---
title: "12 Mil Vapor Barrier — $92K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/12-mil-vapor-barrier"
last_updated: "2026-08-08T08:52:37.905Z"
locale: en
meta:
description: "Niche score 44/100 · $92K/yr market · 19K searches/yr · $141.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $92K/yr market · 19K searches/yr · $141.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "12 Mil Vapor Barrier — $92K/yr Amazon US Niche (2026) - Flapen"
---
# **12 mil vapor barrier**
**Skip it**
Prices mostly outside the sweet spot ($22.98–$371.43) — this niche doesn't clear our bar today.
Market size 23Growth 44Conversion 42Competition 54Returns 59Price range 22Avg price 61Brand share 44Review moat 92Quality gap 24
**Review moat**
**Great****162.31**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$141.87**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+15.2%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$92K**
$92K/yr · 19K searches
**Price range**
**Bad****$22.98–$371.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 12 mil vapor barrier is a $92K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 44/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **12 mil vapor barrier market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$142K–$177K**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#175**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **85%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **214 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▲rising
**Sellers**
**15**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 93%
**Open market**
**14%**
- SPIRECOVER33% - ALORAIR20% - PureSpace Armor10% - SUNSHORE8% - Crawldryer7% - Crawl Space DIY7% - Open — no brand owns it (5 brands, 14%)
## **Demand**
Weekly Amazon search volume, last 17 weeks — +15.2% search growth over the last 90 days.
450350Spike '26Prime Day '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/12-mil-vapor-barrier/trend)
## **Top 12 mil vapor barrier search terms**
- **12 mil vapor barrier for crawl space**8K/yr-2.2%3.3% conv. - **12 mil vapor barrier**7K/yr+35.5%3.5% conv. - **12 mil plastic sheeting**5K/yr+22.9%2.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/12-mil-vapor-barrier/search-terms)
## **Top 12 mil vapor barrier 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%$18K30%$28K40%$37K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Spirecover Crawl Space Vapor Barrier 12 Mil 10x100 Black/White Panda Film**SPIRECOVER**$194.27**4.6★392 rev](https://www.amazon.com/dp/B0CMQ5DQXH) [2**ALORAIR 12 mil Crawl Space Vapor Barrier 10 x 100 Heavy-Duty Plastic Sheeting Black/White Panda Film Crawlspace Encapsulation Ground Cover Drop Cloth Commercial & Residential Use**ALORAIR**$176.18**4.3★63 rev](https://www.amazon.com/dp/B0F6V5F4XP) [3**SUNSHORE 10 x 100 Crawl Space Vapor Barrier 12 Mil Plastic Sheeting Drop Cloth Covering for Crawl Space Encapsulation Basement Heavy Duty Polyethylene Black/White Panda Film (12mil 10x100)**SUNSHORE**$158.75**4.9★20 rev](https://www.amazon.com/dp/B0F2SXVH6M) [4**ALORAIR Crawl Space Vapor Barrier 12 mil 10x50 Drop Cloth Vapor Barrier Covering for Crawlspace Encapsulation Moisture Control Thick Plastic Sheeting Heavy Duty Black and White Panda Film**ALORAIR**$100.36**4.3★63 rev](https://www.amazon.com/dp/B0F63FPPWT) [5**Crawl Space Vapor Barrier - 12 mil (10 x 100) Heavy Duty Plastic sheeting Concrete Vapor Barrier Covering for Crawlspace Encapsulation kit Thick Polyethylene Film Black and White Panda Film**Crawldryer**$191.37**4.5★195 rev](https://www.amazon.com/dp/B0D7M4BW4L)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Crawl Space Vapor Barrier 12 Mil Vapor Barrier 12x12 Thick White Plastic Sheeting Drop Cloth White Vapor Barrier Covering for Crawlspace Encapsulation Basement Heavy Duty Polyethylene Film**PureSpace Armor**$35.34**130 rev3mo ago](https://www.amazon.com/dp/B0GR87LXSB) [**Crawl Space Vapor Barrier 10 Mil Vapor Barrier 12x100 White Plastic Sheeting - Thick Plastic Sheeting Heavy Duty Polyethylene Film Drop Cloth Vapor Barrier Covering for Crawl Space Basement**PureSpace Armor**$162.59**163 rev6mo ago](https://www.amazon.com/dp/B0GJ611RC6) [**Crawl Space Vapor Barrier - 12 