---
title: "Shower Dam — $164K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/shower-dam"
last_updated: "2026-08-08T14:34:04.863Z"
locale: en
meta:
description: "Niche score 47/100 · $164K/yr market · 229K searches/yr · $23.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $164K/yr market · 229K searches/yr · $23.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Shower Dam — $164K/yr Amazon US Niche (2026) - Flapen"
---
# **shower dam**
**Skip it**
Soft demand (+6.1% this quarter) — this niche doesn't clear our bar today.
Market size 34Growth 33Conversion 38Competition 41Returns 34Price range 72Avg price 95Brand share 39Review moat 77Quality gap 72
**Avg price**
**Incredible****$23.82**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****467.62**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$5.67–$38.66**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$164K**
$164K/yr · 229K searches
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+6.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, shower dam is a $164K/yr Amazon United States market (229K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 47/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **shower dam market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$191K–$238K**
- units × avg price
- **Conversion rate**
- **3.0%**
- **Avg BSR**
- **#51**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 99%
**Open market**
**13%**
- Duzzy28% - Raycity23% - Hzetuu14% - Zehiels9% - HIPPO DAM7% - Hi-Na6% - Open — no brand owns it (7 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +6.1% search growth over the last 90 days.
5K3KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/shower-dam/trend)
## **Top shower dam search terms**
- **shower threshold water dam**41K/yr+11.2%3.0% conv. - **shower dam**35K/yr+6.1%3.0% conv. - **shower water dam**22K/yr+9.6%2.8% conv. - **shower dam for walk in shower**20K/yr+2.6%3.3% conv. - **shower threshold**25K/yr-35.4%1.7% conv. - **water dam for shower**13K/yr+29.1%2.6% conv. - **shower threshold water dam barrier**12K/yr+14.2%2.0% conv. - **shower lip water guard**9K/yr+19.5%2.2% conv. - **water catcher shower**3K/yr+87.2%0.1% conv. - **shower dam strip**6K/yr+3.9%3.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/shower-dam/search-terms)
## **Top shower dam 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%5%$8K10%$16K15%$25K20%$33K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Duzzy 67 Inch Collapsible Shower Water Dam Shower Stopper Barrier and Retention System and Keeps Water Inside Threshold Dry and Wet Separation Suitable for Bathroom and Kitchen**Duzzy**$34.07**4.5★2,087 rev](https://www.amazon.com/dp/B07X3ZB8T3) [2**New Collapsible Shower Threshold Water Dam Self Adhesive Silicone Waterproof Barrier Bathroom and Kitchen Water Strip Dam Shower Guard for Dry And Wet Separation Caulk Seal Strip Edge Trim(TM)**Raycity**$15.41**4.2★1,176 rev](https://www.amazon.com/dp/B09Z72Q5XN) [3**Shower Threshold Water Dam Guard - Self-Adhesive Silicone Waterproof Barrier Leak-Proof Flexible Easy Installation Customizable Length for Showers Bathtubs Sinks and Countertops by Hzetuu**Hzetuu**$10.72**4.0★727 rev](https://www.amazon.com/dp/B0CZDH7649) [4**Raycity 3 High Shower Threshold Water Dam 59 IN Collapsible Shower Water Splash Guard for Curbless Shower Threshold Barrier Water Stopper for Wet and Dry Separation Bathroom and Kitchen (White)**Raycity**$38.66**4.6★562 rev](https://www.amazon.com/dp/B0CMQ8KRHM) [5**Zehiels 39 Shower Threshold Water Dam Silicone Shower Water Guard Collapsible Shower Door Bottom Seal Shower Splash Guard for Wet and Dry Separation**Zehiels**$15.69**4.4★173 rev](https://www.amazon.com/dp/B0FKMRQMHK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Shower Threshold Water Dam Barrier 39 - Transparent Collapsible Walk in Shower Water Guard - Door Bottom Seal Strip Leak Guard by Hippo Dam**HIPPO DAM**$19.16**110 rev3mo ago](https://www.amazon.com/dp/B0GJLMPSQ7) [**FCSOTSPS Shower Dam 2 PCS 1/2 X 1/4 (WxH) Shower Threshold Water Dam 36In Clear Acrylic Shower Bottom Seal Stop Shower Leaks and Create a Water Barrier**FCSOTSPS**$26.33**41 rev10mo ago](https://www.amazon.com/dp/B0FPLMVLCG) [**Zehiels 