roof tar
Worth a lookShows low returns (1.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.8%return rate — above 6% kills the launch gate
Avg price
Great$89.91avg listing price — sweet spot $15–$100
Competition
Great40%top-5 click share — an open shelf
Review moat
Good642.6avg 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
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Price range
Bad$5.66–$380.57cheapest 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.
All 40 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Henry Coating ROOF Silicone WHT .90G HE887HS042
Henry$114.634.4★211 rev
Geocel 4500 Roof Bonding Sealant 10 fl oz Black
Geocel$10.954.7★615 rev
Henry HE208030 Roof Cement
Henry$17.724.2★439 rev
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$68.994.4★4,120 rev
Liquid Nails Roof Repair (RR808) 10.3 oz
Liquid Nails$5.664.5★514 rev
Newest
by launch date
Henry 887G Tropi-Cool Gray HE887G018 100% Silicone Reflective Roof Coating 4.75 gal.
Henry$324.309 rev
RV Roof Sealant RV Roof Coating RV Roof Sealant White 1 Gallon Waterproof Solar Reflective & Leak Repair for Trailers Campers Motorhomes
SENVEN$46.8199 rev
Roof Sealant - Waterproof Sealant for Roof Shingles Gutters RV Roofs & Asphalt - Black Bitumen Cartridge (10.5 fl oz / 310 ml)
professional soma fix$16.42246 rev
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$26.0177 rev
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$62.33417 rev
Trending
90-day click momentum
Henry Elastomastic Roof Patch 10.1 Oz
Henry$20.295.0★
Liquid Rubber Color Roof Sealant- Elastomeric Waterproof Coating for Flat Low-Slope & Metal Roofs Flexible UV-Stable Membrane Medium Brown 1 Gallon
Liquid Rubber$71.304.5★
ALL WTHR ROOF CEMNT3.6QT
Gardner-Gibson$25.990.0★
RV Roof Sealant RV Roof Coating RV Roof Sealant White 1 Gallon Waterproof Solar Reflective & Leak Repair for Trailers Campers Motorhomes
SENVEN$46.814.3★
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$34.574.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +46.4% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 2.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to use”
“No leaking”
“As advertised”
“Great value for the money”
“Great waterproofing”
“White roof sealant that works well”
“It is very strong and durable”
“It seems to adhere well and looks great”
“Decent coating”
What buyers complain about
“Was expecting it to be thicker”
“my RV had a leak”
“This is not what I spect is more like a bucket of flat paint”
“This should never have made it past quality control”
“doesnt adhere well smells awful”
“Not super easy to use”
“This size is not enough to treat your entire RV”
“It broke down and looks terrible”
“A bit expensive”
“Gets really chemical smell while storing between layers”