Mil Vapor Barrier - (12 x 100) Tear Resistant Heavy Duty Vapor Barrier Plastic Drop Cloth Moisture Barrier Plastic Sheeting Covering for Crawlspace Encapsulation**VAPLINX**$248.92**78 rev8mo ago](https://www.amazon.com/dp/B0DSKQCPDM) [**Crawl Space Vapor Barrier - 15 Mil Vapor Barrier - (12 x 12) Tear Resistant Heavy Duty Vapor Barrier Plastic Drop Cloth Moisture Barrier Plastic Sheeting Covering for Crawlspace Encapsulation**VAPLINX**$37.28**78 rev1y ago](https://www.amazon.com/dp/B0DSKWMQVM) [**Farm Plastic Supply - Crawl Space Vapor Barrier - 12 mil - Black/White Heavy Duty Plastic Sheeting - Thick Polyethylene Film Drop Cloth Vapor Barrier Covering for Crawlspace and Basement (6 x 10)**Farm Plastic Supply**$39.89**0 rev1y ago](https://www.amazon.com/dp/B0F9ZZDDXB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Crawl Space Vapor Barrier 12 Mil Vapor Barrier 12x12 Thick White Plastic Sheeting Drop Cloth White Vapor Barrier Covering for Crawlspace Encapsulation Basement Heavy Duty Polyethylene Film**PureSpace Armor**$35.34**4.6★**▲ 260%**](https://www.amazon.com/dp/B0GR87LXSB) [**Crawl Space Vapor Barrier 10 Mil Vapor Barrier 12x100 White Plastic Sheeting - Thick Plastic Sheeting Heavy Duty Polyethylene Film Drop Cloth Vapor Barrier Covering for Crawl Space Basement**PureSpace Armor**$162.59**4.7★**▲ 257%**](https://www.amazon.com/dp/B0GJ611RC6) [**Spirecover White 10 Mil Plastic Sheeting 10x100 Crawlspace Vapor Barrier**SPIRECOVER**$128.40**4.7★**▲ 211%**](https://www.amazon.com/dp/B0DK98CV69) [**BaseAire Crawl Space Vapor Barrier 12mil Film 10x100 Thick Plastic Sheeting Heavy-Duty Drop Cloth Moisture Barrier Covering for Crawlspace Encapsulation Black and White Panda Film**BASEAIRE DRY YOUR CRAWL SPACE & BASEMENT**$185.07**4.7★**▲ 210%**](https://www.amazon.com/dp/B0F6BFWCFG) [**ALORAIR Crawl Space Vapor Barrier 12 mil 10x30 Drop Cloth Vapor Barrier Covering for Crawlspace Encapsulation Moisture Control Thick Plastic Sheeting Heavy Duty Black and White Panda Film**ALORAIR**$69.34**4.3★**▲ 141%**](https://www.amazon.com/dp/B0F63B1YJQ)
**~~View all trending →~~**
## **What buyers say about 12 mil vapor barrier**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Adhesion/Stickiness**16%
*“Get good tape to go with this purchase”*
**Quality-Overall**16%
*“Great quality, used for encapsulation around piers”*
**Value For Money**8%
*“Great price point”*
**Advertised Vs Actual Product**7%
*“Did the job as advertised”*
**Strength**7%
*“Very strong”*
**Durability**7%
*“Very durable”*
**Thickness**6%
*“Good thick plastic”*
**Ease Of Use**5%
*“Easy to use”*
**Efficiency**5%
*“This barrier worked great for me”*
**Stitch/Finish/Polish**4%
*“seals up the seam great”*
### **What buyers complain about **
**Thickness**31%
*“The plastic is thicker than what some OEM manufacturers use”*
**Adhesion/Stickiness**13%
*“sticks like crazy”*
**Stitch/Finish/Polish**6%
*“We had some seams that had come loose because the original tape used was thinner”*
**Smell**6%
*“no off smell definitely thick would recommend opening it up before you go into a tight spot”*
**Material Quality**6%
*“Tough material”*
**Durability**4%
*“leading to long term durability questions”*
### **Top return reasons **
**Adhesion/Stickiness**13%
**Value For Money**13%
**Color**12%
**Thickness**11%
**Size-Overall**11%
**Material Quality**7%
**Functionality-Overall**5%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**4%
**Thin**4%
## **Common questions**
- **Is 12 mil vapor barrier profitable to sell on Amazon United States?**
- The niche generates $92K/yr across 26 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +15.2%. Flapen's verdict: Skip it (44/100).
- **How competitive is the 12 mil vapor barrier niche?**
- 11 brands and 15 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in 12 mil vapor barrier?**
- Top complaints mined from reviews: Thickness, Adhesion/Stickiness, Stitch/Finish/Polish. The return rate is 2.6%.
- **What does it cost to enter the 12 mil vapor barrier niche?**
- Listings span $22.98–$371.43; the average listing price is $141.87 (sweet spot $15–$100). The average incumbent carries 162 reviews — the moat a new listing must climb.
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