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66

concrete crack filler

Launch it

A $1.8M/yr market growing +88.3% this quarter with returns at 1.1% — clears our launch bar.

Market size 92Growth 86Conversion 77Competition 21Returns 93Price range 73Avg price 87Brand share 25Review moat 44Quality gap 67

Returns

Great1.1%

return rate — above 5% kills the launch gate

Market size

Great$1.8M

$1.8M/yr · 1.2M searches

Avg price

Great$19.86

avg listing price — sweet spot $15–$100

Growth

Great+88.3%

90-day search growth — must beat 0% to launch

Conversion

Great7.4%

search→purchase rate — share of searches ending in a sale

Price range

Good$6.61–$37.65

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,129.73

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad90%

top-5 brand share — brand-locked demand

Competition

Bad74%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, concrete crack filler is a $1.8M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 90% of demand. Demand peaks in May–Jun–Jul. Verdict: Launch it — 66/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

concrete crack filler market data

Units sold / yr
100K–125K
avg 6,000–8,000/product
Revenue / yr
$2.0M–$2.5M
units × avg price
Conversion rate
7.4%
Avg BSR
#72
Page quality
0%
Prime
80%
Sponsored
47%
Out of stock
4.5%
Avg brand age
58 months
Avg seller age
155 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

61

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

7%

  • DAP37%
  • FIRE ROSE34%
  • Magic Crack Filler10%
  • SIKA4%
  • Tharos Distribution4%
  • Red Devil3%
  • Open — no brand owns it (4 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +88.3% search growth over the last 90 days.
50K30KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 3.8×

Top concrete crack filler search terms

  • concrete crack filler486K/yr
  • magic crack filler for concrete186K/yr
  • magic crack filler87K/yr
  • cement crack filler113K/yr
  • crack filler55K/yr
  • self leveling concrete crack filler50K/yr
  • concrete filler32K/yr
  • dap concrete crack filler36K/yr
  • crack filler concrete repair26K/yr
  • magic crack filler for driveway26K/yr
All search terms

Top concrete crack filler 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.

0%10%$182K20%$365K30%$547K40%$729K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about concrete crack filler

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use21%

“Easy to Use”

Quality-Overall17%

“Wonderful product as advertised”

Efficiency12%

“Does the job”

Advertised Vs Actual Product9%

“Works like always”

Value For Money5%

“Good price”

Durability3%

“it's been holding up pretty good”

Color3%

“Color is fine”

Maintenance And Repair2%

“Works great for small repairs”

Material Quality2%

“I had no issues with the material spreading or getting everywhere”

Functionality-Overall2%

“Surprised this stuck worked as well as it has”

What buyers complain about

Durability14%

“Did not hold up”

Color12%

“Also it looks white not gray”

Functionality-Overall10%

“Didnt work well for me”

Quality-Overall9%

“Amazon needs better quality control”

Value For Money7%

“it was the cost of my trying it out”

Ease Of Use6%

“Difficult to use”

Water Resistance3%

“Not waterproof”

Material Quality2%

“Not the best tube cement”

Adhesion/Stickiness2%

“It remained sticky after a week of cure time”

Thickness2%

“It is a thin powder”

Top return reasons

Color20%
Functionality-Overall16%
Advertised Vs Actual Product13%
Leak-Proof10%
Size-Overall6%
Value For Money6%
Defective Material/Parts6%
Material Quality3%
Hard Feel3%
Maintenance And Repair3%

Common questions

Is concrete crack filler profitable to sell on Amazon United States?
The niche generates $1.8M/yr across 15 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +88.3%. Flapen's verdict: Launch it (66/100).
How competitive is the concrete crack filler niche?
10 brands and 61 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in concrete crack filler?
Top complaints mined from reviews: Durability, Color, Functionality-Overall. The return rate is 1.1%.
When does demand for concrete crack filler peak?
Demand peaks in May–Jun–Jul; the busiest month runs 3.8× the quietest.
What does it cost to enter the concrete crack filler niche?
Listings span $6.61–$37.65; the average listing price is $19.86 (sweet spot $15–$100). The average incumbent carries 2,130 reviews — the moat a new listing must climb.