caulking glue for concrete
Skip itA small market ($2K/yr) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 5% kills the launch gate
Avg price
Great$19.24avg listing price — sweet spot $15–$100
Price range
Great$2.98–$63.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Good68%top-5 brand share — brands hold most of the demand
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,737.58avg incumbent reviews — the moat a new listing must climb
Growth
Bad-14.2%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Market size
Bad$2K$2K/yr · 9K searches
According to Flapen's Amazon United States niche tracking, caulking glue for concrete is a $2K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Apr–Aug–Sep–Oct. Verdict: Skip it — 42/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
caulking glue for concrete market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $10K–$14K
- units × avg price
- Conversion rate
- 0.9%
- Avg BSR
- #4,136
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 84%
- Out of stock
- 4.1%
- Avg brand age
- 45 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
63
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
25%
- XINDESAN22%
- OTXKXBLP18%
- JoanofArc10%
- Autosel9%
- GORILLA8%
- Loctite8%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -14.2% search growth over the last 90 days.Peak months: Apr, Aug, Sep, Oct · busiest ÷ quietest = 6.6×
Top caulking glue for concrete 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Concrete Crack Filler 42oz Grey High Elasticity Self Leveling Cement Caulking Glue Quick Drying Waterproof Sealant for Driveways Walkways Indoor and Outdoor Weather Resistant Concrete Joint Repair
XINDESAN$23.063.8★63 rev
3 Pcs Slab Concrete Crack Waterproof Repair Sealant Concrete Crack Waterproof Repair Sealant Caulking Glue Weather Resistant Type Quick-Drying Sealing Adhesive(500ml x 3Pcs)
OTXKXBLP$26.134.8★15 rev
Concrete Crack Filler Caulking Gray Glue Waterproof Coating Type Waterproof Weather-Resistant Deep Penetration Caulk for Cracks in Walls Floors bathrooms Metal Wood Tiles 200ml/6.76fl.oz
JoanofArc$16.403.5★2 rev
Concrete Crack Filler High Elasticity Cement Crack Repair Sealant Self-Leveling Waterproof Caulking Glue for Driveways Walkways Patios Outdoor Concrete Joint Repair-2 PCS
Autosel$24.184.1★505 rev
Gorilla 100% Silicone Waterproof Caulk AllPurpose Sealant Mold & Mildew Resistant Flexible Seal White 10 oz Cartridge (Pack of 1)
GORILLA$8.824.6★33,435 rev
Newest
by launch dateConcrete Crack Filler Caulking Gray Glue Waterproof Coating Type Waterproof Weather-Resistant Deep Penetration Caulk for Cracks in Walls Floors bathrooms Metal Wood Tiles 200ml/6.76fl.oz
JoanofArc$16.402 rev
Concrete Crack Filler 42oz Grey High Elasticity Self Leveling Cement Caulking Glue Quick Drying Waterproof Sealant for Driveways Walkways Indoor and Outdoor Weather Resistant Concrete Joint Repair
XINDESAN$23.0663 rev
Concrete Crack Filler 126oz Grey High Elasticity Self Leveling Cement Caulking Glue Quick Drying Waterproof Sealant for Driveways Walkway Indoor and Outdoor Weather Resistant Concrete Joint Repair
XINDESAN$63.379 rev
OB1 Universal Caulk Sealant & Adhesive Gray 10.1oz | Professional Grade Premium All-in-One Advanced Hybrid 3-in1 | Water Resistant Internal & External | Shrink Crack UV & Fade Resistant | 1 Cartridge
OB1$10.29186 rev
Concrete Crack Filler 2 Pack Cement Crack Sealant Self-Leveling Concrete Crack Repair Sealer Fast Drying Caulking Glue for Driveways Patios Sidewalks
Dongxw$22.00164 rev
Trending
90-day click momentumConcrete Crack Filler 2 Pack Cement Crack Sealant Self-Leveling Concrete Crack Repair Sealer Fast Drying Caulking Glue for Driveways Patios Sidewalks
Dongxw$22.004.1★
Concrete Crack Filler 126oz Grey High Elasticity Self Leveling Cement Caulking Glue Quick Drying Waterproof Sealant for Driveways Walkway Indoor and Outdoor Weather Resistant Concrete Joint Repair
XINDESAN$63.373.6★
Concrete Crack Filler Caulking Gray Glue Waterproof Coating Type Waterproof Weather-Resistant Deep Penetration Caulk for Cracks in Walls Floors bathrooms Metal Wood Tiles 200ml/6.76fl.oz
JoanofArc$16.403.5★
OB1 Universal Caulk Sealant & Adhesive Gray 10.1oz | Professional Grade Premium All-in-One Advanced Hybrid 3-in1 | Water Resistant Internal & External | Shrink Crack UV & Fade Resistant | 1 Cartridge
OB1$10.294.3★
Gorilla Max Strength Construction Adhesive 7 oz Squeeze Tube (Pack of 1) Clear Waterproof Gap-Filling Formula for Wood Metal Tile Stone Glass Mirror Indoor Outdoor Paintable Sandable
GORILLA$13.784.6★
What buyers say about caulking glue for concrete
What buyers praise and complain about, mined from review topics.What buyers love
“reliable brand”
“Easy to Use”
“Just what I was looking for”
“Amazing adhesive”
“Good Price”
“The bag provides an efficient”
“it's been holding up pretty good”
“holds super strong”
“with no mess”
“Easy to use, quick dry and convenient”
What buyers complain about
“doesn't adhere”
“The container wouldnt work as directed”
“it has a fishy smell”
“for the price its becoming questionable”
“NOT EASY TO USE”
“it leaked out”
“Quality control needs improvement”
“essentially fell apart when using it”
“The material is slightly thicker than the thickest paint”
“Turns yellow after a while :”
Top return reasons
Common questions
- Is caulking glue for concrete profitable to sell on Amazon United States?
- The niche generates $2K/yr across 19 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is -14.2%. Flapen's verdict: Skip it (42/100).
- How competitive is the caulking glue for concrete niche?
- 16 brands and 63 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in caulking glue for concrete?
- Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Smell. The return rate is 1.2%.
- When does demand for caulking glue for concrete peak?
- Demand peaks in Apr–Aug–Sep–Oct; the busiest month runs 6.6× the quietest.
- What does it cost to enter the caulking glue for concrete niche?
- Listings span $2.98–$63.37; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 3,738 reviews — the moat a new listing must climb.