---
title: "closed cell foam — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
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last_updated: "2026-07-14T01:38:06.143Z"
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  description: "a small market ($87K/yr) — closed cell foam doesn't clear our bar today."
  "og:description": "a small market ($87K/yr) — closed cell foam doesn't clear our bar today."
  "og:title": "closed cell foam — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**19%**

- Artilife37% - Siless15% - FOAMZZ12% - VOISEN7% - Treela5% - AggSound5%

## **Product shelf**

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)](https://m.media-amazon.com/images/I/41v17pTp31L.jpg)**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)](https://m.media-amazon.com/images/I/21++AwUfcVL.jpg)**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](https://m.media-amazon.com/images/I/51f+nt1dI5S.jpg)**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](https://m.media-amazon.com/images/I/41K0VBEkHWL.jpg)**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](https://m.media-amazon.com/images/I/51sQP4rm4HL.jpg)**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](https://m.media-amazon.com/images/I/41O0n9wb4aL.jpg)**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](https://m.media-amazon.com/images/I/31AG7IhYmzL.jpg)**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](https://m.media-amazon.com/images/I/31zcCEYv5jL.jpg)**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](https://m.media-amazon.com/images/I/41K0VBEkHWL.jpg)**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](https://m.media-amazon.com/images/I/31JH8N0fzfL.jpg)**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)](https://m.media-amazon.com/images/I/31tToZQ-HxL.jpg)**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)](https://m.media-amazon.com/images/I/31jZFeZT5zL.jpg)**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](https://m.media-amazon.com/images/I/51AZ6M7OKRL.jpg)**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](https://m.media-amazon.com/images/I/41K0VBEkHWL.jpg)**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)](https://m.media-amazon.com/images/I/41v17pTp31L.jpg)**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 →~~**

## **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×

## **Reviews**

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%