---
title: "Kerdi Membrane — $1.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/kerdi-membrane"
last_updated: "2026-08-09T07:44:47.022Z"
locale: en
meta:
description: "Niche score 42/100 · $1.1M/yr market · 171K searches/yr · $206.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $1.1M/yr market · 171K searches/yr · $206.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Kerdi Membrane — $1.1M/yr Amazon US Niche (2026) - Flapen"
---
# **kerdi membrane**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 79Growth 16Conversion 38Competition 68Returns 50Price range 13Avg price 45Brand share 4Review moat 86Quality gap 17
**Review moat**
**Great****283.85**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Great****$1.1M**
$1.1M/yr · 171K searches
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****3.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Okay****$206.70**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****3.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-18.1%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$18.11–$668.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, kerdi membrane is a $1.1M/yr Amazon United States market (171K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 42/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kerdi membrane market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$1.0M–$1.2M**
- units × avg price
- **Conversion rate**
- **3.0%**
- **Avg BSR**
- **#249**
- **Page quality**
- **0%**
- **Prime**
- **85%**
- **Sponsored**
- **88%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **137 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **—flat
**Sellers**
**43**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**44%**
Top 20: 85%
**Open market**
**0%**
- Schluter82% - Kauwm6% - FQXESMHG6% - LXVOOEE2% - JIANBENKJ2% - Topfurn2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.1% search growth over the last 90 days.
5K3KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/kerdi-membrane/trend)
## **Top kerdi membrane search terms**
- **schluter**42K/yr-21.5%0.7% conv. - **kerdi board**27K/yr-14.8%0.4% conv. - **schluter membrane**13K/yr+32.1%2.4% conv. - **kerdi membrane**23K/yr-21.3%3.3% conv. - **kerdi band**13K/yr-5.2%9.2% conv. - **kerdi**10K/yr-17.4%1.8% conv. - **schluter systems**12K/yr-33.0%0.1% conv. - **schluter kerdi membrane**12K/yr-45.1%3.8% conv. - **schluter kerdi**7K/yr-39.3%1.6% conv. - **schluter kerdi board**7K/yr-38.0%0.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/kerdi-membrane/search-terms)
## **Top kerdi membrane 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%4%$43K8%$85K12%$128K16%$171K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Schluter Kerdi Bonded Waterproofing and Vapor-Retardant Membrane for Tile Application - 3 3 Width 33 Length 108 Square Feet - KERDI200/10M**Schluter**$221.67**4.8★805 rev](https://www.amazon.com/dp/B003C6EQPE) [2**Schluter Kerdi Band Waterproofing Strip - Ideal for Sealing Butt Joints and Floor/Wall Connections - 33 Length 5 Width 4 mil Thickness - KEBA100/125/10M**Schluter**$40.66**4.8★1,090 rev](https://www.amazon.com/dp/B003C69J1K) [3**Schluter Kerdi Complete Bathtub and Shower Base Surround Kit with Sealant and Installation Accessories - Waterproof and Vapor Tight - KBKIT**Schluter**$668.55**4.7★416 rev](https://www.amazon.com/dp/B07H4YSH3Y) [4**Waterproof Membrane for Shower 3.8 ft x 87 ft / 324 Square Feet Waterproofing Shower Membrane 25.6mil Thickness Waterproof for Sauna Bathroom Walls Tile Underlayment 324 sqft Polyethylene Fabric Roll**FQXESMHG**$107.29**4.2★23 rev](https://www.amazon.com/dp/B0F1MXFXC7) [5**Schluter Kerdi Bonded Waterproofing and Vapor-Retardant Membrane for Tile Application - 3 3 Width 16 5 Length 54 Square Feet - KERDI200/5M**Schluter**$112.68**4.7★390 rev](https://www.amazon.com/dp/B003C6AMCA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**42 Sq Ft Waterproof Membrane Band Roll 5 x 100 FT Roll 24Mils Thick Polyethylene Fabric Waterproofing Membrane for Shower Ideal for Sealing Butt Joints and Floor/Wall Connections 2PCS**LXVOOEE**$33.18**22 rev10mo ago](https://www.amazon.com/dp/B0FPWKGKLT) [**Waterproof Membrane for Shower 3.8 ft x 87 ft / 324 Square Feet Waterproofing Shower Membrane 25.6mil Thickness Waterproof for Sauna Bathroom Walls Tile Underlayment 324 sqft Polyethylene