threshold
Worth a lookShows a sweet-spot price point ($33.10 avg), but weak search conversion (1.4%) keeps it on the watch list.
Avg price
Incredible$33.10avg listing price — sweet spot $15–$100
Price range
Great$8.10–$94.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good40%top-5 click share — leaders hold, buyers still browse
Brand share
Good69%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.9%return rate — above 5% kills the launch gate
Market size
Okay$269K$269K/yr · 569K searches
Review moat
Okay2,439.08avg incumbent reviews — the moat a new listing must climb
Growth
Okay+8.1%90-day search growth — must beat 0% to launch
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, threshold is a $269K/yr Amazon United States market (569K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
threshold market data
- Units sold / yr
- 8K–10K
- avg 100–250/product
- Revenue / yr
- $265K–$331K
- units × avg price
- Conversion rate
- 1.4%
- Avg BSR
- #79
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 69%
- Out of stock
- 1.9%
- Avg brand age
- 36 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.Brands
33 rising
Sellers
64
Top-5 brand share
69%
Top 20: 92%
Top-5 click share
40%
Top 20: 76%
Open market
28%
- M-D Building Products39%
- Frost King11%
- Inbar Hardware9%
- Heonay6%
- Blulu5%
- Ormein3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top threshold search terms
- door threshold166K/yr
- threshold for doorways78K/yr
- threshold95K/yr
- exterior door threshold40K/yr
- thresholds30K/yr
- door thresholds for exterior doors34K/yr
- door sill22K/yr
- door threshold replacement9K/yr
- aluminum threshold12K/yr
- front door threshold10K/yr
Top threshold 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
M-D Building Products 68387 Aluminum Commercial Flat-Profile Threshold: Durable and Sleek Entryway Access Solution Draft Protection (5 in. x 1/4 in. x 36 in.) (Silver)
M-D Building Products$23.194.6★2,567 rev
Adjustable Aluminum Threshold Extra Short Width with Hidden Screws Adapts to Any Height Heavy-Duty for Residential & Commercial Use Available in Multiple Sizes (Black 36 inch)
Inbar Hardware$69.484.4★47 rev
M-D Building Products 08102 3-3/4 in. x 3/4 in. x 36 in. Silver Aluminum and Vinyl Heavy-Duty Low-Profile Threshold
M-D Building Products$24.174.4★1,842 rev
M-D Building Products 78634 5-5/8 in. x 1-1/8 in. x 36 in. Bronze Adjustable Aluminum & Hardwood Threshold Kit - Versatile Solution for French and Exterior Doors
M-D Building Products$38.194.1★1,506 rev
M-D Building Products 78600 5-5/8 in. x 1-1/8 in. x 36 in. Silver Adjustable Aluminum & Hardwood Threshold Kit - Versatile Solution for French and Exterior Doors
M-D Building Products$38.234.1★1,506 rev
Newest
by launch date
Sacubee 2 Pcs 36 Inch Vinyl Replacement Insert for Adjustable Height Aluminum Thresholds with Seals 1-5/16 x 3/8 Vinyl Replacement Insert for Front Under Door Weather Stripping Seal Exterior (Gray)
Sacubee$23.6342 rev
Blulu 36 Aluminum Exterior Door Threshold 5 5/8 Swing Threshold Black Heavy Duty Aluminum Door Sill Pan for Weatherproof & Easy Install for Residential/Commercial Use (1 Pcs)
Blulu$75.5825 rev
Frost King TAOC36SP Adjustable Aluminum and Oak Sill Threshold Mill Finish
Frost King$38.879 rev
Frost King TS36SP Heavy-Gauge Aluminum Sill Threshold Mill Finish
Frost King$34.096 rev
Floor Transition Strip Self Adhesive Vinyl Door Threshold for Doorways Carpet Edging Trim Overlap Edge Reducer for Laminate Floor Carpet Tile (Deep Brown Wood Grain 1/5 to 2/5 3.3Ft)
Heonay$14.75404 rev
Trending
90-day click momentumFrost King TS36SP Heavy-Gauge Aluminum Sill Threshold Mill Finish
Frost King$34.094.2★
Frost King TAOC36SP Adjustable Aluminum and Oak Sill Threshold Mill Finish
Frost King$38.874.8★
Ormein Door Draft Stopper Adjustable Weather Stripping Seal for Cold Insulation Bottom/Under Sweep for Exterior & Interior Doors Seal Blocker Noise Black 39 inches
Ormein$8.104.3★
M-D Building Products 78600 5-5/8 in. x 1-1/8 in. x 36 in. Silver Adjustable Aluminum & Hardwood Threshold Kit - Versatile Solution for French and Exterior Doors
M-D Building Products$38.234.1★
M-D Building Products 68395 Aluminum Commercial Flat-Profile Threshold: Durable and Sleek Entryway Access Solution Draft Protection (5 in. x 1/4 in. x 36 in) (Bronze)
M-D Building Products$34.394.6★
What buyers say about threshold
What buyers praise and complain about, mined from review topics.What buyers love
“Ease of installation”
“Excellent Product”
“works well”
“Easy and convenient”
“AS ADVERTISED”
“Adhesive is strong”
“Fit great”
“GOOD VALUE”
“Very durable”
“WORKED GREAT; I cut the longer ends in half because my gap space got a lot smaller due to applying onto a metal screen door”
What buyers complain about
“Bad adhesive”
“not for quality”
“DOESN'T WORK”
“isnt crazy durable”
“It might not fit your door”
“The product is not installable”
“Weaker than it looks”
“Not as described”
“people smells from entering your living space”
“too expensive”
Top return reasons
Common questions
- Is threshold profitable to sell on Amazon United States?
- The niche generates $269K/yr across 51 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +8.1%. Flapen's verdict: Worth a look (54/100).
- How competitive is the threshold niche?
- 33 brands and 64 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in threshold?
- Top complaints mined from reviews: Adhesion/Stickiness, Quality-Overall, Functionality-Overall. The return rate is 2.9%.
- When does demand for threshold peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the threshold niche?
- Listings span $8.10–$94.89; the average listing price is $33.10 (sweet spot $15–$100). The average incumbent carries 2,439 reviews — the moat a new listing must climb.