---
title: "Expanding Foam Rodent Proof — $404K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/expanding-foam-rodent-proof"
last_updated: "2026-08-10T13:47:17.512Z"
locale: en
meta:
description: "Niche score 60/100 · $404K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $404K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Expanding Foam Rodent Proof — $404K/yr Amazon US Niche (2026) - Flapen"
---
# **expanding foam rodent proof**
**Worth a look**
Shows low returns (0.9%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 56Growth 67Conversion 95Competition 13Returns 96Price range 75Avg price 82Brand share 25Review moat 47Quality gap 76
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.78**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$9.52–$31.98**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+47.8%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$404K**
$404K/yr · 184K searches
**Review moat**
**Okay****1,812.5**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****90%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, expanding foam rodent proof is a $404K/yr Amazon United States market (184K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 60/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **expanding foam rodent proof market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$445K–$533K**
- units × avg price
- **Conversion rate**
- **12.4%**
- **Avg BSR**
- **#19**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**5%**
- Great Stuff41% - Tomcat18% - SPRAYMAN12% - PAMAZY10% - DAP9% - Alabrocon5% - Open — no brand owns it (2 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +47.8% search growth over the last 90 days.
6K4KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/expanding-foam-rodent-proof/trend)
## **Top expanding foam rodent proof search terms**
- **great stuff pestblock**22K/yr+88.1%17.5% conv. - **pest block spray foam**19K/yr+39.4%9.9% conv. - **expanding foam rodent proof**16K/yr+38.7%8.4% conv. - **rodent spray foam**17K/yr+29.8%9.4% conv. - **rodent foam sealant**16K/yr+11.6%9.3% conv. - **spray foam for mice**10K/yr+106.5%10.0% conv. - **rodent foam**13K/yr+53.5%9.9% conv. - **pest foam**7K/yr+91.7%8.9% conv. - **mouse foam**10K/yr+22.9%7.6% conv. - **rodent block spray foam**9K/yr-13.9%8.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/expanding-foam-rodent-proof/search-terms)
## **Top expanding foam rodent proof 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%15%$61K30%$121K45%$182K60%$242K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Great Stuff 99112809 Smart Dispenser Pestblock Gray**Great Stuff**$10.54**4.3★4,809 rev](https://www.amazon.com/dp/B07GL5H78K) [2**Tomcat Rodent Block Expanding Foam Barrier 12 oz.**Tomcat**$9.97**4.3★4,043 rev](https://www.amazon.com/dp/B07YM5BY58) [3**Sprayman Pest Block Spray Foam - (2x12oz) 100% Odor-Free! Mouse - Rodent Repellent & Strong Polyurethane Mouse Blocker Foam Sealant Use Wall Foam Filler for Holes and Cracks Over Paintable- 2 Pack**SPRAYMAN**$23.80**4.2★639 rev](https://www.amazon.com/dp/B0CZ128K2J) [4**DAP Mouse Shield Foam Sealant and Blocker Off White 12 Oz (7565012506)**DAP**$11.86**4.3★1,195 rev](https://www.amazon.com/dp/B06XXSWRYH) [5![[Upgraded] Rodent Barrier Kit 3Pcs Steel Wool Included 3Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage](https://m.media-amazon.com/images/I/51+cNBhpq1L.jpg)**\[Upgraded\] Rodent Barrier Kit 3Pcs Steel Wool Included 3Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage**PAMAZY**$31.98**4.2★300 rev](https://www.amazon.com/dp/B0F5M3L1QL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![[Upgraded] Rodent Barrier Kit 3Pcs Steel Wool Included 3Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage](https://m.media-amazon.com/images/I/51+cNBhpq1L.jpg)**\[Upgraded\] Rodent Barrier Kit 3Pcs Steel Wool Included 3Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage**PAMAZY**$31.98**300 rev1y ago](https://www.amazon.com/dp/B0F5M3L1QL) [![[Upgraded] Rodent Barrier Kit Steel Wool Included PU Spray Foam Hole Filler for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage](https://m.media-amazon.com/images/I/61ySmHGvwcL.jpg)**\[Upgraded\] Rodent Barrier Kit Steel Wool Included PU Spray Foam Hole Filler for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage**PAMAZY**$17.01**300 rev1y ago](https://www.amazon.com/dp/B0F5M3LT75) [![[Upgraded] Rodent Barrier Kit 2Pcs Steel Wool Included 2Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage](https://m.media-amazon.com/images/I/51r2VZ9mlhL.jpg)**\[Upgraded\] Rodent Barrier Kit 2Pcs Steel Wool Included 2Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage**PAMAZY**$24.01**300 rev1y ago](https://www.amazon.com/dp/B0F5M3RZNJ) [**Stanley F993 PestBlocker Foam (2x12oz) Gaps & Cracks Filler Expanding Sealant Spray for Indoor/Outdoor Use Paintable Waterproof Polyurethane Insulation Foam with Straw Applicator | 2 Pack**STANLEY**$19.76**216 rev1y ago](https://www.amazon.com/dp/B0F4RGKYJM) [**Kraken Bond Pestblokc Spray Foam Sealant - (2x12oz) Polyurethane Expanding Sealant for Gaps & Cracks with Mothball Odor Straw-Application Paintable Foam Filler for Wall Holes - 2 Pack**KRAKEN BOND**$19.39**257 rev2y ago](https://www.amazon.com/dp/B0D92R1MZK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![[Upgraded] Rodent Barrier Kit Steel Wool Included PU Spray Foam Hole Filler for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage](https://m.media-amazon.com/images/I/61ySmHGvwcL.jpg)**\[Upgraded\] Rodent Barrier Kit Steel Wool Included PU Spray Foam Hole Filler for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage**PAMAZY**$17.01**4.2★**▲ 40%**](https://www.amazon.com/dp/B0F5M3LT75) [**Sprayman Pest Block Spray Foam - (2x12oz) 100% Odor-Free! Mouse - Rodent Repellent & Strong Polyurethane Mouse Blocker Foam Sealant Use Wall Foam Filler for Holes and Cracks Over Paintable- 2 Pack**SPRAYMAN**$23.80**4.2★**▲ 21%**](https://www.amazon.com/dp/B0CZ128K2J) [![[Upgraded] Rodent Barrier Kit 3Pcs Steel Wool Included 3Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage](https://m.media-amazon.com/images/I/51+cNBhpq1L.jpg)**\[Upgraded\] Rodent Barrier Kit 3Pcs Steel Wool Included 3Pcs PU Spray Foam for Mice Control 3.2x7.5 Rodent Control Fill Fabric Gloves Scissors Gap Blocker in Hole Pipeline Vent in House Garage**PAMAZY**$31.98**4.2★**▲ 19%**](https://www.amazon.com/dp/B0F5M3L1QL) [**DAP Mouse Shield Foam Sealant and Blocker Off White 12 Oz (7565012506)**DAP**$11.86**4.3★**▲ 18%**](https://www.amazon.com/dp/B06XXSWRYH) [**Great Stuff 99112809 Smart Dispenser Pestblock Gray**Great Stuff**$10.54**4.3★**▲ 15%**](https://www.amazon.com/dp/B07GL5H78K)
**~~View all trending →~~**
## **What buyers say about expanding foam rodent proof**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**18%
*“Easy peasy”*
**Efficiency**17%
*“Works great”*
**Advertised Vs Actual Product**16%
*“As advertised”*
**Quality-Overall**12%
*“Very good...fixed my problem right away and easily, thank you”*
**Value For Money**9%
*“Good price”*
**Material Quality**3%
*“Steel wool excellent product”*
**Spray/Flow**3%
*“Good Product, scrappy spray nozzle”*
**Size-Overall**2%
*“Good size”*
**Durability**2%
*“it's durable”*
**Design-Overall**1%
*“Good product, does what was designed to do”*
### **What buyers complain about **
**Color**13%
*“Its not Grey”*
**Quality-Overall**8%
*“Great stuff garbage”*
**Ease Of Cleaning**7%
*“Very messy doesn't work not an easy clean not effective wouldn't buy waist of money”*
**Adhesion/Stickiness**6%
*“Is very sticky”*
**Value For Money**6%
*“Not worth the money”*
**Functionality-Overall**5%
*“Doesn't work for rats”*
**Leak-Proof**4%
*“it drips if I spray too much”*
**Durability**3%
*“First use it did not hold”*
**Spray/Flow**3%
*“I found this product to be the worst spray foam I had ever used”*
**Ease Of Use**3%
*“Not easy to use”*
### **Top return reasons **
**Size-Overall**23%
**Material Quality**21%
**Value For Money**19%
**Functionality-Overall**9%
**Advertised Vs Actual Product**8%
**Thin**6%
**Defective Material/Parts**4%
**Strength**2%
**Ease Of Use**2%
**Quality-Overall**2%
## **Common questions**
- **Is expanding foam rodent proof profitable to sell on Amazon United States?**
- The niche generates $404K/yr across 10 tracked products. 90-day search growth is +47.8%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the expanding foam rodent proof niche?**
- 8 brands and 48 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in expanding foam rodent proof?**
- Top complaints mined from reviews: Color, Quality-Overall, Ease Of Cleaning. The return rate is 0.9%.
- **When does demand for expanding foam rodent proof peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the expanding foam rodent proof niche?**
- Listings span $9.52–$31.98; the average listing price is $17.78 (sweet spot $15–$100). The average incumbent carries 1,813 reviews — the moat a new listing must climb.
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