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.

waterproofing membrane

Skip it

Prices mostly outside the sweet spot ($12.75–$657.94) — this niche doesn't clear our bar today.

Review moat

Great246.21

avg incumbent reviews — the moat a new listing must climb

Growth

Good+46.7%

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

Competition

Good46%

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

Okay3.2%

return rate — above 5% kills the launch gate

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.5%

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

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

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

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.

Peak months: Jul · busiest ÷ quietest = 1.6×

Open Trend

Top waterproofing membrane search terms

waterproofing membrane25K/yr +62.6%1.1% conv.
waterproof membrane20K/yr +75.5%1.1% conv.
shower waterproofing12K/yr +96.0%0.4% conv.
shower membrane11K/yr +171.7%0.8% conv.
schluter membrane13K/yr +32.1%2.9% conv.
kerdi membrane23K/yr -21.3%3.6% conv.
waterproofing membrane for shower6K/yr +481.8%0.5% conv.
waterproof shower membrane5K/yr +543.7%0.4% conv.
waterproof membrane for shower11K/yr -33.6%3.4% conv.
schluter kerdi membrane12K/yr -45.1%3.9% conv.

All 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.

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

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

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

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$38.644.7★81 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$44.764.6★183 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

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$94.14183 rev

4mo ago

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$86.6023 rev

4mo ago

Professional Waterproof Membrane for Shower 5In x 50Ft(21 Sq Ft) Superior Waterproofing Solution for Bathroom Kitchen Saunas and Wet Areas

Kauwm$19.54183 rev

10mo ago

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$43.3922 rev

10mo ago

Waterproof Membrane Band for Shower Waterproofing Membrane-3.3Ftx33Ft

JIANBENKJ$38.3383 rev

1y ago

What buyers say about waterproofing membrane

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

What buyers love

Quality-Overall17%

“Great product and easy to use, feels duranle and looks great after install”

Value For Money14%

“Excellent price”

Advertised Vs Actual Product13%

“Work as advertised”

Water Resistance9%

“It's durable material, waterproof and looks and feels very much like the name brand waterproofing bands”

Ease Of Use9%

“easy to use”

Material Quality7%

“The material feels durable”

Assembly/Installation6%

“It was easy to install”

Efficiency5%

“Works well”

Thickness4%

“thicker than other membranes I've used”

Adhesion/Stickiness3%

“It adhered well”

What buyers complain about

Adhesion/Stickiness18%

“Zero wall adhesion”

Material Quality14%

“Poor quality and cheap imitation of schluter membrane”

Quality-Overall14%

“Garbage”

Ease Of Use8%

“I am having a hard time with this product”

Thickness7%

“One drawback is that the product is somewhat thicker than the name brand alternative”

Water Resistance4%

“it also wasnt 100% waterproof”

Advertised Vs Actual Product4%

“The listing describes it as nonwoven”

Absorbency1%

“it beads and doesn't absorb through the top surface of the material”

Assembly/Installation1%

“Havent fully installed everything yet”

Top return reasons

Value For Money14%

Advertised Vs Actual Product12%

Material Quality10%

Adhesion/Stickiness9%

Leak-Proof9%

Size-Overall9%

Water Resistance8%

Quality-Overall5%

Thin5%

Functionality-Overall4%

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.