Fabric Roll**FQXESMHG**$107.29**23 rev1y ago](https://www.amazon.com/dp/B0F1MXFXC7) [**Schluter KERDI-Board-SN Shower Niche - Waterproof and Ready-to-Tile Easy Installation - 12 x 20 - KB12SN305508AF**Schluter**$98.97**88 rev1y ago](https://www.amazon.com/dp/B0DJH5ZZ1K) [**Waterproofing Membrane for Shower Waterproof Membrane 3.3 FTx98.5 FT Roll(323Sq Ft) 23.6 Mil Thick Suitable for Bathroom Waterproofing Shower Wall Waterproofing Sauna Waterproofing Roof Waterproofing**Topfurn**$94.17**25 rev1y ago](https://www.amazon.com/dp/B0DG4W9F92) [**Professional Waterproof Membrane for Shower - 3.3 FT x 33 FT Roll (108 Sq Ft) 23.6 Mil Thick Superior Waterproofing Solution for Bathroom Kitchen Saunas and Wet Areas**Kauwm**$44.76**183 rev2y ago](https://www.amazon.com/dp/B0D62SX84S)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Waterproof Membrane for Shower 3.8 ft x 87 ft / 324 Square Feet Waterproofing Shower Membrane 25.6mil Thickness Waterproof for Sauna Bathroom Walls Tile Underlayment 324 sqft Polyethylene Fabric Roll**FQXESMHG**$107.29**4.2★**▲ 156%**](https://www.amazon.com/dp/B0F1MXFXC7) [**42 Sq Ft Waterproof Membrane Band Roll 5 x 100 FT Roll 24Mils Thick Polyethylene Fabric Waterproofing Membrane for Shower Ideal for Sealing Butt Joints and Floor/Wall Connections 2PCS**LXVOOEE**$33.18**4.7★**▲ 111%**](https://www.amazon.com/dp/B0FPWKGKLT) [**Schluter Kerdi Board Prefabricated Waterproof Shower Curb - Ideal for New Constructions or Bathroom Renovations - 48 Length Lightweight Load Bearing Easy Installation - KBSC1151501220**Schluter**$72.94**4.8★**▲ 84%**](https://www.amazon.com/dp/B01N7PMVF5) [**Waterproofing Membrane for Shower Waterproof Membrane 3.3 FTx98.5 FT Roll(323Sq Ft) 23.6 Mil Thick Suitable for Bathroom Waterproofing Shower Wall Waterproofing Sauna Waterproofing Roof Waterproofing**Topfurn**$94.17**4.8★**▲ 72%**](https://www.amazon.com/dp/B0DG4W9F92) [**Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls (323)**Schluter**$627.23**4.8★**▲ 60%**](https://www.amazon.com/dp/B07QVXS2BM)
**~~View all trending →~~**
## **What buyers say about kerdi membrane**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**27%
*“Great product, I used it in my basement shower and bathroom”*
**Value For Money**20%
*“Great price”*
**Assembly/Installation**11%
*“Install as directed”*
**Ease Of Use**10%
*“Easy to use”*
**Advertised Vs Actual Product**9%
*“Work as advertised”*
**Size-Overall**6%
*“Fit flush”*
**Water Resistance**5%
*“This is one of the best waterproofing materials on market”*
**Efficiency**5%
*“Works flawlessly”*
**Floor Protection**2%
*“Great for bathroom floors to protect subfloor from water damage”*
**Material Quality**1%
*“I liked working with this material”*
### **What buyers complain about **
**Material Quality**17%
*“Poor quality and cheap imitation of schluter membrane”*
**Value For Money**15%
*“Costly”*
**Water Resistance**11%
*“No better waterproof system”*
**Quality-Overall**11%
*“Not the best product”*
**Ease Of Use**11%
*“used hard backer instead”*
**Thickness**6%
*“I did notice that it is a little thinner than the expensive orange brand”*
**Advertised Vs Actual Product**4%
*“25% shorter then advertised”*
**Assembly/Installation**4%
*“delay my install”*
### **Top return reasons **
**Size-Overall**42%
**Value For Money**15%
**Advertised Vs Actual Product**10%
**Functionality-Overall**3%
**Material Quality**3%
**Adhesion/Stickiness**3%
**Water Resistance**3%
**Compatibility-Overall**2%
**Assembly/Installation**2%
**Defective Material/Parts**2%
## **Common questions**
- **Is kerdi membrane profitable to sell on Amazon United States?**
- The niche generates $1.1M/yr across 34 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.1%. Flapen's verdict: Skip it (42/100).
- **How competitive is the kerdi membrane niche?**
- 6 brands and 43 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in kerdi membrane?**
- Top complaints mined from reviews: Material Quality, Value For Money, Water Resistance. The return rate is 3.0%.
- **When does demand for kerdi membrane peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the kerdi membrane niche?**
- Listings span $18.11–$668.55; the average listing price is $206.70 (sweet spot $15–$100). The average incumbent carries 284 reviews — the moat a new listing must climb.
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