kerdi membrane
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Review moat
Great283.85avg incumbent reviews — the moat a new listing must climb
Market size
Great$1.1M$1.1M/yr · 171K searches
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.0%return rate — above 5% kills the launch gate
Avg price
Okay$206.70avg listing price — sweet spot $15–$100
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★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–$668.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad98%top-5 brand share — brand-locked demand
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
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.No pronounced peak months · busiest ÷ quietest = 1.5×
Top kerdi membrane search terms
- schluter42K/yr
- kerdi board27K/yr
- schluter membrane13K/yr
- kerdi membrane23K/yr
- kerdi band13K/yr
- kerdi10K/yr
- schluter systems12K/yr
- schluter kerdi membrane12K/yr
- schluter kerdi7K/yr
- schluter kerdi board7K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Schluter Kerdi Bonded Waterproofing and Vapor-Retardant Membrane for Tile Application - 3 3 Width 33 Length 108 Square Feet - KERDI200/10M
Schluter$221.674.8★805 rev
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$40.664.8★1,090 rev
Schluter Kerdi Complete Bathtub and Shower Base Surround Kit with Sealant and Installation Accessories - Waterproof and Vapor Tight - KBKIT
Schluter$668.554.7★416 rev
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$107.294.2★23 rev
Schluter Kerdi Bonded Waterproofing and Vapor-Retardant Membrane for Tile Application - 3 3 Width 16 5 Length 54 Square Feet - KERDI200/5M
Schluter$112.684.7★390 rev
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$33.1822 rev
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$107.2923 rev
Schluter KERDI-Board-SN Shower Niche - Waterproof and Ready-to-Tile Easy Installation - 12 x 20 - KB12SN305508AF
Schluter$98.9788 rev
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$94.1725 rev
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$44.76183 rev
Trending
90-day click momentumWaterproof 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$107.294.2★
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$33.184.7★
Schluter Kerdi Board Prefabricated Waterproof Shower Curb - Ideal for New Constructions or Bathroom Renovations - 48 Length Lightweight Load Bearing Easy Installation - KBSC1151501220
Schluter$72.944.8★
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$94.174.8★
Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls (323)
Schluter$627.234.8★
What buyers say about kerdi membrane
What buyers praise and complain about, mined from review topics.What buyers love
“Great product, I used it in my basement shower and bathroom”
“Great price”
“Install as directed”
“Easy to use”
“Work as advertised”
“Fit flush”
“This is one of the best waterproofing materials on market”
“Works flawlessly”
“Great for bathroom floors to protect subfloor from water damage”
“I liked working with this material”
What buyers complain about
“Poor quality and cheap imitation of schluter membrane”
“Costly”
“No better waterproof system”
“Not the best product”
“used hard backer instead”
“I did notice that it is a little thinner than the expensive orange brand”
“25% shorter then advertised”
“delay my install”
Top return reasons
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.