---
title: "Butyl Caulk — $51K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/butyl-caulk"
last_updated: "2026-08-10T10:28:52.479Z"
locale: en
meta:
  description: "Niche score 47/100 · $51K/yr market · 58K searches/yr · $15.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · $51K/yr market · 58K searches/yr · $15.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Butyl Caulk — $51K/yr Amazon US Niche (2026) - Flapen"
---

# **butyl caulk**

**Skip it**

A small market ($51K/yr) — this niche doesn't clear our bar today.

Market size 13Growth 58Conversion 64Competition 16Returns 94Price range 81Avg price 76Brand share 20Review moat 50Quality gap 55

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$5.79–$58.44**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Great****$15.31**

avg listing price — sweet spot $15–$100

**Conversion**

**Good****5.7%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Good****+32.5%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****1,532.91**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****80%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$51K**

$51K/yr · 58K searches

According to Flapen's Amazon United States niche tracking, butyl caulk is a $51K/yr Amazon United States market (58K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 47/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **butyl caulk market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$77K–$92K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#2,435**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**91%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**59 months**</dd>

<dt>**Avg seller age**</dt><dd>**165 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **▼falling

**Sellers**

**47**

**Top-5 brand share**

**92%**

Top 20: 100%

**Top-5 click share**

**80%**

Top 20: 100%

**Open market**

**5%**

- Red Devil58% - Akexermu13% - CRL12% - TAGLLY5% - YOTEBLE3% - OB13% - Open — no brand owns it (2 brands, 5%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +32.5% search growth over the last 90 days.

1K750Spike '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

[**Open Trend **](https://flapen.com/research/us/automotive/butyl-caulk/trend)

## **Top butyl caulk search terms**

- **butyl sealant**26K/yr+34.8%4.5% conv. - **butyl caulk**17K/yr+49.4%5.7% conv. - **butyl rubber sealant**12K/yr+15.3%5.3% conv. - **butyl rubber caulk**4K/yr+1.6%4.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/butyl-caulk/search-terms)

## **Top butyl 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%10%$5K20%$10K30%$15K40%$20K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Red Devil 0697GI RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray](https://m.media-amazon.com/images/I/31pTMn-+9nL.jpg)**Red Devil 0697GI RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray**Red Devil**$8.85**4.6★742 rev](https://www.amazon.com/dp/B004HMIS74) [2![Butyl Sealant Tape Butyl Rubber Sealant Promote Sealing Purpose- autty Tape for Automotive (Car RV Marine) for Installing Car Part Windows Doors and Windshield etc.](https://m.media-amazon.com/images/I/51pPoqb8S7L.jpg)**Butyl Sealant Tape Butyl Rubber Sealant Promote Sealing Purpose- autty Tape for Automotive (Car RV Marine) for Installing Car Part Windows Doors and Windshield etc.**Akexermu**$10.03**4.8★800 rev](https://www.amazon.com/dp/B09KBKB9S2) [3![Red Devil 06970I RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge White](https://m.media-amazon.com/images/I/317K4IbBg7L.jpg)**Red Devil 06970I RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge White**Red Devil**$9.82**4.6★742 rev](https://www.amazon.com/dp/B000LGCEES) [4![C.R. LAURENCE 777BL CRL Black 777 Butyl Rubber Sealant](https://m.media-amazon.com/images/I/21DsrHDwmcL.jpg)**C.R. LAURENCE 777BL CRL Black 777 Butyl Rubber Sealant**CRL**$15.24**4.6★270 rev](https://www.amazon.com/dp/B001TBCQ92) [5![Red Devil 0697GI12 RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray Pack of 12](https://m.media-amazon.com/images/I/41AiUWfTMGL.jpg)**Red Devil 0697GI12 RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray Pack of 12**Red Devil**$58.44**4.6★742 rev](https://www.amazon.com/dp/B07QXVY6J5)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![YOTEBLE Butyl Rubber Sealant Industrial-Grade Waterproof Caulk for Outdoor](https://m.media-amazon.com/images/I/41YVD7lkw8L.jpg)**YOTEBLE Butyl Rubber Sealant Industrial-Grade Waterproof Caulk for Outdoor**YOTEBLE**$10.20**3 rev4mo ago](https://www.amazon.com/dp/B0GS4P38P4) [![OB1 Universal Caulk Sealant & Adhesive Black 10.1oz | Professional Grade Premium All-in-One Advanced Hybrid 3-in1 | Water Resistant Internal & External | Shrink Crack UV & Fade Resistant | 1 Cartridge](https://m.media-amazon.com/images/I/31TNvQ1UuqL.jpg)**OB1 Universal Caulk Sealant & Adhesive Black 10.1oz | Professional Grade Premium All-in-One Advanced Hybrid 3-in1 | Water Resistant Internal & External | Shrink Crack UV & Fade Resistant | 1 Cartridge**OB1**$10.38**160 rev7mo ago](https://www.amazon.com/dp/B0G4SDZ4DL) [![TAGLLY Butyl Sealant Tape 13Ft Butyl Rubber Sealant Headlight Glue Sealant Rope for Automotive (Car RV Marine) for Installing Car Part Windows Doors and Windshield etc.](https://m.media-amazon.com/images/I/512jow+dR2L.jpg)**TAGLLY Butyl Sealant Tape 13Ft Butyl Rubber Sealant Headlight Glue Sealant Rope for Automotive (Car RV Marine) for Installing Car Part Windows Doors and Windshield etc.**TAGLLY**$9.96**407 rev2y ago](https://www.amazon.com/dp/B0D79BCGBK) [![Butyl Sealant Tape Butyl Rubber Sealant Promote Sealing Purpose- autty Tape for Automotive (Car RV Marine) for Installing Car Part Windows Doors and Windshield etc.](https://m.media-amazon.com/images/I/51pPoqb8S7L.jpg)**Butyl Sealant Tape Butyl Rubber Sealant Promote Sealing Purpose- autty Tape for Automotive (Car RV Marine) for Installing Car Part Windows Doors and Windshield etc.**Akexermu**$10.03**800 rev4y ago](https://www.amazon.com/dp/B09KBKB9S2) [![Red Devil 0697GI12 RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray Pack of 12](https://m.media-amazon.com/images/I/41AiUWfTMGL.jpg)**Red Devil 0697GI12 RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray Pack of 12**Red Devil**$58.44**742 rev7y ago](https://www.amazon.com/dp/B07QXVY6J5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![YOTEBLE Butyl Rubber Sealant Industrial-Grade Waterproof Caulk for Outdoor](https://m.media-amazon.com/images/I/41YVD7lkw8L.jpg)**YOTEBLE Butyl Rubber Sealant Industrial-Grade Waterproof Caulk for Outdoor**YOTEBLE**$10.20**2.8★**▲ 234%**](https://www.amazon.com/dp/B0GS4P38P4) [![OB1 Universal Caulk Sealant & Adhesive Black 10.1oz | Professional Grade Premium All-in-One Advanced Hybrid 3-in1 | Water Resistant Internal & External | Shrink Crack UV & Fade Resistant | 1 Cartridge](https://m.media-amazon.com/images/I/31TNvQ1UuqL.jpg)**OB1 Universal Caulk Sealant & Adhesive Black 10.1oz | Professional Grade Premium All-in-One Advanced Hybrid 3-in1 | Water Resistant Internal & External | Shrink Crack UV & Fade Resistant | 1 Cartridge**OB1**$10.38**4.2★**▲ 190%**](https://www.amazon.com/dp/B0G4SDZ4DL) [![Red Devil 0697GI12 RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray Pack of 12](https://m.media-amazon.com/images/I/41AiUWfTMGL.jpg)**Red Devil 0697GI12 RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge Gray Pack of 12**Red Devil**$58.44**4.6★**▲ 14%**](https://www.amazon.com/dp/B07QXVY6J5) [![Red Devil 06970I RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge White](https://m.media-amazon.com/images/I/317K4IbBg7L.jpg)**Red Devil 06970I RD Pro Butyl Rubber Sealant High-Performance Industrial-Grade Sealant for Outdoor & Below-Grade Applications Paintable Excellent Adhesion 10.1 oz Cartridge White**Red Devil**$9.82**4.6★**— 9%**](https://www.amazon.com/dp/B000LGCEES) [![ZXMOTO 13Ft Headlight Sealant Retrofit Refit Butyl Rope Rubber Glue Reseal for Car Headlamps Window Door Windshield (1 Piece)](https://m.media-amazon.com/images/I/51IW9NifhrL.jpg)**ZXMOTO 13Ft Headlight Sealant Retrofit Refit Butyl Rope Rubber Glue Reseal for Car Headlamps Window Door Windshield (1 Piece)**ZXMOTO**$12.96**4.5★**— 7%**](https://www.amazon.com/dp/B077QJTJ2S)

