shower pan liner
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great259.89avg incumbent reviews — the moat a new listing must climb
Avg price
Good$108.09avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Returns
Okay4.2%return rate — above 5% kills the launch gate
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Price range
Okay$19.12–$321.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$94K$94K/yr · 37K searches
Growth
Bad-12.0%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, shower pan liner is a $94K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
shower pan liner market data
- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $135K–$162K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #109
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 50 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
47
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
0%
- Oatey89%
- Torcia6%
- IPS3%
- RddenIy2%
Demand & seasonality
Weekly Amazon search volume, last 95 weeks — -12.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top shower pan liner 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click shareNewest
by launch date
Oatey 6 ft. x 10 ft. 40 mil Gray Shower Pan Liner Roll 4-Pack
Oatey$65.493 rev

Waterproof Membrane for Shower 3.8 FT x 13.12 FT 27.5 Mil Thick Superior Waterproofing Solution for Bathroom Kitchen Saunas and Wet Areas
RddenIy$19.122 rev

Torcia SINGFORM 40 mil Thickness 5 x 6 Shower Pan Liner with 2 Corner Dams | PVC Waterproofing Membrane Shower Pan & Base Sheet for Bathroom and Kitchen Utra Durable Grey
Torcia$42.3494 rev

Water-Tite 83445 PVC Shower Pan Liner 5-by-40-Foot Roll (200 Square Feet) 40-Mil Thick Gray
IPS$164.0719 rev

Oatey PVC Shower Pan Liner Gray 6 x 10
Oatey$70.09484 rev
Trending
90-day click momentum
Oatey 6 ft. x 10 ft. 40 mil Gray Shower Pan Liner Roll 4-Pack
Oatey$65.492.7★

Water-Tite 83445 PVC Shower Pan Liner 5-by-40-Foot Roll (200 Square Feet) 40-Mil Thick Gray
IPS$164.074.2★

Oatey PVC Shower Pan Liner
Oatey$32.734.7★

Torcia SINGFORM 40 mil Thickness 5 x 6 Shower Pan Liner with 2 Corner Dams | PVC Waterproofing Membrane Shower Pan & Base Sheet for Bathroom and Kitchen Utra Durable Grey
Torcia$42.344.2★

Waterproof Membrane for Shower 3.8 FT x 13.12 FT 27.5 Mil Thick Superior Waterproofing Solution for Bathroom Kitchen Saunas and Wet Areas
RddenIy$19.124.5★
What buyers say about shower pan liner
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“Worked Great”
“Good price point”
“Exactly what I was looking for”
“SO FAR, IT FIT INTO PLACE”
“EASY TO WORK WITH”
“Heavy”
“good thickness”
Top return reasons
Common questions
- Is shower pan liner profitable to sell on Amazon United States?
- The niche generates $94K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.0%. Flapen's verdict: Skip it (31/100).
- How competitive is the shower pan liner niche?
- 4 brands and 47 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
- When does demand for shower pan liner peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the shower pan liner niche?
- Listings span $19.12–$321.61; the average listing price is $108.09 (sweet spot $15–$100). The average incumbent carries 260 reviews — the moat a new listing must climb.


