---
title: "Closed Cell Foam — $87K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/closed-cell-foam"
last_updated: "2026-08-10T23:37:25.952Z"
locale: en
meta:
description: "Niche score 43/100 · $87K/yr market · 139K searches/yr · $28.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $87K/yr market · 139K searches/yr · $28.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Closed Cell Foam — $87K/yr Amazon US Niche (2026) - Flapen"
---
# **closed cell foam**
**Skip it**
A small market ($87K/yr) — this niche doesn't clear our bar today.
Market size 22Growth 41Conversion 27Competition 33Returns 52Price range 88Avg price 95Brand share 48Review moat 64Quality gap 40
**Avg price**
**Incredible****$28.83**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.21–$74.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****957.53**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+12.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$87K**
$87K/yr · 139K searches
According to Flapen's Amazon United States niche tracking, closed cell foam is a $87K/yr Amazon United States market (139K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 43/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **closed cell foam market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$72K–$86K**
- units × avg price
- **Conversion rate**
- **2.2%**
- **Avg BSR**
- **#30**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**19%**
- Artilife37% - Siless15% - FOAMZZ12% - VOISEN7% - Treela5% - AggSound5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +12.4% search growth over the last 90 days.
4K3KSpike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/automotive/closed-cell-foam/trend)
## **Top closed cell foam search terms**
- **closed cell foam**79K/yr+8.6%1.6% conv. - **closed cell foam sheet**28K/yr+8.0%1.1% conv. - **closed-cell foam**6K/yr+56.9%1.2% conv. - **closed cell foam roll**5K/yr+59.5%1.0% conv. - **high density closed cell foam**5K/yr+33.4%0.3% conv. - **closed cell foam insulation**8K/yr-21.2%0.7% conv. - **closed cell foam sheets**5K/yr+23.8%0.8% conv. - **close cell foam**3K/yr+26.7%1.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/closed-cell-foam/search-terms)
## **Top closed cell foam 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%10%$9K20%$17K30%$26K40%$35K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Artilife Closed Cell Foam Roll Easy to Cut into Foam Sheets & Foam Pads for Sound Insulation Cushion & DIY Projects (1/2 T x 13 W x 60 L)**Artilife**$24.45**4.5★873 rev](https://www.amazon.com/dp/B088D2QC7B) [2**Foamzz by Big UGGLY High-Density Foam Panels Closed-Cell Insulation Foam Pads Black 12 X 12 X 1 (2 Pack)**FOAMZZ**$18.23**4.6★123 rev](https://www.amazon.com/dp/B0BNP4D39T) [3**Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat - PE Foam Sound Deadener Material & Heat Barrier**Siless**$44.91**4.5★3,473 rev](https://www.amazon.com/dp/B07B75PD8B) [4**VOISEN Sound Deading Material for Cars 157 MIL (4 mm) 36 sqft Sound Deadening Mat Sound Deadening Car Sound Deadening Closed Cell Foam PE Foam Sound Deadener Material & Heat Barrier**VOISEN**$36.04**4.6★381 rev](https://www.amazon.com/dp/B0CYNRQWFJ) [5**Treela 2 Pcs Customizable Polyethylene Foam Sheets 16x12x2 Black Thick Cuttable Foam Padding Inserts for Cases Polyethylene Block Sheet for Packing Toolbox Storage and Craft Pad**Treela**$23.06**4.6★143 rev](https://www.amazon.com/dp/B0BXWWW4YH)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ToLanbbt Sponge Neoprene Foam Sheet with Adhesive - 1/4 Thick 12 x 59 Closed Cell Foam Rubber Roll Weatherproof Soundproof Padding for Automotive Cabinet Furniture Crafts DIY Black**ToLanbbt**$15.19**77 rev11mo ago](https://www.amazon.com/dp/B0FK5BQPB8) [**ToLanbbt 8 PCS Adhesive Foam Padding Sheets Closed Cell Neoprene Foam Sheet 1/2 Thick 4 x 4 Self Stick Insulation Anti Vibration Pads Anti-Slip for Furniture Cars Speakers DIY**ToLanbbt**$9.21**210 rev1y ago](https://www.amazon.com/dp/B0DPM1LKKZ) [**Storystore Foam Rubber Sheet with Adhesive 