Foundation Sealant
FailThe top 5 brands take 95% of clicks, so Foundation Sealant is a Fail.
- Flapen Score
- 48 / 100Ranks 4,568 of 9,536 Tools & Home Improvement niches · on the category median48
- Market size
- $95K/yr29K searches / yr
- 90-day growth
- +72.8%search demand this quarter
- Competition
- 78%top-5 click share · 7 brands · 40 sellers
Flapen Score
Foundation Sealant against its category
The dotted line is the Tools & Home Improvement average. Past it, Foundation Sealant is stronger. Inside it, weaker.
Market
The Foundation Sealant market on Amazon at a glance
Shoppers on Amazon United States searched for Foundation Sealant 29K times last year and spent an estimated $95K. The top 5 brands take 95% of clicks. Demand peaks in Apr–Jun–Jul. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 5.0% of those searches ended in a purchase.
Shoppers searched for this 29K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.0% of those searches ended in a purchase. Searches in the last 90 days moved +72.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $95K a year.
- Searches, last 12 months
- 29K
- Growth, 90 days vs prior 90
- +72.8%
- Conversion, latest week
- 5.0%
- Market size, estimated
- $95Ka year
- Peak month
- April3.3× the quietest month
- Top search term
- foundation sealant12K searches a year
02 · Price
A sale here is worth $64.52.
Listings sell for $64.52 on average, from $6.63 to $199.11. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $64.52 that is $6K to $16K a year per listing.
- Average price
- $64.52inside the $15 to $100 sweet spot
- Price range
- $6.63–$199.11
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $6K–$16K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #191 within Adhesives & Sealers. It carries 2,179 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 92%
- Out of stock, average day
- 0.0%
- Average rank
- #191in Adhesives & Sealers
- Average rating
- 4.47 starsAmazon United States average 4.42 stars
- Average reviews
- 2,179per listing
- Listings tracked
- 12
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 72 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 72 months
Products
Top Foundation Sealant 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 27, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black 1 Gallon
- Price
- $59.00
- Rating
- 4.6/5
- Reviews
- 3,365
- Age
- 9y ago

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black 5 Gallon
- Price
- $158.96
- Rating
- 4.6/5
- Reviews
- 3,365
- Age
- 9y ago

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black 2.5 Gallon
- Price
- $98.22
- Rating
- 4.6/5
- Reviews
- 3,365
- Age
- 1y ago

Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Quart
- Price
- $34.55
- Rating
- 4.4/5
- Reviews
- 4,134
- Age
- 11y ago

DAP Concrete and Mortar Filler and Sealant Gray 10.1 Oz (7079818096)
- Price
- $6.63
- Rating
- 4.5/5
- Reviews
- 4,861
- Age
- 22y ago
Trending
estimated 90-day click momentum
Matvio Black Liquid Rubber Waterproof Coating 1 Quart | Industrial Grade Foundation & Flat Roof Sealant | Waterproofing Membrane for Concrete Wood & Metal | UV Resistant | Leak Repair Paint
- Price
- $21.63
- Rating
- 4.0/5
- Reviews
- 61
- Age
- 8mo ago

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black 2.5 Gallon
- Price
- $98.22
- Rating
- 4.6/5
- Reviews
- 3,365
- Age
- 1y ago

Rubber Liquid Waterproof Sealant TUFINEIN 53oz/1.5kg Black Quick Drying Multi Surface Foundation Leak Repair - Roof Gutters Basement Sealer Waterproof - Indoor & Outdoor Flexible Rubber Paint
- Price
- $35.20
- Rating
- 4.5/5
- Reviews
- 282
- Age
- 9mo ago

Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Quart
- Price
- $34.55
- Rating
- 4.4/5
- Reviews
- 4,134
- Age
- 11y ago

Flex Caulk Waterproof & Weatherproof Hybrid Polymer Sealant Strong Paintable Indoor Outdoor Bath Shower Sink Window Baseboards Door RV Roof Wood Auto & Marine Clear 6.6 oz 1-Pack
- Price
- $19.51
- Rating
- 4.5/5
- Reviews
- 1,943
- Age
- 2y ago
Newest
by launch date
Matvio Black Liquid Rubber Waterproof Coating 1 Quart | Industrial Grade Foundation & Flat Roof Sealant | Waterproofing Membrane for Concrete Wood & Metal | UV Resistant | Leak Repair Paint
- Price
- $21.63
- Rating
- 4.0/5
- Reviews
- 61
- Age
- 8mo ago

Rubber Liquid Waterproof Sealant TUFINEIN 53oz/1.5kg Black Quick Drying Multi Surface Foundation Leak Repair - Roof Gutters Basement Sealer Waterproof - Indoor & Outdoor Flexible Rubber Paint
- Price
- $35.20
- Rating
- 4.5/5
- Reviews
- 282
- Age
- 9mo ago

Rubber Liquid Waterproof Sealant TUFINEIN 53oz/1.5kg Neutral Gray Quick Drying Multi Surface Foundation Leak Repair - Roof Gutters Basement Sealer Waterproof - Indoor & Outdoor Flexible Rubber Paint
- Price
- $35.36
- Rating
- 4.5/5
- Reviews
- 282
- Age
- 1y ago

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black 2.5 Gallon
- Price
- $98.22
- Rating
- 4.6/5
- Reviews
- 3,365
- Age
- 1y ago

Flex Caulk Waterproof & Weatherproof Hybrid Polymer Sealant Strong Paintable Indoor Outdoor Bath Shower Sink Window Baseboards Door RV Roof Wood Auto & Marine Clear 6.6 oz 1-Pack
- Price
- $19.51
- Rating
- 4.5/5
- Reviews
- 1,943
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 78% of clicks. A locked shelf that new listings rarely crack.
Brands
7 flat
Sellers
40
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
78%
Top 20: 100%
Open market
2%
- Liquid Rubber76%
- Tufinein6%
- DAP5%
- AMES5%
- matvio3%
- EverBond2%
- Open — no brand owns it (1 brand, 2%)
Demand
Foundation Sealant search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, Jun, Jul · busiest ÷ quietest = 3.3×
Search terms
Top Foundation Sealant search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- foundation sealant12K/yr
- foundation sealer5K/yr
- liquid rubber foundation sealant5K/yr
- foundation sealant exterior2K/yr
- foundation waterproofing5K/yr
Reviews and returns
What reviews say buyers love and hate about Foundation Sealant
We read the reviews and the return reasons for every product selling here.
“Turns yellow after a while :”
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.
19 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 Foundation Sealant 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









