tarps heavy duty waterproof 20x40
Worth a lookShows a sweet-spot price point ($81.99 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$81.99avg listing price — sweet spot $15–$100
Competition
Great38%top-5 click share — an open shelf
Brand share
Great58%top-5 brand share — no brand owns this niche
Growth
Good+48.0%90-day search growth — must beat 0% to launch
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Market size
Okay$260K$260K/yr · 64K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$27.43–$188.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.8%return rate — above 5% kills the launch gate
Review moat
Okay3,596.62avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, tarps heavy duty waterproof 20x40 is a $260K/yr Amazon United States market (64K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 59/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
tarps heavy duty waterproof 20x40 market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $246K–$328K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #87
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 88%
- Out of stock
- 10.7%
- Avg brand age
- 53 months
- Avg seller age
- 202 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
23 rising
Sellers
44
Top-5 brand share
58%
Top 20: 98%
Top-5 click share
38%
Top 20: 79%
Open market
35%
- GUARD SHIELD17%
- MVPNET12%
- TA*RP YXCN11%
- Kotap10%
- SpacEver8%
- CAMPMAC8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +48.0% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 4.0×
Top tarps heavy duty waterproof 20x40 search terms
- 20x40 tarp28K/yr
- 20 x 40 tarp9K/yr
- tarp 20x406K/yr
- tarps heavy duty waterproof 20x404K/yr
- 20x40 tarps heavy duty waterproof6K/yr
- 20 x 40 heavy duty tarp3K/yr
- 20x40 heavy duty tarp4K/yr
- 40x20 tarp3K/yr
Top tarps heavy duty waterproof 20x40 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Tarp 20x40 ft 100% Waterproof Uv Resistant High Durability Multipurpose 5mil Blue Tarp for Covering Courtyards Cars Camping Gardens Pet Nests -by MVPNET
MVPNET$48.424.3★1,148 rev
Kotap TRA-2040 Waterproof All-Purpose Multi-Use Protection/Coverage 5-mil Poly Tarp Cut Size: 20 x 40/Finished Size: 19 4 X 39 4 Blue
Kotap$54.954.2★17,628 rev
Tarps Heavy Duty Waterproof 20x40-12 mil Thick Camping Tent - Blue Tarp 20x40 UV Resistant Rip & Tear Proof with Metal Grommets Multipurpose Use for Camping Tent Boat RV Car & Pool Cover
Teal Elite$87.064.3★2,869 rev
Brown Tarp 20x40 Feet 10 Mil Thick Waterproof Poly Tarps Cover UV Resistant Rip & Tear Proof with Metal Grommets Every 20 Inches
TA*RP YXCN$73.274.6★371 rev
20 x 40 Brown Super Ultra Heavy-Duty Tarp 20 Mil Waterproof & UV-Resistant 20x40 - Large Outdoor Tarp Waterproof Cover for Rain Camping Tent UV Protection Reinforced Corners
XTREMECOVERPRO$163.084.3★551 rev
Newest
by launch date
CAMPMAC Tarps Heavy Duty Waterproof 20x40 Ft 10 Mil Thick High Durability Rip UV Resistant and Tear Resistant with Metal Gromets Every 20 Inches (Silver/Brown - Reversible)
CAMPMAC$78.86722 rev
20x40 FT 8 Mil Waterproof Tarp UV Resistant & Rip Tear Resistant Reversible Poly Tarp with Grommets Multipurpose Protective Cover for Carport Large Equipment Storage & Patio Canopy
MERUYOO$63.68159 rev
20 x 40 FT Waterproof Heavy Duty Tarp 10 Mil Thick Outdoor Furniture Covers Plastic Insulated Tarpaulin for Camping Tent Roof Boat Patio Pool Cover Large & Small Multi-Size Tarps Silver/Brown
RhymBar$75.01266 rev
Spacever Tarp Heavy Duty 20x40 FT 12 Mil Thick Large Tarps Water-Proof with Grommets UV& Tear Resistant Plastic Cover for Pool Roof Tent Outdoor Firewood Silver& Brown
SpacEver$82.28681 rev
Tarp 20x40 ft 100% Waterproof Uv Resistant High Durability Multipurpose 5mil Blue Tarp for Covering Courtyards Cars Camping Gardens Pet Nests -by MVPNET
MVPNET$48.421,148 rev
Trending
90-day click momentum
winemana 50% Black Shade Cloth 20 x 48 FT Durable Mesh Tarp with Grommets Garden Sunblock Shade Cloth Shading Antifreezing for Plants Cover Greenhouse Barns Kennel Patio Tomatoes
winemana$58.974.1★
20 x 40 FT Waterproof Heavy Duty Tarp 10 Mil Thick Outdoor Furniture Covers Plastic Insulated Tarpaulin for Camping Tent Roof Boat Patio Pool Cover Large & Small Multi-Size Tarps Silver/Brown
RhymBar$75.014.7★
Watershed Innovations 14 Mil HydraTarp Heavy-Duty Waterproof Reversible Tarp 12 by 40 Feet White/Brown
Watershed Innovations$73.604.3★
Brown Tarp 20x40 Feet 10 Mil Thick Waterproof Poly Tarps Cover UV Resistant Rip & Tear Proof with Metal Grommets Every 20 Inches
TA*RP YXCN$73.274.6★
TA*RP YXCN Black Tarp 20x40 Feet 10 Mil Thick Waterproof Poly Tarps Cover UV Resistant Rip & Tear Proof with Metal Grommets Every 20 Inches
TA*RP YXCN$70.534.6★
What buyers say about tarps heavy duty waterproof 20x40
What buyers praise and complain about, mined from review topics.What buyers love
“Good deal”
“Truly heavy duty”
“Surprisingly good for the basic generic Amazon brand”
“durable”
“Does the job”
“Good fit”
“sturdy”
“leak proof”
“Durable thickness”
“Easy to use”
What buyers complain about
“Rips Easily”
“Absolute garbage”
“Its very thick”
“Its not cheap”
“Its correct size very heavy”
“It's not strong enough”
“it's no longer working”
“Didnt hold up thru even one rain and wind”
“Too difficult to set up”
“hard to manipulate with only one person in a 20 x 20”
Top return reasons
Common questions
- Is tarps heavy duty waterproof 20x40 profitable to sell on Amazon United States?
- The niche generates $260K/yr across 42 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +48.0%. Flapen's verdict: Worth a look (59/100).
- How competitive is the tarps heavy duty waterproof 20x40 niche?
- 23 brands and 44 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 58% of demand.
- What do buyers complain about in tarps heavy duty waterproof 20x40?
- Top complaints mined from reviews: Durability, Quality-Overall, Thickness. The return rate is 3.8%.
- When does demand for tarps heavy duty waterproof 20x40 peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 4.0× the quietest.
- What does it cost to enter the tarps heavy duty waterproof 20x40 niche?
- Listings span $27.43–$188.78; the average listing price is $81.99 (sweet spot $15–$100). The average incumbent carries 3,597 reviews — the moat a new listing must climb.