concrete caulk
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.0%return rate — above 5% kills the launch gate
Conversion
Great7.8%search→purchase rate — share of searches ending in a sale
Growth
Good+53.3%90-day search growth — must beat 0% to launch
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Okay$11.27avg listing price — sweet spot $15–$100
Review moat
Okay2,396.4avg incumbent reviews — the moat a new listing must climb
Price range
Okay$6.63–$19.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$78K$78K/yr · 89K searches
Competition
Bad80%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, concrete caulk is a $78K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Oct. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
concrete caulk market data
- Units sold / yr
- 10K–13K
- avg 1,000–1,250/product
- Revenue / yr
- $113K–$141K
- units × avg price
- Conversion rate
- 7.8%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 40%
- Out of stock
- 0.0%
- Avg brand age
- 62 months
- Avg seller age
- 159 days
Competition & brand share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
80
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
0%
- DAP72%
- SIKA9%
- DCP9%
- Flex Seal5%
- Red Devil5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +53.3% search growth over the last 90 days.Peak months: May, Jun, Oct · busiest ÷ quietest = 2.7×
Top concrete caulk search terms
- concrete caulk27K/yr
- concrete sealant20K/yr
- cement caulk10K/yr
- concrete caulking8K/yr
- masonry caulk4K/yr
- driveway caulk4K/yr
- concrete caulking for gaps5K/yr
- concrete sealant waterproof3K/yr
- concrete caulking for cracks2K/yr
- concrete caulking sealant2K/yr
Top concrete caulk products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DAP Concrete and Mortar Filler and Sealant Gray 10.1 Oz (7079818096)
DAP$6.634.5★4,861 rev
DCP Donseal PU440 Polyurethane Concrete Sealant 1 Pack Non-Sag Concrete Caulk for Joints Walls Sidewalk and Foundation 10.1 fl. oz. Cartridge Grey
DCP$10.334.2★242 rev
DAPConcrete Watertight Filler and Sealent 10.1 Ounce Gray | Pack of 2
DAP$16.314.6★115 rev
SIKA - Sealant - Sikaflex Concrete Fix - Limestone - Elastic sealant for Cracks and Joints - Paintable Polyurethane - 10.1 fl oz
SIKA$9.264.4★937 rev
DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)
DAP$10.504.5★260 rev
Newest
by launch dateDAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)
DAP$10.50260 rev
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
Flex Seal$19.511,943 rev
DAPConcrete Watertight Filler and Sealent 10.1 Ounce Gray | Pack of 2
DAP$16.31115 rev
DAP Concrete Crack Filler Gray 1.62 lb (7079860500)
DAP$12.231,477 rev
DCP Donseal PU440 Polyurethane Concrete Sealant 1 Pack Non-Sag Concrete Caulk for Joints Walls Sidewalk and Foundation 10.1 fl. oz. Cartridge Grey
DCP$10.33242 rev
Trending
90-day click momentumDAPConcrete Watertight Filler and Sealent 10.1 Ounce Gray | Pack of 2
DAP$16.314.6★
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
Flex Seal$19.514.5★
DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)
DAP$10.504.5★
DAP Concrete Crack Filler Gray 1.62 lb (7079860500)
DAP$12.234.4★
DCP Donseal PU440 Polyurethane Concrete Sealant 1 Pack Non-Sag Concrete Caulk for Joints Walls Sidewalk and Foundation 10.1 fl. oz. Cartridge Grey
DCP$10.334.2★
What buyers say about concrete caulk
What buyers praise and complain about, mined from review topics.What buyers love
“Wonderful product as advertised”
“Easy to use”
“As Advertised”
“works great”
“Great value for money”
“lasts, blends in”
“Color is perfect”
“Great adhesion”
“Works great for small repairs”
“I had no issues with the material spreading or getting everywhere”
What buyers complain about
“Durability questionable”
“Also it looks white not gray”
“Absolute garbage”
“Overpriced mess”
“Hard to get out of the tube”
“only one of them worked”
“which then resulted in a very thick bead”
“contents leaking inside the box”
“Not waterproof”
“Messy product and look not so great”
Top return reasons
Common questions
- Is concrete caulk profitable to sell on Amazon United States?
- The niche generates $78K/yr across 10 tracked products. 90-day search growth is +53.3%. Flapen's verdict: Skip it (44/100).
- How competitive is the concrete caulk niche?
- 5 brands and 80 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in concrete caulk?
- Top complaints mined from reviews: Durability, Color, Quality-Overall. The return rate is 1.0%.
- When does demand for concrete caulk peak?
- Demand peaks in May–Jun–Oct; the busiest month runs 2.7× the quietest.
- What does it cost to enter the concrete caulk niche?
- Listings span $6.63–$19.51; the average listing price is $11.27 (sweet spot $15–$100). The average incumbent carries 2,396 reviews — the moat a new listing must climb.