hydraulic cement
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 5% kills the launch gate
Conversion
Great9.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.60avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$6.63–$36.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+31.0%90-day search growth — must beat 0% to launch
Review moat
Good1,365.25avg incumbent reviews — the moat a new listing must climb
Market size
Okay$109K$109K/yr · 73K searches
Competition
Bad90%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, hydraulic cement is a $109K/yr Amazon United States market (73K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–Oct. Verdict: Skip it — 49/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
hydraulic cement market data
- Units sold / yr
- 6K–8K
- avg 750–1,000/product
- Revenue / yr
- $100K–$133K
- units × avg price
- Conversion rate
- 9.0%
- Avg BSR
- #95
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 38%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
58
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- Quikrete55%
- DAP37%
- Tenon4%
- SIKA4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +31.0% search growth over the last 90 days.Peak months: Apr, Oct · busiest ÷ quietest = 2.3×
Top hydraulic cement search terms
- hydraulic cement49K/yr
- hydraulic cement crack filler8K/yr
- quikrete hydraulic water-stop cement4K/yr
- hydraulic cement for concrete6K/yr
- hydraulic cement leak stopper3K/yr
- waterproof cement3K/yr
Top hydraulic cement 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Quikrete Rapid Setting Hydraulic Water Stop Cement Sets in 3 to 5 Minutes to Patch Concrete & Masonry For Pools and Foundations 10 Pounds
Quikrete$15.294.5★329 rev

DAP Quick Plug Hydraulic Cement 2.5 Lb (7079814084)
DAP$9.724.4★207 rev

DAP Concrete and Mortar Filler and Sealant Gray 10.1 Oz (7079818096)
DAP$6.634.5★4,861 rev

Hyd Water Stop Cement20#
Quikrete$36.394.4★24 rev

DAP Quick Plug Hydraulic Cement 5Lb (7079814086)
DAP$13.624.2★38 rev
Newest
by launch date
Tenon Instant Hydraulic Cement - Water Stop Powder for Concrete Rapid Setting Stops Water in 3 to 5 Minutes Pools Basements & More (10 Pounds)
Tenon$29.264 rev

Hyd Water Stop Cement20#
Quikrete$36.3924 rev

Sika - Sikacryl - Gray - Ready-Mix Concrete Patch - for Repairing spalls and Cracks in Concrete and Masonry - Textured - 1 qt (Pack of 1)
SIKA$9.294,995 rev

DAP Concrete and Mortar Repair Gray 32 oz (7079834611)
DAP$12.64464 rev

Quikrete Rapid Setting Hydraulic Water Stop Cement Sets in 3 to 5 Minutes to Patch Concrete & Masonry For Pools and Foundations 10 Pounds
Quikrete$15.29329 rev
Trending
90-day click momentum
DAP Concrete and Mortar Repair Gray 32 oz (7079834611)
DAP$12.644.4★

Tenon Instant Hydraulic Cement - Water Stop Powder for Concrete Rapid Setting Stops Water in 3 to 5 Minutes Pools Basements & More (10 Pounds)
Tenon$29.263.4★

DAP Quick Plug Hydraulic Cement 5Lb (7079814086)
DAP$13.624.2★

Sika - Sikacryl - Gray - Ready-Mix Concrete Patch - for Repairing spalls and Cracks in Concrete and Masonry - Textured - 1 qt (Pack of 1)
SIKA$9.294.4★

Hyd Water Stop Cement20#
Quikrete$36.394.4★
What buyers say about hydraulic cement
What buyers praise and complain about, mined from review topics.What buyers love
“Wonderful product as advertised”
“Ease of use”
“Its premixed works good for filling in repair of cracks I had a piece of cement at my front door missing this filled in that gap and hardened worth the buy and affordable”
“Just what I needed”
“Good price”
“Works great for small repairs”
“lasts, blends in”
“No leakage”
“Unique filler - not quite caulk or concrete - Survives locations with a bit of seasonal motion”
“Pro: easy clean up”
What buyers complain about
“Color is more off-white than grey”
“would not come out of tube”
“Amazon needs better quality control”
“I have found that it does not last for a year”
“Not waterproof”
“I was dissapointed with how sticky it was”
“the container was already lifted where it seemed to have been leaking”
“Cant use”
“This is only good for thin”
“Misleading”
Top return reasons
Common questions
- Is hydraulic cement profitable to sell on Amazon United States?
- The niche generates $109K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +31.0%. Flapen's verdict: Skip it (49/100).
- How competitive is the hydraulic cement niche?
- 4 brands and 58 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in hydraulic cement?
- Top complaints mined from reviews: Color, Functionality-Overall, Quality-Overall. The return rate is 1.2%.
- When does demand for hydraulic cement peak?
- Demand peaks in Apr–Oct; the busiest month runs 2.3× the quietest.
- What does it cost to enter the hydraulic cement niche?
- Listings span $6.63–$36.39; the average listing price is $16.60 (sweet spot $15–$100). The average incumbent carries 1,365 reviews — the moat a new listing must climb.