12 x 59 x 1/4 Inch Closed Cell Insulation Neoprene Foam Sheet Multi-Function Soundproof Weatherproof Foam Padding**Storystore**$16.60**185 rev2y ago](https://www.amazon.com/dp/B0D87D5STS) [**VOISEN Sound Deading Material for Cars 157 MIL (4 mm) 36 sqft Sound Deadening Mat Sound Deadening Car Sound Deadening Closed Cell Foam PE Foam Sound Deadener Material & Heat Barrier**VOISEN**$36.04**381 rev2y ago](https://www.amazon.com/dp/B0CYNRQWFJ) [**FoamTouch 1 Thick x 24 Wide x 96 Long Charcoal High Density Foam Ideal for Foam Padding Seat Replacement Chair Cushion Replacement Wheelchair Seat Cushion and More**FoamTouch**$29.77**107 rev2y ago](https://www.amazon.com/dp/B0CV6235Q4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Artilife Closed Cell Foam Roll Easy to Cut into Foam Sheets & Pads for Sound Insulation Cushion & DIY Projects (1/8 T x 13 W x 80 L)**Artilife**$12.92**4.5★**▲ 115%**](https://www.amazon.com/dp/B088D73729) [**Artilife Closed Cell Foam Roll Easy to Cut into Foam Sheets & Foam Pads for Sound Insulation Cushion & DIY Projects (1/8 T x 17 W x 80 L)**Artilife**$17.18**4.5★**▲ 80%**](https://www.amazon.com/dp/B088CT26T4) [**Siless LinerPRO 2in1 200 mil (5mm) 36 sqft Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener**Siless**$74.32**4.6★**▲ 58%**](https://www.amazon.com/dp/B09LQQ4KSW) [**VOISEN Sound Deading Material for Cars 157 MIL (4 mm) 36 sqft Sound Deadening Mat Sound Deadening Car Sound Deadening Closed Cell Foam PE Foam Sound Deadener Material & Heat Barrier**VOISEN**$36.04**4.6★**▲ 37%**](https://www.amazon.com/dp/B0CYNRQWFJ) [**Artilife Closed Cell Foam Roll Easy to Cut into Foam Sheets & Foam Pads for Sound Insulation Cushion & DIY Projects (1/2 T x 13 W x 60 L)**Artilife**$24.45**4.5★**▲ 32%**](https://www.amazon.com/dp/B088D2QC7B)
**~~View all trending →~~**
## **What buyers say about closed cell foam**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Adhesion/Stickiness**16%
*“Sticks good”*
**Quality-Overall**15%
*“So far, excellent, was extremely easy to work with”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Ease Of Use**10%
*“Easy to use”*
**Value For Money**5%
*“Worth it”*
**Assembly/Installation**5%
*“Easy Install”*
**Material Quality**5%
*“This material is easy to work with”*
**Efficiency**5%
*“It works well”*
**Noise Level**5%
*“Quiet”*
**Size-Overall**3%
*“Fit head to head perfectly”*
### **What buyers complain about **
**Adhesion/Stickiness**20%
*“The adhesive didnt seem strong enough”*
**Noise Level**7%
*“Not good sound deadening”*
**Thickness**6%
*“Actually only 1/16th inch thick”*
**Value For Money**6%
*“Its not worth the cost”*
**Audio Quality**5%
*“Very poor quality sound deadening”*
**Quality-Overall**4%
*“Not high quality”*
**Assembly/Installation**4%
*“are from improper installation”*
**Functionality-Overall**3%
*“This product doesnt work”*
**Foam**3%
*“Not closed cell foam”*
**Advertised Vs Actual Product**3%
*“Not what it should be”*
### **Top return reasons **
**Size-Overall**16%
**Thin**11%
**Material Quality**10%
**Advertised Vs Actual Product**9%
**Adhesion/Stickiness**8%
**Thickness**8%
**Value For Money**5%
**Quality-Overall**3%
**Compatibility-Overall**3%
**Functionality-Overall**3%
## **Common questions**
- **Is closed cell foam profitable to sell on Amazon United States?**
- The niche generates $87K/yr across 19 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +12.4%. Flapen's verdict: Skip it (43/100).
- **How competitive is the closed cell foam niche?**
- 13 brands and 18 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in closed cell foam?**
- Top complaints mined from reviews: Adhesion/Stickiness, Noise Level, Thickness. The return rate is 2.9%.
- **When does demand for closed cell foam peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the closed cell foam niche?**
- Listings span $9.21–$74.32; the average listing price is $28.83 (sweet spot $15–$100). The average incumbent carries 958 reviews — the moat a new listing must climb.
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