expanding foam rodent proof
Worth a lookShows low returns (0.9%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Conversion
Incredible12.4%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.78avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Great$9.52–$31.98cheapest 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
Okay1,812.5avg incumbent reviews — the moat a new listing must climb
Brand share
Okay90%top-5 brand share — brands hold most of the demand
Competition
Bad84%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
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.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 2.8×
Top expanding foam rodent proof search terms
- great stuff pestblock22K/yr
- pest block spray foam19K/yr
- expanding foam rodent proof16K/yr
- rodent spray foam17K/yr
- rodent foam sealant16K/yr
- spray foam for mice10K/yr
- rodent foam13K/yr
- pest foam7K/yr
- mouse foam10K/yr
- rodent block spray foam9K/yr
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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Great Stuff 99112809 Smart Dispenser Pestblock Gray
Great Stuff$10.544.3★4,809 rev

Tomcat Rodent Block Expanding Foam Barrier 12 oz.
Tomcat$9.974.3★4,043 rev

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$23.804.2★639 rev

DAP Mouse Shield Foam Sealant and Blocker Off White 12 Oz (7565012506)
DAP$11.864.3★1,195 rev
![[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$31.984.2★300 rev
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$31.98300 rev
![[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$17.01300 rev
![[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$24.01300 rev

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$19.76216 rev

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$19.39257 rev
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$17.014.2★

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$23.804.2★
![[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$31.984.2★

DAP Mouse Shield Foam Sealant and Blocker Off White 12 Oz (7565012506)
DAP$11.864.3★

Great Stuff 99112809 Smart Dispenser Pestblock Gray
Great Stuff$10.544.3★
What buyers say about expanding foam rodent proof
What buyers praise and complain about, mined from review topics.What buyers love
“Easy peasy”
“Works great”
“As advertised”
“Very good...fixed my problem right away and easily, thank you”
“Good price”
“Steel wool excellent product”
“Good Product, scrappy spray nozzle”
“Good size”
“it's durable”
“Good product, does what was designed to do”
What buyers complain about
“Its not Grey”
“Great stuff garbage”
“Very messy doesn't work not an easy clean not effective wouldn't buy waist of money”
“Is very sticky”
“Not worth the money”
“Doesn't work for rats”
“it drips if I spray too much”
“First use it did not hold”
“I found this product to be the worst spray foam I had ever used”
“Not easy to use”
Top return reasons
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.