---
title: "Mortar Repair — $233K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/mortar-repair"
last_updated: "2026-08-08T22:55:03.198Z"
locale: en
meta:
description: "Niche score 56/100 · $233K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $233K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mortar Repair — $233K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 44Growth 70Conversion 79Competition 31Returns 93Price range 72Avg price 71Brand share 13Review moat 48Quality gap 60
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.1%**
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**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,723.6**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$233K**
$233K/yr · 200K searches
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****95%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**2%**
- 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.
5K3KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, Jun, Jul · busiest ÷ quietest = 2.9×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/mortar-repair/trend)
## **Top mortar repair search terms**
- **mortar repair**34K/yr+35.2%6.5% conv. - **concrete caulk**27K/yr+70.8%9.3% conv. - **quikrete mortar repair**21K/yr+76.6%6.4% conv. - **brick mortar repair**15K/yr+63.0%6.3% conv. - **mortar repair caulk**15K/yr+54.8%8.4% conv. - **cement caulk**10K/yr+77.5%9.0% conv. - **mortar caulk**9K/yr+64.4%8.0% conv. - **concrete caulking**8K/yr+79.4%5.9% conv. - **brick filler**8K/yr+49.3%3.5% conv. - **brick repair**7K/yr+36.9%3.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/mortar-repair/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.
0%10%$23K20%$47K30%$70K40%$93K1001K10K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**DAP Concrete and Mortar Filler and Sealant Gray 10.1 Oz (7079818096)**DAP**$6.63**4.5★4,861 rev](https://www.amazon.com/dp/B000H5S09G) [2**DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)**DAP**$10.50**4.5★260 rev](https://www.amazon.com/dp/B0DLBM2G5G) [3**DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Beige 10.1 Oz (7079810081)**DAP**$11.58**4.6★388 rev](https://www.amazon.com/dp/B0DLBNB16F) [4**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**$6.68**4.4★7,748 rev](https://www.amazon.com/dp/B0058I30AQ) [5**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**$7.92**4.3★615 rev](https://www.amazon.com/dp/B001AQ0CA6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Gray 10.1 Oz (7079810082)**DAP**$10.50**260 rev1y ago](https://www.amazon.com/dp/B0DLBM2G5G) [**DAP Textured Mortar Premium Elastomeric Latex Filler & Sealant Beige 10.1 Oz (7079810081)**DAP**$11.58**388 rev1y ago](https://www.amazon.com/dp/B0DLBNB16F) [**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**$19.51**1,943 rev2y ago](https://www.amazon.com/dp/B0D2FKV95Q) [**DAPConcrete Watertight Filler and Sealent 10.1 Ounce Gray | Pack of 2**DAP**$16.31**115 rev2y ago](https://www.amazon.com/dp/B0CWS82NMP) [**DAP Concrete Crack Filler Gray 1.62 lb (7079860500)**DAP**$12.23**1,477 rev3y ago](https://www.amazon.com/dp/B0CH793LFZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$7.92**4.3★**▲ 89%**](https://www.amazon.com/dp/B001AQ0CA6) [**DAPConcrete Watertight Filler and Sealent 10.1 Ounce Gray | Pack of 2**DAP**$16.31**4.6★**▲ 54%**](https://www.amazon.com/dp/B0CWS82NMP) [**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**$19.51**4.5★**▲ 26%**](https://www.amazon.com/dp/B0D2FKV95Q) [**DAP Concrete and Mortar Repair Gray 32 oz (7079834611)**DAP**$12.64**4.4★**▲ 17%**](https://www.amazon.com/dp/B07NPKSCS7) [**Bauer Instant Polymer Cement - Ready-to-Use Alternative to Mortar & Adhesives - Versatile Concrete & Stone Tile Crack Repair & Brick Repair Convenient Durable & Easy to Store - 2kg**Bauer**$26.80**4.2★**▲ 14%**](https://www.amazon.com/dp/B07LB7ZRXZ)
**~~View all trending →~~**
## **What buyers say about mortar repair**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**19%
*“Ease of use”*
**Quality-Overall**18%
*“Wonderful product as advertised”*
**Advertised Vs Actual Product**11%
*“As Advertised”*
**Efficiency**10%
*“The patch worked out well”*
**Color**4%
*“Color is fine”*
**Value For Money**4%
*“Great value for money”*
**Durability**3%
*“lasts, blends in”*
**Adhesion/Stickiness**3%
*“stickiness is good”*
**Maintenance And Repair**2%
*“Works great for small repairs”*
**Ease Of Cleaning**2%
*“Not messy and easy to use”*
### **What buyers complain about **
**Color**15%
*“color doesn't match”*
**Durability**11%
*“Did not hold up”*
**Functionality-Overall**8%
*“It never worked for me”*
**Quality-Overall**7%
*“Amazon needs better quality control”*
**Value For Money**7%
*“Overpriced”*
**Ease Of Use**5%
*“Hard to get out of the tube”*
**Adhesion/Stickiness**4%
*“Stays sticky”*
**Ease Of Cleaning**3%
*“Terrible mess”*
**Leak-Proof**3%
*“contents leaking inside the box”*
**Water Resistance**3%
*“Not waterproof”*
### **Top return reasons **
**Color**26%
**Leak-Proof**13%
**Advertised Vs Actual Product**12%
**Functionality-Overall**11%
**Size-Overall**6%
**Value For Money**5%
**Defective Material/Parts**4%
**Material Quality**4%
**Maintenance And Repair**3%
**Adhesion/Stickiness**3%
## **Common questions**
- **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.
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