---
title: "Waterproofing Membrane — $314K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/waterproofing-membrane"
last_updated: "2026-08-08T11:40:59.121Z"
locale: en
meta:
description: "Niche score 49/100 · $314K/yr market · 148K searches/yr · $139.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $314K/yr market · 148K searches/yr · $139.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Waterproofing Membrane — $314K/yr Amazon US Niche (2026) - Flapen"
---
# **waterproofing membrane**
**Skip it**
Prices mostly outside the sweet spot ($12.75–$657.94) — this niche doesn't clear our bar today.
Market size 52Growth 67Conversion 19Competition 66Returns 48Price range 13Avg price 62Brand share 43Review moat 88Quality gap 23
**Review moat**
**Great****246.21**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+46.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Good****$139.67**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$314K**
$314K/yr · 148K searches
**Returns**
**Okay****3.2%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$12.75–$657.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**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, waterproofing membrane is a $314K/yr Amazon United States market (148K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jul. Verdict: Skip it — 49/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **waterproofing membrane market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$698K–$838K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#255**
- **Page quality**
- **0%**
- **Prime**
- **85%**
- **Sponsored**
- **97%**
- **Out of stock**
- **3.0%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**19 **▼falling
**Sellers**
**54**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 86%
**Open market**
**18%**
- Schluter39% - Kauwm16% - FQXESMHG11% - Muzata8% - Topfurn4% - LXVOOEE3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +46.7% search growth over the last 90 days.
6K4KPrime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/waterproofing-membrane/trend)
## **Top waterproofing membrane search terms**
- **waterproofing membrane**25K/yr+62.6%1.1% conv. - **waterproof membrane**20K/yr+75.5%1.1% conv. - **shower waterproofing**12K/yr+96.0%0.4% conv. - **shower membrane**11K/yr+171.7%0.8% conv. - **schluter membrane**13K/yr+32.1%2.9% conv. - **kerdi membrane**23K/yr-21.3%3.6% conv. - **waterproofing membrane for shower**6K/yr+481.8%0.5% conv. - **waterproof shower membrane**5K/yr+543.7%0.4% conv. - **waterproof membrane for shower**11K/yr-33.6%3.4% conv. - **schluter kerdi membrane**12K/yr-45.1%3.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/waterproofing-membrane/search-terms)
## **Top waterproofing 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%$13K8%$25K12%$38K16%$50K101001K10K 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**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) [3**Muzata Waterproofing Membrane for Shower 3.8x33feet (125 Sq Ft) 23.6 Mil Thick Uncoupling Polyethylene Fabric Tile Underlayment Waterproof Shower Membrane for Sauna Bathroom Kitchen M034**Muzata**$38.64**4.7★81 rev](https://www.amazon.com/dp/B0CCXV32FP) [4**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**4.6★183 rev](https://www.amazon.com/dp/B0D62SX84S) [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
[**Waterproof Membrane for Shower 3.3FT x 98.5FT 323 Sq Ft 23.6 Mil Thick Blue HDPE Shower Waterproofing Membrane for Tile Installation Bathroom Floor Sauna Bonds with Thin-Set Mortar**Kauwm**$94.14**183 rev4mo ago](https://www.amazon.com/dp/B0GSGNNKZM) [**Waterproof Membrane for Shower 3.8 ft x 87 ft / 324 Square Feet Waterproofing Shower Membrane 19.7mil Thickness Waterproof for Sauna Bathroom Walls Tile Underlayment 324 sqft Polyethylene Fabric Roll**FQXESMHG**$86.60**23 rev4mo ago](https://www.amazon.com/dp/B0GQM3H3FP) [**Professional Waterproof Membrane for Shower 5In x 50Ft(21 Sq Ft) Superior Waterproofing Solution for Bathroom