sound deadening spray foam
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great$54.08avg listing price — sweet spot $15–$100
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Price range
Good$8.98–$169.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$124K$124K/yr · 42K searches
Review moat
Bad4,612.5avg incumbent reviews — the moat a new listing must climb
Growth
Bad-4.5%90-day search growth — must beat 0% to launch
Competition
Bad74%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, sound deadening spray foam is a $124K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
sound deadening spray foam market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $81K–$108K
- units × avg price
- Conversion rate
- 5.4%
- Avg BSR
- #213
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 29%
- Out of stock
- 0.9%
- Avg brand age
- 56 months
- Avg seller age
- 197 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
75
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
0%
- Design Engineering86%
- KILMAT7%
- Rust-Oleum5%
- Magic Chems2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top sound deadening spray foam search terms
- boom mat17K/yr
- sound deadening spray11K/yr
- boom mat sound deadening6K/yr
- sound deadening foam spray3K/yr
- boom mat spray3K/yr
- sound deadening spray foam2K/yr
Top sound deadening spray 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Design Engineering 50220 Boom Mat Deadening Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft
Design Engineering$19.534.4★1,072 rev
Design Engineering Boom Mat Sound Deadening Material with Adhesive Backing | 2mm 12.5 x 24 (Pack of 10)
Design Engineering$117.344.6★298 rev
Design Engineering Inc. Boom Mat Liquid Deadening Brush On | Thermal Acoustic Control | 1 Liter - up to 20 sq ft coverage
Design Engineering$29.714.6★13 rev
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration 18 Ounce (4 Pack)
Design Engineering$64.954.4★1,072 rev
Rust-Oleum 248656 Professional Grade Rubberized Undercoating Spray 15 oz Black
Rust-Oleum$8.984.6★7,524 rev
Newest
by launch date
Magic Chems Spray Foam Insulation Can (1 Pack-25.4 oz) Expanding Foam Sealant for Thermal & Acoustic Insulation Closed Cell High Density Spray Foams Covers up to 20 Board feet/sq. ft.
Magic Chems$15.44611 rev
Design Engineering Inc. Boom Mat Liquid Deadening Brush On | Thermal Acoustic Control | 1 Liter - up to 20 sq ft coverage
Design Engineering$29.7113 rev
DEI ATAC Thermal Acoustic Coating Ceramic Heat Sound Barrier Spray 15 oz
Design Engineering$28.4125 rev
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration 18 Ounce (4 Pack)
Design Engineering$64.951,072 rev
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration 18 Ounce (3 Pack)
Design Engineering$44.58530 rev
Trending
90-day click momentum
Design Engineering Boom Mat Sound Deadening Material with Adhesive Backing | 2mm 12 x 12.5 (Pack of 8)
Design Engineering$56.274.6★
Design Engineering 050220 Boom Mat Spray-on Sound Deadening to Reduce Unwanted Road Noise and Vibration 18 Ounce (4 Pack)
Design Engineering$64.954.4★
Design Engineering Boom Mat Sound Deadening Material with Adhesive Backing | 12 x 12.5 x 2mm (Pack of 4)
Design Engineering$37.974.6★
Magic Chems Spray Foam Insulation Can (1 Pack-25.4 oz) Expanding Foam Sealant for Thermal & Acoustic Insulation Closed Cell High Density Spray Foams Covers up to 20 Board feet/sq. ft.
Magic Chems$15.444.0★
Rust-Oleum 248656 Professional Grade Rubberized Undercoating Spray 15 oz Black
Rust-Oleum$8.984.6★
What buyers say about sound deadening spray foam
What buyers praise and complain about, mined from review topics.What buyers love
“Affordable quality product”
“Easy installation”
“Easy to use”
“They sound so much better”
“As described”
“A Must Have For Car Restorations”
“Worth it”
“Really helps with sound”
“Very good- excellent adhesive”
“Handy heat barrier”
What buyers complain about
“it was very noisy inside was terrible”
“At $31 a can this stuff sprays terrible”
“stick just can't get”
“Its definitely thicker than I expected”
“however for some reason it has a very awful smell”
“Sound deaf”
“red accessory nozzles do not connect securely”
“A little more expensive”
“This stuff is overrated”
“It didnt jsut meet the description”
Top return reasons
Common questions
- Is sound deadening spray foam profitable to sell on Amazon United States?
- The niche generates $124K/yr across 14 tracked products. 90-day search growth is -4.5%. Flapen's verdict: Skip it (39/100).
- How competitive is the sound deadening spray foam niche?
- 4 brands and 75 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in sound deadening spray foam?
- Top complaints mined from reviews: Noise Level, Spray/Flow, Adhesion/Stickiness. The return rate is 1.1%.
- When does demand for sound deadening spray foam peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the sound deadening spray foam niche?
- Listings span $8.98–$169.59; the average listing price is $54.08 (sweet spot $15–$100). The average incumbent carries 4,613 reviews — the moat a new listing must climb.