime. On an average day, 1.7% of listings are out of stock. The average listing ranks #390 within Adhesives & Sealers. It carries 952 reviews at 4.37 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 76%
- Prime listings
- 66%
- Out of stock, average day
- 1.7%
- Average rank
- #390in Adhesives & Sealers
- Average rating
- 4.37 starsAmazon United States average 4.42 stars
- Average reviews
- 952per listing
- Listings tracked
- 29
04 · Newcomers
Amazon counts 1 of last year's 3 launches as successful.
3 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 62 months on average, so the names here are established.
- Launched, last 12 months
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 62 months
Products
Top Radonseal products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
RadonSeal Complete DIY Foundation Crack Repair Kit 10 ft - Low-Viscosity Urethane Injection Sealant for Crawl Spaces & Concrete Basement Walls - Stops Water Leaks - Drill-Free Filler
- Price
- $154.66
- Rating
- 4.6/5
- Reviews
- 1,167
- Age
- 14y ago

Concrete Crack Injection Kit DIY Basement Wall Crack Repair Polyurethane Leak Seal System Stops Active Water Leaks in Foundation Walls Easy No-Dig Injection Repair Kit - Ideal for DIY Projects
- Price
- $131.17
- Rating
- 4.3/5
- Reviews
- 8
- Age
- 1y ago

DRICORE PRO Concrete Repair Crack Injection Kit (5) | Injectable Filler: Repair Cracked Foundations Walls Basements Cement Structures | Waterproof Wet Or Dry Cracks | Expands 15x Its Volume
- Price
- $66.24
- Rating
- 3.6/5
- Reviews
- 9
- Age
- 1y ago

RadonSeal Plus Concrete Sealer Deep Penetrating Waterproofing for Basement Floors Foundation Walls & Concrete Block Reduces Moisture & Strengthens Concrete (5 Gallon)
- Price
- $239.15
- Rating
- 4.1/5
- Reviews
- 360
- Age
- 14y ago

10 Fast Set Concrete Foundation Crack Repair Kit-Hydra Stop 300 Injection System Polyurethane Concrete Crack Repair Basement Wall Leak Sealant & Foundation Concrete Filler Tough Waterproof Seal
- Price
- $156.00
- Rating
- 4.3/5
- Reviews
- 701
- Age
- 14y ago
Trending
90-day click momentum
SOLIDFIX Solutions Concrete Crack Repair Kit Foundation Crack Repair for Basement Walls Fast Setting and Easy to use Ideal for Basement Foundation Repair & DIY Projects. Made in the US (5 Feet Fix)
- Price
- $84.75
- Rating
- 4.3/5
- Reviews
- 8
- Age
- 4mo ago

SolidFix Wall Crack Pro Repair Kit - Stops Basement & Foundation Leaks Permanently - Professional Urethane Injection System - DIY Friendly (Repairs 10ft of Cracks - Without Tool)
- Price
- $124.89
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 4mo ago

Concrete Crack Injection Kit DIY Basement Wall Crack Repair Polyurethane Leak Seal System Stops Active Water Leaks in Foundation Walls Easy No-Dig Injection Repair Kit - Ideal for DIY Projects
- Price
- $131.17
- Rating
- 4.3/5
- Reviews
- 8
- Age
- 1y ago

DRICORE PRO Concrete Repair Carbon Fiber Reinforcement Kit (Step Three) | Use Reinforcing Strip With Adhesive To Seal Vertical Indoor and Outdoor Cracks in Home Wall Basement Building Office Workplace
- Price
- $83.78
- Rating
- 4.1/5
- Reviews
- 6
- Age
- 5y ago

DRICORE PRO Concrete Repair Crack Injection Kit (5) | Injectable Filler: Repair Cracked Foundations Walls Basements Cement Structures | Waterproof Wet Or Dry Cracks | Expands 15x Its Volume
- Price
- $66.24
- Rating
- 3.6/5
- Reviews
- 9
- Age
- 1y ago
Newest
by launch date
SolidFix Wall Crack Pro Repair Kit - Stops Basement & Foundation Leaks Permanently - Professional Urethane Injection System - DIY Friendly (Repairs 10ft of Cracks - Without Tool)
- Price
- $124.89
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 4mo ago

SOLIDFIX Solutions Concrete Crack Repair Kit Foundation Crack Repair for Basement Walls Fast Setting and Easy to use Ideal for Basement Foundation Repair & DIY Projects. Made in the US (5 Feet Fix)
- Price
- $84.75
- Rating
- 4.3/5
- Reviews
- 8
- Age
- 4mo ago

Fernco 10 ft Basement and Foundation Wall Crack Repair Kit Leak Stop and Radon Gas Protection Pro Kit
- Price
- $137.56
- Rating
- 4.0/5
- Reviews
- 11
- Age
- 6mo ago

SolidFix 10ft Concrete Crack Repair Kit with All Tools Professional Urethane Injection System Wall Repair Paste for DIY Projects -Ideal Crack Filler to Stop Basement & Foundation Leak Permanently
- Price
- $157.47
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 1y ago

DRICORE PRO Concrete Repair Crack Injection Kit (5) | Injectable Filler: Repair Cracked Foundations Walls Basements Cement Structures | Waterproof Wet Or Dry Cracks | Expands 15x Its Volume
- Price
- $66.24
- Rating
- 3.6/5
- Reviews
- 9
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 48% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 rising
Sellers
76
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
48%
Top 20: 91%
Open market
15%
- RadonSeal36%
- SolidFix Solutions16%
- DRICORE11%
- Applied Technologies9%
- HXOGYUB7%
- DAP6%
- Open — no brand owns it (9 brands, 15%)
Demand
Radonseal search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, Jun, Jul · busiest ÷ quietest = 2.2×
Search terms
Top Radonseal search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- foundation crack repair injection kit14K/yr
- foundation repair kit7K/yr
- radonseal8K/yr
- foundation crack filler5K/yr
- foundation crack repair6K/yr
- epoxy injection kit4K/yr
- dricore concrete repair crack injection kit3K/yr
- foundation epoxy injection kit3K/yr
- radon seal4K/yr
- dricore4K/yr
Reviews and returns
What reviews say buyers love and hate about Radonseal
We read the reviews and the return reasons for every product selling here.
“Durability questionable”
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.
18 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 Radonseal questions
Answered from the same tracked data.









