Duct Seal
MaybeReturns run at only 1.1% of orders. But the top 5 brands take 97% of clicks, so Duct Seal is a Maybe.
- Flapen Score
- 52 / 100Top 31% of 9,536 Tools & Home Improvement niches · +4 vs the category median of 4852
- Market size
- $323K/yr192K searches / yr
- 90-day growth
- +55.8%search demand this quarter
- Competition
- 81%top-5 click share · 6 brands · 41 sellers
Flapen Score
Duct Seal against its category
The dotted line is the Tools & Home Improvement average. Past it, Duct Seal is stronger. Inside it, weaker.
Market
The Duct Seal market on Amazon at a glance
Shoppers on Amazon United States searched for Duct Seal 192K times last year and spent an estimated $323K. The top 5 brands take 97% of clicks. Demand peaks in Jun–Jul. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
11.2% of searches ended in a purchase last week.
Shoppers searched for this 192K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 11.2% of those searches ended in a purchase. Searches in the last 90 days moved +55.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $323K a year.
- Searches, last 12 months
- 192K
- Growth, 90 days vs prior 90
- +55.8%
- Conversion, latest week
- 11.2%
- Market size, estimated
- $323Ka year
- Peak month
- July2.0× the quietest month
- Top search term
- duct seal45K searches a year
02 · Price
A sale here is worth $15.00.
Listings sell for $15.00 on average, from $4.55 to $28.78. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 3,000 to 4,000 of them. At $15.00 that is $45K to $60K a year per listing.
- Average price
- $15.00inside the $15 to $100 sweet spot
- Price range
- $4.55–$28.78
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 25K–30K
- Units per listing a year
- 3,000–4,000
- Revenue per listing a year
- $45K–$60K
- Returns
- 1.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
82% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #70 within Adhesives & Sealers. It carries 1,086 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #70in Adhesives & Sealers
- Average rating
- 4.63 starsAmazon United States average 4.42 stars
- Average reviews
- 1,086per listing
- Listings tracked
- 11
04 · Newcomers
Amazon counts 0 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top Duct Seal products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
RectorSeal Duct Seal 81880 Compound Easily Applied to Plumbing & Metal Fabrication Paintable General Purpose Sealant 1 lb
- Price
- $5.00
- Rating
- 4.7/5
- Reviews
- 1,842
- Age
- 14y ago

Red Devil 0841DX F-Seal 181 Duct Seal Fiber Reinforced Water Based Duct Sealant 1 Gallon Gray Made in USA
- Price
- $24.83
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 10y ago

Red Devil 0841DW F-Seal 181 Fiber Reinforced Water Based Duct Sealant 1 Gallon White
- Price
- $28.78
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 8y ago

Gardner Bender DS-110N 1-Pound Duct Seal Compound
- Price
- $4.55
- Rating
- 4.6/5
- Reviews
- 406
- Age
- 20y ago

Red Devil 0841DS RD-DS 181 Acrylic Latex Duct Sealant 1/2 Gallon Gray
- Price
- $26.12
- Rating
- 4.6/5
- Reviews
- 622
- Age
- 11y ago
Trending
90-day click momentum
GOODJDNX Duct Seal Putty 12 Pack Moldable Gap Filler for Wall & Pipe Gaps Non-Hardening Blocks Drafts for HVAC Openings & Electrical Entry Holes Seal Compound 30g Each
- Price
- $18.93
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 3mo ago

Red Devil 0841DW F-Seal 181 Fiber Reinforced Water Based Duct Sealant 1 Gallon White
- Price
- $28.78
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 8y ago

Red Devil 0846DX F Seal 181 Fiber Reinforced Water Based Duct Sealant 10.1 oz. Gray 1 Pack
- Price
- $7.82
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 10y ago

Red Devil 0841DS RD-DS 181 Acrylic Latex Duct Sealant 1/2 Gallon Gray
- Price
- $26.12
- Rating
- 4.6/5
- Reviews
- 622
- Age
- 11y ago

Gardner Bender DS-110N 1-Pound Duct Seal Compound
- Price
- $4.55
- Rating
- 4.6/5
- Reviews
- 406
- Age
- 20y ago
Newest
by launch date
GOODJDNX Duct Seal Putty 12 Pack Moldable Gap Filler for Wall & Pipe Gaps Non-Hardening Blocks Drafts for HVAC Openings & Electrical Entry Holes Seal Compound 30g Each
- Price
- $18.93
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 3mo ago

900 Moldable Silicone Putty - Gray Rectangular Shape
- Price
- $13.63
- Rating
- 4.4/5
- Reviews
- 1,732
- Age
- 7y ago

Red Devil 0841DW F-Seal 181 Fiber Reinforced Water Based Duct Sealant 1 Gallon White
- Price
- $28.78
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 8y ago

Red Devil 0841DX F-Seal 181 Duct Seal Fiber Reinforced Water Based Duct Sealant 1 Gallon Gray Made in USA
- Price
- $24.83
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 10y ago

Red Devil 0846DX F Seal 181 Fiber Reinforced Water Based Duct Sealant 10.1 oz. Gray 1 Pack
- Price
- $7.82
- Rating
- 4.5/5
- Reviews
- 1,547
- Age
- 10y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 81% of clicks. A locked shelf that new listings rarely crack.
Brands
6 flat
Sellers
41
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
0%
- Rectorseal52%
- Red Devil29%
- Gardner Bender9%
- Ideal Industries4%
- E/FUSING3%
- GOODJDNX3%
- Open — no brand owns it (0%)
Demand
Duct Seal search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jun, Jul · busiest ÷ quietest = 2.0×
Search terms
Top Duct Seal search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- duct seal45K/yr
- duct seal putty32K/yr
- duct sealant19K/yr
- mastic duct sealant11K/yr
- duct mastic8K/yr
- electrical putty10K/yr
- duct seal compound7K/yr
- hvac sealant6K/yr
- duct putty5K/yr
- hvac putty5K/yr
Reviews and returns
What reviews say buyers love and hate about Duct Seal
We read the reviews and the return reasons for every product selling here.
“The lid was not closed properly and the contents leaked and dried out”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Duct Seal questions
Answered from the same tracked data.