**~~View all trending →~~**

## **What buyers say about butyl caulk**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**20%

*“Best reliable product”*

**Adhesion/Stickiness**13%

*“Sticks very well”*

**Value For Money**10%

*“Definitely worth the money”*

**Efficiency**8%

*“Works well”*

**Ease Of Use**8%

*“Easy to use”*

**Advertised Vs Actual Product**8%

*“Works as expected”*

**Leak-Proof**3%

*“sealed well”*

**Durability**3%

*“Durable if applied properly”*

**Material Quality**3%

*“Very good silicone- just the plastic tube is not good”*

**Strength**3%

*“I suppose it holds fine”*

### **What buyers complain about **

**Ease Of Use**16%

*“hard to squeeze”*

**Adhesion/Stickiness**14%

*“Not very sticky”*

**Quality-Overall**13%

*“Poor quality”*

**Ease Of Cleaning**8%

*“Messy and difficult to apply”*

**Functionality-Overall**5%

*“ultimately did not function properly”*

**Hard Feel**5%

*“hard like a rock”*

**Value For Money**4%

*“Not as expensive as 3M”*

**Durability**4%

*“It appears to be cracked already”*

**Leak-Proof**3%

*“Leakage, difficult to use, and waste of money”*

**Material Quality**2%

*“The material is closer to being a wet asphalt sealant”*

### **Top return reasons **

**Adhesion/Stickiness**21%

**Compatibility-Overall**18%

**Color**8%

**Advertised Vs Actual Product**8%

**Size-Overall**7%

**Functionality-Overall**7%

**Value For Money**7%

**Leak-Proof**3%

**Strength**3%

**Material Quality**2%

## **Common questions**

<dl>

<dt>**Is butyl caulk profitable to sell on Amazon United States?**</dt><dd>The niche generates $51K/yr across 11 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +32.5%. Flapen's verdict: Skip it (47/100).</dd>

<dt>**How competitive is the butyl caulk niche?**</dt><dd>8 brands and 47 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 92% of demand.</dd>

<dt>**What do buyers complain about in butyl caulk?**</dt><dd>Top complaints mined from reviews: Ease Of Use, Adhesion/Stickiness, Quality-Overall. The return rate is 1.1%.</dd>

<dt>**When does demand for butyl caulk peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the butyl caulk niche?**</dt><dd>Listings span $5.79–$58.44; the average listing price is $15.31 (sweet spot $15–$100). The average incumbent carries 1,533 reviews — the moat a new listing must climb.</dd>

</dl>

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