---
title: "roof tar — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/roof-tar"
last_updated: "2026-07-13T22:10:44.371Z"
locale: en
meta:
  description: "roof tar shows low returns (1.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "roof tar shows low returns (1.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "roof tar — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **roof tar**

**Worth a look**

Shows low returns (1.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 54Growth 66Conversion 38Competition 75Returns 79Price range 23Avg price 79Brand share 51Review moat 71Quality gap 47

**Returns**

**Great****1.8%**

return rate — above 6% kills the launch gate

**Avg price**

**Great****$89.91**

avg listing price — sweet spot $15–$100

**Competition**

**Great****40%**

top-5 click share — an open shelf

**Review moat**

**Good****642.6**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+46.4%**

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

**Market size**

**Good****$372K**

$372K/yr · 137K searches

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.0%**

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

**Price range**

**Bad****$5.66–$380.57**

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

## **Competition**

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

**Brands**

**16 **▼falling

**Sellers**

**120**

**Top-5 brand share**

**74%**

**Open market**

**20%**

- Henry36% - Gardner-Gibson14% - Liquid Rubber11% - Geocel9% - Gardner5% - Liquid Nails5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$11K6%$22K9%$34K12%$45K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 40 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Henry Coating ROOF Silicone WHT .90G HE887HS042](https://m.media-amazon.com/images/I/41W3EXMhWyL.jpg)**Henry Coating ROOF Silicone WHT .90G HE887HS042**Henry**$114.63**4.4★211 rev](https://www.amazon.com/dp/B01LYNWNXY) [2![Geocel 4500 Roof Bonding Sealant 10 fl oz Black](https://m.media-amazon.com/images/I/31CYIj0UlfL.jpg)**Geocel 4500 Roof Bonding Sealant 10 fl oz Black**Geocel**$10.95**4.7★615 rev](https://www.amazon.com/dp/B002ELU1HU) [3![Henry HE208030 Roof Cement](https://m.media-amazon.com/images/I/519ZabV6z7L.jpg)**Henry HE208030 Roof Cement**Henry**$17.72**4.2★439 rev](https://www.amazon.com/dp/B000LNUOVG) [4![Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Gallon](https://m.media-amazon.com/images/I/41GdjNy5uQL.jpg)**Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Gallon**Liquid Rubber**$68.99**4.4★4,120 rev](https://www.amazon.com/dp/B00NI150Z8) [5![Liquid Nails Roof Repair (RR808) 10.3 oz](https://m.media-amazon.com/images/I/31rzZAadETL.jpg)**Liquid Nails Roof Repair (RR808) 10.3 oz**Liquid Nails**$5.66**4.5★514 rev](https://www.amazon.com/dp/B00176M3S8)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Henry 887G Tropi-Cool Gray HE887G018 100% Silicone Reflective Roof Coating 4.75 gal.](https://m.media-amazon.com/images/I/41yeJgX9oeL.jpg)**Henry 887G Tropi-Cool Gray HE887G018 100% Silicone Reflective Roof Coating 4.75 gal.**Henry**$324.30**9 rev1y ago](https://www.amazon.com/dp/B08F8S63MP) [![RV Roof Sealant RV Roof Coating RV Roof Sealant White 1 Gallon Waterproof Solar Reflective & Leak Repair for Trailers Campers Motorhomes](https://m.media-amazon.com/images/I/61Q1xbnjysL.jpg)**RV Roof Sealant RV Roof Coating RV Roof Sealant White 1 Gallon Waterproof Solar Reflective & Leak Repair for Trailers Campers Motorhomes**SENVEN**$46.81**99 rev1y ago](https://www.amazon.com/dp/B0F9BD9DW9) [![Roof Sealant - Waterproof Sealant for Roof Shingles Gutters RV Roofs & Asphalt - Black Bitumen Cartridge (10.5 fl oz / 310 ml)](https://m.media-amazon.com/images/I/41z4fJCHyAL.jpg)**Roof Sealant - Waterproof Sealant for Roof Shingles Gutters RV Roofs & Asphalt - Black Bitumen Cartridge (10.5 fl oz / 310 ml)**professional soma fix**$16.42**246 rev1y ago](https://www.amazon.com/dp/B0F3WF9PGN) [![Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat Metal Roofs Foundations Gutters Indoor & Outdoor Walls Bathroom Kitchen Garden Leak Liquid Sealant](https://m.media-amazon.com/images/I/416EwjdBL9L.jpg)**Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat Metal Roofs Foundations Gutters Indoor & Outdoor Walls Bathroom Kitchen Garden Leak Liquid Sealant**SENVEN**$26.01**77 rev1y ago](https://www.amazon.com/dp/B0DCSXNQNF) [![RV Roof Coating White Wadities Waterproof Solar Reflective Sealant Flexible RV Roof Sealant for Campers Trailers Motorhomes Metal Buildings and Leak Repairs - 1 Gallon](https://m.media-amazon.com/images/I/51wfKTqT2xL.jpg)**RV Roof Coating White Wadities Waterproof Solar Reflective Sealant Flexible RV Roof Sealant for Campers Trailers Motorhomes Metal Buildings and Leak Repairs - 1 Gallon**Wadities**$62.33**417 rev2y ago](https://www.amazon.com/dp/B0D94FYY98)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Henry Elastomastic Roof Patch 10.1 Oz](https://m.media-amazon.com/images/I/21d35whw9nL.jpg)**Henry Elastomastic Roof Patch 10.1 Oz**Henry**$20.29**5.0★**▲ 213%**](https://www.amazon.com/dp/B003ZD5QAS) [![Liquid Rubber Color Roof Sealant- Elastomeric Waterproof Coating for Flat Low-Slope & Metal Roofs Flexible UV-Stable Membrane Medium Brown 1 Gallon](https://m.media-amazon.com/images/I/41heRaeDWVL.jpg)**Liquid Rubber Color Roof Sealant- Elastomeric Waterproof Coating for Flat Low-Slope & Metal Roofs Flexible UV-Stable Membrane Medium Brown 1 Gallon**Liquid Rubber**$71.30**4.5★**▲ 192%**](https://www.amazon.com/dp/B0793BTFCH) [![ALL WTHR ROOF CEMNT3.6QT](https://m.media-amazon.com/images/I/413DxIuI65L.jpg)**ALL WTHR ROOF CEMNT3.6QT**Gardner-Gibson**$25.99**0.0★**▲ 185%**](https://www.amazon.com/dp/B01KBTQUC6) [![RV Roof Sealant RV Roof Coating RV Roof Sealant White 1 Gallon Waterproof Solar Reflective & Leak Repair for Trailers Campers Motorhomes](https://m.media-amazon.com/images/I/61Q1xbnjysL.jpg)**RV Roof Sealant RV Roof Coating RV Roof Sealant White 1 Gallon Waterproof Solar Reflective & Leak Repair for Trailers Campers Motorhomes**SENVEN**$46.81**4.3★**▲ 142%**](https://www.amazon.com/dp/B0F9BD9DW9) [![Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Quart](https://m.media-amazon.com/images/I/41ne1w4A+8L.jpg)**Liquid Rubber Waterproof Sealant DIY Leak Repair Coating for Flat Metal & Low Slope Roofs Foundations Gutters & More Flexible Protective Membrane - Black - 1 Quart**Liquid Rubber**$34.57**4.4★**▲ 137%**](https://www.amazon.com/dp/B00EIU42QQ)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +46.4% search growth over the last 90 days.