Kitchen Saunas and Wet Areas**Kauwm**$19.54**183 rev10mo ago](https://www.amazon.com/dp/B0FQ66HLW7) [**108 Sq Ft Waterproof Membrane with Pre-Marked Grid Design 3.3 FT x 33 FT Roll 24Mils Thick Easy Cutting Polyethylene Fabric Waterproofing Membrane for Shower Sauna Bathroom Kitchen**LXVOOEE**$43.39**22 rev10mo ago](https://www.amazon.com/dp/B0FPW83X31) [**Waterproof Membrane Band for Shower Waterproofing Membrane-3.3Ftx33Ft**JIANBENKJ**$38.33**83 rev1y ago](https://www.amazon.com/dp/B0FD71D4BK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Waterproof Membrane for Shower 3.3FT x 98.5FT 323 Sq Ft 23.6 Mil Thick Blue HDPE Shower Waterproofing Membrane for Tile Installation Bathroom Floor Sauna Bonds with Thin-Set Mortar**Kauwm**$94.14**4.6★**▲ 258%**](https://www.amazon.com/dp/B0GSGNNKZM) [**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★**▲ 83%**](https://www.amazon.com/dp/B0F1MXFXC7) [**Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls (323)**Schluter**$627.23**4.8★**▲ 68%**](https://www.amazon.com/dp/B07QVXS2BM) [**108 Sq Ft Waterproof Membrane with Pre-Marked Grid Design 3.3 FT x 33 FT Roll 24Mils Thick Easy Cutting Polyethylene Fabric Waterproofing Membrane for Shower Sauna Bathroom Kitchen**LXVOOEE**$43.39**4.7★**▲ 65%**](https://www.amazon.com/dp/B0FPW83X31) [**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★**▲ 54%**](https://www.amazon.com/dp/B0DG4W9F92)
**~~View all trending →~~**
## **What buyers say about waterproofing membrane**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Great product and easy to use, feels duranle and looks great after install”*
**Value For Money**14%
*“Excellent price”*
**Advertised Vs Actual Product**13%
*“Work as advertised”*
**Water Resistance**9%
*“It's durable material, waterproof and looks and feels very much like the name brand waterproofing bands”*
**Ease Of Use**9%
*“easy to use”*
**Material Quality**7%
*“The material feels durable”*
**Assembly/Installation**6%
*“It was easy to install”*
**Efficiency**5%
*“Works well”*
**Thickness**4%
*“thicker than other membranes I've used”*
**Adhesion/Stickiness**3%
*“It adhered well”*
### **What buyers complain about **
**Adhesion/Stickiness**18%
*“Zero wall adhesion”*
**Material Quality**14%
*“Poor quality and cheap imitation of schluter membrane”*
**Quality-Overall**14%
*“Garbage”*
**Ease Of Use**8%
*“I am having a hard time with this product”*
**Thickness**7%
*“One drawback is that the product is somewhat thicker than the name brand alternative”*
**Water Resistance**4%
*“it also wasnt 100% waterproof”*
**Advertised Vs Actual Product**4%
*“The listing describes it as nonwoven”*
**Absorbency**1%
*“it beads and doesn't absorb through the top surface of the material”*
**Assembly/Installation**1%
*“Havent fully installed everything yet”*
### **Top return reasons **
**Value For Money**14%
**Advertised Vs Actual Product**12%
**Material Quality**10%
**Adhesion/Stickiness**9%
**Leak-Proof**9%
**Size-Overall**9%
**Water Resistance**8%
**Quality-Overall**5%
**Thin**5%
**Functionality-Overall**4%
## **Common questions**
- **Is waterproofing membrane profitable to sell on Amazon United States?**
- The niche generates $314K/yr across 34 tracked products. 4 of 9 products launched in the last 360 days are still selling. 90-day search growth is +46.7%. Flapen's verdict: Skip it (49/100).
- **How competitive is the waterproofing membrane niche?**
- 19 brands and 54 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in waterproofing membrane?**
- Top complaints mined from reviews: Adhesion/Stickiness, Material Quality, Quality-Overall. The return rate is 3.2%.
- **When does demand for waterproofing membrane peak?**
- Demand peaks in Jul; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the waterproofing membrane niche?**
- Listings span $12.75–$657.94; the average listing price is $139.67 (sweet spot $15–$100). The average incumbent carries 246 reviews — the moat a new listing must climb.
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