Is mortar repair profitable to sell on Amazon United States?

The niche generates $233K/yr across 15 tracked products. 90-day search growth is +52.2%. Flapen's verdict: Worth a look (56/100).

How competitive is the mortar repair niche?

7 brands and 101 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 95% of demand.

What do buyers complain about in mortar repair?

Top complaints mined from reviews: Color, Durability, Functionality-Overall. The return rate is 1.1%.

When does demand for mortar repair peak?

Demand peaks in Apr–Jun–Jul; the busiest month runs 2.9× the quietest.

What does it cost to enter the mortar repair niche?

Listings span $6.63–$36.54; the average listing price is $14.47 (sweet spot $15–$100). The average incumbent carries 1,724 reviews — the moat a new listing must climb.

mortar repair

Worth a look

Shows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Conversion

Great8.1%

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

Price range

Good$6.63–$36.54

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

Avg price

Good$14.47

avg listing price — sweet spot $15–$100

Growth

Good+52.2%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,723.6

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$233K

$233K/yr · 200K searches

Competition

Okay66%

top-5 click share — leaders hold, buyers still browse

Brand share

Bad95%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, mortar repair is a $233K/yr Amazon United States market (200K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Apr–Jun–Jul. Verdict: Worth a look — 56/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

mortar repair market data

Units sold / yr: 20K–25K; avg 1,000–1,250/product
Revenue / yr: $289K–$362K; units × avg price
Conversion rate: 8.1%
Avg BSR: #52
Page quality: 0%
Prime: 100%
Sponsored: 60%
Out of stock: 0.0%
Avg brand age: 58 months
Avg seller age: 163 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

101

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

DAP61%
Quikrete12%
SIKA10%
Red Devil7%
Bauer4%
DCP3%
Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +52.2% search growth over the last 90 days.

Peak months: Apr, Jun, Jul · busiest ÷ quietest = 2.9×

Open Trend

Top mortar repair search terms

mortar repair34K/yr +35.2%6.5% conv.
concrete caulk27K/yr +70.8%9.3% conv.
quikrete mortar repair21K/yr +76.6%6.4% conv.
brick mortar repair15K/yr +63.0%6.3% conv.
mortar repair caulk15K/yr +54.8%8.4% conv.
cement caulk10K/yr +77.5%9.0% conv.
mortar caulk9K/yr +64.4%8.0% conv.
concrete caulking8K/yr +79.4%5.9% conv.
brick filler8K/yr +49.3%3.5% conv.
brick repair7K/yr +36.9%3.6% conv.

All search terms

Top mortar repair 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 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

DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)

DAP$10.504.5★260 rev

DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Beige 10.1 Oz (7079810081)

DAP$11.584.6★388 rev

Red Devil 0645 Concrete Repair Patch Cement Crack Filler 5.5 Oz Squeeze Tube Pre-Mixed Pack of 1 Gray Made in USA

Red Devil$6.684.4★7,748 rev

Sikaflex Mortar Fix Limestone Polyurethane sealant for Repairing Damaged Mortar Joints and Gaps. Sealing Mortar Cracks 10.1 fl. oz Cartridge (Pack of 1)

SIKA$7.924.3★615 rev

Newest

by launch date

DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)

DAP$10.50260 rev

1y ago

DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Beige 10.1 Oz (7079810081)

DAP$11.58388 rev

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

Flex Seal$19.511,943 rev

2y ago

DAPConcrete Watertight Filler and Sealent 10.1 Ounce Gray | Pack of 2

DAP$16.31115 rev

2y ago

DAP Concrete Crack Filler Gray 1.62 lb (7079860500)

DAP$12.231,477 rev

3y ago

What buyers say about mortar repair

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

What buyers love

Ease Of Use19%

“Ease of use”

Quality-Overall18%

“Wonderful product as advertised”

Advertised Vs Actual Product11%

“As Advertised”

Efficiency10%

“The patch worked out well”

Color4%

“Color is fine”

Value For Money4%

“Great value for money”

Durability3%

“lasts, blends in”

Adhesion/Stickiness3%

“stickiness is good”

Maintenance And Repair2%

“Works great for small repairs”

Ease Of Cleaning2%

“Not messy and easy to use”

What buyers complain about

Color15%

“color doesn't match”

Durability11%

“Did not hold up”

Functionality-Overall8%

“It never worked for me”

Quality-Overall7%

“Amazon needs better quality control”

Value For Money7%

“Overpriced”

Ease Of Use5%

“Hard to get out of the tube”

Adhesion/Stickiness4%

“Stays sticky”

Ease Of Cleaning3%

“Terrible mess”

Leak-Proof3%

“contents leaking inside the box”

Water Resistance3%

“Not waterproof”

Top return reasons

Color26%

Leak-Proof13%

Advertised Vs Actual Product12%

Functionality-Overall11%

Size-Overall6%

Value For Money5%

Defective Material/Parts4%

Material Quality4%

Maintenance And Repair3%