4K3KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 2.0×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**16%

*“Excellent product”*

**Ease Of Use**13%

*“Easy to use”*

**Leak-Proof**9%

*“No leaking”*

**Advertised Vs Actual Product**9%

*“As advertised”*

**Value For Money**9%

*“Great value for the money”*

**Water Resistance**5%

*“Great waterproofing”*

**Efficiency**5%

*“White roof sealant that works well”*

**Durability**5%

*“It is very strong and durable”*

**Adhesion/Stickiness**4%

*“It seems to adhere well and looks great”*

**Paint Quality**3%

*“Decent coating”*

### **What buyers complain about **

**Thickness**11%

*“Was expecting it to be thicker”*

**Leak-Proof**11%

*“my RV had a leak”*

**Paint Quality**9%

*“This is not what I spect is more like a bucket of flat paint”*

**Quality-Overall**8%

*“This should never have made it past quality control”*

**Adhesion/Stickiness**8%

*“doesnt adhere well smells awful”*

**Ease Of Use**6%

*“Not super easy to use”*

**Size-Overall**5%

*“This size is not enough to treat your entire RV”*

**Durability**5%

*“It broke down and looks terrible”*

**Value For Money**4%

*“A bit expensive”*

**Smell**3%

*“Gets really chemical smell while storing between layers”*

### **Top return reasons **

**Advertised Vs Actual Product**14%

**Color**13%

**Leak-Proof**12%

**Size-Overall**7%

**Value For Money**7%

**Functionality-Overall**6%

**Paint Quality**4%

**Compatibility-Overall**4%

**Coverage**3%

**Thickness**3%