39 Shower Threshold Water Dam Silicone Shower Water Guard Collapsible Shower Door Bottom Seal Shower Splash Guard for Wet and Dry Separation**Zehiels**$15.69**173 rev12mo ago](https://www.amazon.com/dp/B0FKMRQMHK) [**Zehiels 67 Shower Threshold Water Dam Silicone Shower Water Guard Collapsible Shower Door Bottom Seal Shower Splash Guard for Wet and Dry Separation**Zehiels**$23.64**173 rev12mo ago](https://www.amazon.com/dp/B0FKMRRJ5V) [**Collapsible Shower Threshold Water Dam - 67in Self-Adhesive Silicone Barrier for Wet-Dry Separation - Flexible Splash Guard for Walk-In Showers Bathroom Floor & Kitchen Sink - ADA Accessible Profile**Hzetuu**$28.54**118 rev1y ago](https://www.amazon.com/dp/B0F6JV9121)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Shower Threshold Water Dam Barrier 39 - Transparent Collapsible Walk in Shower Water Guard - Door Bottom Seal Strip Leak Guard by Hippo Dam**HIPPO DAM**$19.16**3.8★**▲ 276%**](https://www.amazon.com/dp/B0GJLMPSQ7) [**Zehiels 67 Shower Threshold Water Dam Silicone Shower Water Guard Collapsible Shower Door Bottom Seal Shower Splash Guard for Wet and Dry Separation**Zehiels**$23.64**4.4★**▲ 152%**](https://www.amazon.com/dp/B0FKMRRJ5V) [**FCSOTSPS Shower Dam 2 PCS 1/2 X 1/4 (WxH) Shower Threshold Water Dam 36In Clear Acrylic Shower Bottom Seal Stop Shower Leaks and Create a Water Barrier**FCSOTSPS**$26.33**4.3★**▲ 119%**](https://www.amazon.com/dp/B0FPLMVLCG) [**Zehiels 39 Shower Threshold Water Dam Silicone Shower Water Guard Collapsible Shower Door Bottom Seal Shower Splash Guard for Wet and Dry Separation**Zehiels**$15.69**4.4★**▲ 116%**](https://www.amazon.com/dp/B0FKMRQMHK) [**Hi-Na 3ft/5ft/6ft/8ft/10ft Collapsible Shower Threshold Water Dam Water Barrier for Shower and Water Stopper Keeps Water Inside Water Threshold for Wet and Dry Separation (5ft White)**Hi-Na**$25.75**4.5★**▲ 54%**](https://www.amazon.com/dp/B089KBYVDT)
**~~View all trending →~~**
## **What buyers say about shower dam**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“This strip is well made”*
**Assembly/Installation**15%
*“Easy install”*
**Advertised Vs Actual Product**10%
*“Works as advertised”*
**Efficiency**9%
*“Works for our purpose”*
**Adhesion/Stickiness**7%
*“Works well adheres tight”*
**Value For Money**5%
*“reasonable price”*
**Water Flow**4%
*“Works well for containing water in my open plan shower”*
**Water Resistance**4%
*“Easy to use water barrier”*
**Leak-Proof**4%
*“Didn't leak at all”*
**Ease Of Use**4%
*“Easy to use”*
### **What buyers complain about **
**Adhesion/Stickiness**34%
*“Adhesive is terrible”*
**Water Resistance**6%
*“Not water tight as is”*
**Functionality-Overall**6%
*“Did not work”*
**Quality-Overall**5%
*“Not the best looking”*
**Value For Money**3%
*“Not worth the cost of the item”*
**Durability**3%
*“didnt hold for long”*
**Ease Of Cleaning**3%
*“even after cleaning”*
**Smell**2%
*“probably shouldve worn a mask for the terrible smell of the glue”*
**Size-Overall**2%
*“They do not give the size”*
**Leak-Proof**2%
*“Ever since my shower was built I've had a problem with water leaking out around the bottom of the door”*
### **Top return reasons **
**Size-Overall**38%
**Adhesion/Stickiness**14%
**Functionality-Overall**12%
**Advertised Vs Actual Product**7%
**Compatibility-Overall**6%
**Height**6%
**Color**3%
**Defective Material/Parts**2%
**Value For Money**2%
**Leak-Proof**2%
## **Common questions**
- **Is shower dam profitable to sell on Amazon United States?**
- The niche generates $164K/yr across 21 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +6.1%. Flapen's verdict: Skip it (47/100).
- **How competitive is the shower dam niche?**
- 13 brands and 16 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in shower dam?**
- Top complaints mined from reviews: Adhesion/Stickiness, Water Resistance, Functionality-Overall. The return rate is 4.3%.
- **When does demand for shower dam peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the shower dam niche?**
- Listings span $5.67–$38.66; the average listing price is $23.82 (sweet spot $15–$100). The average incumbent carries 468 reviews — the moat a new listing must climb.
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