---
title: "Threshold — $269K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/threshold"
last_updated: "2026-08-06T14:18:39.971Z"
locale: en
meta:
description: "Niche score 54/100 · $269K/yr market · 569K searches/yr · $33.10 avg price. Weak search conversion (1.4%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $269K/yr market · 569K searches/yr · $33.10 avg price. Weak search conversion (1.4%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Threshold — $269K/yr Amazon US Niche (2026) - Flapen"
---
# **threshold**
**Worth a look**
Shows a sweet-spot price point ($33.10 avg), but weak search conversion (1.4%) keeps it on the watch list.
Market size 49Growth 35Conversion 18Competition 74Returns 52Price range 89Avg price 95Brand share 59Review moat 41Quality gap 58
**Avg price**
**Incredible****$33.10**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.10–$94.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****40%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$269K**
$269K/yr · 569K searches
**Review moat**
**Okay****2,439.08**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+8.1%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.4%**
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 ~~](https://flapen.com/research/methodology)
## **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.
15K10K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/threshold/trend)
## **Top threshold search terms**
- **door threshold**166K/yr+10.7%1.0% conv. - **threshold for doorways**78K/yr+11.3%0.7% conv. - **threshold**95K/yr-16.3%0.4% conv. - **exterior door threshold**40K/yr+36.1%1.1% conv. - **thresholds**30K/yr+7.0%0.4% conv. - **door thresholds for exterior doors**34K/yr-14.7%1.1% conv. - **door sill**22K/yr-12.4%0.7% conv. - **door threshold replacement**9K/yr+78.1%0.5% conv. - **aluminum threshold**12K/yr+23.5%1.0% conv. - **front door threshold**10K/yr+12.2%1.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/threshold/search-terms)
## **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.
0%3%$8K6%$16K9%$24K12%$32K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$23.19**4.6★2,567 rev](https://www.amazon.com/dp/B000FKDECQ) [2**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**$69.48**4.4★47 rev](https://www.amazon.com/dp/B0F1ZD73G2) [3**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**$24.17**4.4★1,842 rev](https://www.amazon.com/dp/B000COB13E) [4**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**$38.19**4.1★1,506 rev](https://www.amazon.com/dp/B0006VAM5G) [5**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**$38.23**4.1★1,506 rev](https://www.amazon.com/dp/B002YLPOLS)
**~~View all top sellers →~~**
### **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**$23.63**42 rev11mo ago](https://www.amazon.com/dp/B0FL1W9TY2) [**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**$75.58**25 rev1y ago](https://www.amazon.com/dp/B0FDBD1RGB) [**Frost King TAOC36SP Adjustable Aluminum and Oak Sill Threshold Mill Finish**Frost King**$38.87**9 rev1y ago](https://www.amazon.com/dp/B0FDP7W9NB) [**Frost King TS36SP Heavy-Gauge Aluminum Sill Threshold Mill Finish**Frost King**$34.09**6 rev1y ago](https://www.amazon.com/dp/B0FDP624YT) [**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**$14.75**404 rev1y ago](https://www.amazon.com/dp/B0F9TLR86N)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Frost King TS36SP Heavy-Gauge Aluminum Sill Threshold Mill Finish**Frost King**$34.09**4.2★**▲ 156%**](https://www.amazon.com/dp/B0FDP624YT) [**Frost King TAOC36SP Adjustable Aluminum and Oak Sill Threshold Mill Finish**Frost King**$38.87**4.8★**▲ 119%**](https://www.amazon.com/dp/B0FDP7W9NB) [**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**$8.10**4.3★**▲ 99%**](https://www.amazon.com/dp/B0D4HQQS1R) [**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**$38.23**4.1★**▲ 87%**](https://www.amazon.com/dp/B002YLPOLS) [**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**$34.39**4.6★**▲ 84%**](https://www.amazon.com/dp/B002TIPEAM)
**~~View all trending →~~**
## **What buyers say about threshold**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**18%
*“Ease of installation”*
**Quality-Overall**13%
*“Excellent Product”*
**Efficiency**9%
*“works well”*
**Ease Of Use**8%
*“Easy and convenient”*
**Advertised Vs Actual Product**7%
*“AS ADVERTISED”*
**Adhesion/Stickiness**7%
*“Adhesive is strong”*
**Size-Overall**5%
*“Fit great”*
**Value For Money**5%
*“GOOD VALUE”*
**Durability**3%
*“Very durable”*
**Functionality-Overall**2%
*“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 **
**Adhesion/Stickiness**25%
*“Bad adhesive”*
**Quality-Overall**9%
*“not for quality”*
**Functionality-Overall**7%
*“DOESN'T WORK”*
**Durability**6%
*“isnt crazy durable”*
**Size-Overall**5%
*“It might not fit your door”*
**Assembly/Installation**4%
*“The product is not installable”*
**Strength**4%
*“Weaker than it looks”*
**Advertised Vs Actual Product**3%
*“Not as described”*
**Smell**2%
*“people smells from entering your living space”*
**Value For Money**2%
*“too expensive”*
### **Top return reasons **
**Size-Overall**26%
**Color**19%
**Adhesion/Stickiness**13%
**Functionality-Overall**7%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**5%
**Value For Money**4%
**Defective Material/Parts**3%
**Material Quality**3%
**Thickness**2%
## **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.
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