---
title: "Gray Silicone Caulk — $258K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/gray-silicone-caulk"
last_updated: "2026-08-11T10:16:30.657Z"
locale: en
meta:
description: "Niche score 45/100 · $258K/yr market · 52K searches/yr · $24.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $258K/yr market · 52K searches/yr · $24.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Gray Silicone Caulk — $258K/yr Amazon US Niche (2026) - Flapen"
---
# **gray silicone caulk**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 48Growth 38Conversion 100Competition 3Returns 97Price range 84Avg price 95Brand share 0Review moat 23Quality gap 20
**Conversion**
**Incredible****20.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$24.71**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.07–$74.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$258K**
$258K/yr · 52K searches
**Growth**
**Okay****+10.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****6,972.83**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, gray silicone caulk is a $258K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr. Verdict: Skip it — 45/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gray silicone caulk market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$247K–$309K**
- units × avg price
- **Conversion rate**
- **20.1%**
- **Avg BSR**
- **#6**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **60 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **▼falling
**Sellers**
**96**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- Permatex100% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 85 weeks — +10.1% search growth over the last 90 days.
2K1KSpike '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Apr · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/automotive/gray-silicone-caulk/trend)
## **Top gray silicone caulk search terms**
- **permatex ultra grey**27K/yr+18.8%15.9% conv. - **grey silicone**8K/yr+10.1%4.2% conv. - **ultra grey gasket maker**7K/yr+1.6%16.4% conv. - **grey rtv**4K/yr+8.4%16.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/gray-silicone-caulk/search-terms)
## **Top gray silicone caulk 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%15%$39K30%$77K45%$116K60%$155K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 3.0 oz.**Permatex**$7.96**4.8★5,468 rev](https://www.amazon.com/dp/B000HBGI8K) [2**Permatex 82195 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker Sensor Safe and Non-Corrosive for High Torque and Vibration Resistant Applications 13 oz**Permatex**$23.02**4.8★5,468 rev](https://www.amazon.com/dp/B000HBGK7O) [3**Permatex 22074 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 0.5 oz.**Permatex**$6.07**4.8★5,468 rev](https://www.amazon.com/dp/B004WJPMHQ) [4**Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker Sensor Safe and Non-Corrosive for High Flex and Oil Resistant Applications 3 oz**Permatex**$7.18**4.7★19,705 rev](https://www.amazon.com/dp/B0002UEN1U) [5**Permatex 82194-12PK Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 3 Ounce (Pack of 12)**Permatex**$74.06**4.2★260 rev](https://www.amazon.com/dp/B001REZBIE)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Permatex 22074 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 0.5 oz.**Permatex**$6.07**5,468 rev15y ago](https://www.amazon.com/dp/B004WJPMHQ) [**Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 3.0 oz.**Permatex**$7.96**5,468 rev19y ago](https://www.amazon.com/dp/B000HBGI8K) [**Permatex 82195 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker Sensor Safe and Non-Corrosive for High Torque and Vibration Resistant Applications 13 oz**Permatex**$23.02**5,468 rev20y ago](https://www.amazon.com/dp/B000HBGK7O) [**Permatex 85084 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 9.5 oz. PowerBead Can**Permatex**$29.95**5,468 rev22y ago](https://www.amazon.com/dp/B000HBM4K6) [**Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker Sensor Safe and Non-Corrosive for High Flex and Oil Resistant Applications 3 oz**Permatex**$7.18**19,705 rev22y ago](https://www.amazon.com/dp/B0002UEN1U)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Permatex 85084 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 9.5 oz. PowerBead Can**Permatex**$29.95**4.8★**▲ 73%**](https://www.amazon.com/dp/B000HBM4K6) [**Permatex 22074 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 0.5 oz.**Permatex**$6.07**4.8★**▲ 30%**](https://www.amazon.com/dp/B004WJPMHQ) [**Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker Sensor Safe and Non-Corrosive for High Flex and Oil Resistant Applications 3 oz**Permatex**$7.18**4.7★**▲ 25%**](https://www.amazon.com/dp/B0002UEN1U) [**Permatex 82195 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker Sensor Safe and Non-Corrosive for High Torque and Vibration Resistant Applications 13 oz**Permatex**$23.02**4.8★**▲ 24%**](https://www.amazon.com/dp/B000HBGK7O) [**Permatex 82194-12PK Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker 3 Ounce (Pack of 12)**Permatex**$74.06**4.2★**— 3%**](https://www.amazon.com/dp/B001REZBIE)
**~~View all trending →~~**
## **What buyers say about gray silicone caulk**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Best Sealant On The Market”*
**Value For Money**16%
*“Good price”*
**Advertised Vs Actual Product**10%
*“Works as expected”*
**Leak-Proof**9%
*“No leaks from the oil pan anymore”*
**Efficiency**9%
*“oil pan edges works great”*
**Lubrication**5%
*“But Seems Like a Solid Choice for Oil-Sealing Jobs”*
**Ease Of Use**4%
*“Easy to use”*
**Adhesion/Stickiness**3%
*“It bonds great”*
**Material Quality**3%
*“In my opinion this the best silicone for everything”*
**Strength**2%
*“my hands are steadier than his”*
### **What buyers complain about **
**Quality-Overall**18%
*“Junk product”*
**Leak-Proof**14%
*“The outside of my birdfeeder has been leaking water all over the side of the deck”*
**Hard Feel**6%
*“It was hard when I got it”*
**Spray/Flow**6%
*“could not get it to flow”*
**Size-Overall**5%
*“the tube is small”*
**Functionality-Overall**3%
*“I cant really say whether or not the product actually works”*
**Ease Of Use**3%
*“was difficult to work with”*
**Strength**2%
*“The only product that felt a bit stronger was the Right Stuff”*
**Thickness**2%
*“Thick”*
**Durability**2%
*“This product will not hold at all”*
### **Top return reasons **
**Size-Overall**18%
**Compatibility-Overall**13%
**Value For Money**9%
**Advertised Vs Actual Product**9%
**Functionality-Overall**9%
**Color**8%
**Material Quality**6%
**Leak-Proof**5%
**Defective Material/Parts**5%
**Adhesion/Stickiness**4%
## **Common questions**
- **Is gray silicone caulk profitable to sell on Amazon United States?**
- The niche generates $258K/yr across 6 tracked products. 90-day search growth is +10.1%. Flapen's verdict: Skip it (45/100).
- **How competitive is the gray silicone caulk niche?**
- 1 brands and 96 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in gray silicone caulk?**
- Top complaints mined from reviews: Quality-Overall, Leak-Proof, Hard Feel. The return rate is 0.6%.
- **When does demand for gray silicone caulk peak?**
- Demand peaks in Apr; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the gray silicone caulk niche?**
- Listings span $6.07–$74.06; the average listing price is $24.71 (sweet spot $15–$100). The average incumbent carries 6,973 reviews — the moat a new listing must climb.
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