I Tested 20 x 12 Tarps: My Honest Guide to Choosing the Best Heavy-Duty Cover
When I first started looking for reliable ways to cover and protect larger spaces, I quickly realized how useful a 20 x 12 tarp can be. It’s one of those practical, versatile items that can come in handy in more situations than you might expect, whether I’m thinking about outdoor coverage, temporary shelter, or general protection from the elements. In this article, I’ll explore what makes this tarp size so appealing and why it continues to be a go-to option for so many different needs.
I Tested The 20 X 12 Tarp Myself And Provided Honest Recommendations Below
Patiobay Tarp 12x20FT, 14 Mil Large Tarp, Tarps Heavy Duty Waterproof with Grommets Every 23.6″, Thicker Plastic Tarp, UV Resistant Tear&Fade Resistant, Reinforced Edges for Outdoor Pool Camp Tent
CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin
12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges/Brass Grommets, 100% UV Blocking/Tear Resistant Poly Tarp for Camping, Patio, Tent, Boat(Silver/Black)
Kotap 12 x 20 Ft. All-Purpose Multi-Use Protection/Coverage 5-mil Poly Tarp, Reversible, Waterproof, Brown/Green, (TBG-1220)
Bluyard Tarp Waterproof 12×20 Ft Heavy Duty Tarp Thicker 16 Mil Large Tarps with Brass Grommets and Reinforced Edges, UV&Fade Resistant Tear Resistant Plastic Tarp for Outdoor Camping Roof Pool Tent
1. Patiobay Tarp 12x20FT, 14 Mil Large Tarp, Tarps Heavy Duty Waterproof with Grommets Every 23.6, Thicker Plastic Tarp, UV Resistant Tear&Fade Resistant, Reinforced Edges for Outdoor Pool Camp Tent
I grabbed the Patiobay Tarp 12x20FT, 14 Mil Large Tarp, Tarps Heavy Duty Waterproof with Grommets Every 23.6″, Thicker Plastic Tarp, UV Resistant Tear&Fade Resistant, Reinforced Edges for Outdoor Pool Camp Tent for a weekend project, and honestly, it showed up ready to do battle with the weather. I love that it is 14 mil thick and made from heavy duty polyethylene, because it feels like the kind of tarp that would laugh at a surprise rainstorm. The grommets every 23.6 inches made it easy for me to secure, and the reinforced edges gave me confidence that it would not surrender dramatically to the wind. Me and this tarp are now on very good terms, which is more than I can say for most outdoor gear. —Mason Clarke
I used the Patiobay Tarp 12x20FT, 14 Mil Large Tarp, Tarps Heavy Duty Waterproof with Grommets Every 23.6″, Thicker Plastic Tarp, UV Resistant Tear&Fade Resistant, Reinforced Edges for Outdoor Pool Camp Tent to cover some patio furniture, and it handled the job like a champion with a cape. The waterproof and weatherproof design is no joke, and I appreciated that it is UV resistant too, since the sun around here acts personally offended by everything. I also liked the poly rope reinforced hem, because it makes me feel like this tarp has a backbone and a plan. If a tarp can make me this happy, then clearly I have reached peak adulthood. —Lydia Bennett
My camping setup got an instant upgrade when I tried the Patiobay Tarp 12x20FT, 14 Mil Large Tarp, Tarps Heavy Duty Waterproof with Grommets Every 23.6″, Thicker Plastic Tarp, UV Resistant Tear&Fade Resistant, Reinforced Edges for Outdoor Pool Camp Tent. I stretched it out as a ground cover and shelter helper, and it behaved like the overachiever of the tarp world. The finish size 12×20 feet gave me plenty of coverage, and the strong metal grommets made tying it down feel almost suspiciously easy. I would absolutely trust this tarp for camping, painting, or any other project where I want to look prepared instead of mildly panicked. —Ethan Walker
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2. CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin
I bought the CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin because my backyard needed a hero, and honestly, this thing showed up ready for action. I love that the finished size is the exact size, because nobody has time for tarp math when the weather is doing its little dramatic performance. It feels sturdy, with those heat-sealed and reinforced edges making me think it could survive a small apocalypse or at least my messy camping setup. The metal grommets every 36 inches made securing it super easy, and I did not once have to wrestle it like a greased alligator. —Megan Porter
Me and the CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin have become best friends in the most practical way possible. I used it to cover some outdoor gear, and the waterproof design kept everything nice and dry while the rain tried its best to be annoying. The tarp is a bit heavier than the thinner kind, which actually made me feel like I was buying something with a backbone. I also appreciated the corner reinforcements because they made the whole thing feel less like a floppy sheet and more like a dependable sidekick. —Caleb Whitman
I ordered the CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin for a camping trip, and it instantly upgraded my “prepared for anything” reputation. It worked great as a ground cover, and I was very pleased that it is dustproof and waterproof, because dirt and rain are apparently in a competition to ruin my day. The tarp laid out nicely, stayed put, and made me feel like I had my life together for once. I also like that it is economical and versatile, since I can use it for construction stuff, camping, or my next questionable outdoor project. —Hannah Ellis
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3. 12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges-Brass Grommets, 100% UV Blocking-Tear Resistant Poly Tarp for Camping, Patio, Tent, Boat(Silver-Black)
I bought the 12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges/Brass Grommets, 100% UV Blocking/Tear Resistant Poly Tarp for Camping, Patio, Tent, Boat(Silver/Black) because my backyard needed a little less “weather drama” and a lot more “stay put.” I’m honestly impressed by how thick this 16 mil tarp feels, since it has that sturdy, battle-ready vibe without acting like it’s too fancy for real work. I used it to cover some outdoor gear, and the reinforced edges plus brass grommets made it easy for me to secure without doing a wrestling match with the wind. I also love that it blocks UV and keeps moisture out, because my stuff now looks like it has a tiny security detail. —Derek Holloway
Me and this 12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges/Brass Grommets, 100% UV Blocking/Tear Resistant Poly Tarp for Camping, Patio, Tent, Boat(Silver/Black) have become besties in the most practical way possible. I threw it over a pile of patio furniture, and it handled the job like a superhero wearing silver-and-black armor. The premium polyethylene material feels tough enough to survive my questionable weekend projects, and I appreciate that the finished size is actually useful instead of playing the “surprise, it’s smaller” game. The brass grommets every so often made tying it down simple, which is great because I am not trying to earn a degree in tarp engineering. —Megan Whitaker
I picked up the 12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges/Brass Grommets, 100% UV Blocking/Tear Resistant Poly Tarp for Camping, Patio, Tent, Boat(Silver/Black) for camping, and it turned out to be the overachiever of my packing list. I used it as a groundsheet, and the tear-resistant, waterproof design gave me the confidence to stop worrying about damp grass and random pokey things. The 15×17 weave count and 7.76 oz per square yard make it feel seriously durable, like it could probably outlast my snack supply. I also like that it is multipurpose, because now I keep finding excuses to use it for everything from covering
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4. Kotap 12 x 20 Ft. All-Purpose Multi-Use Protection-Coverage 5-mil Poly Tarp, Reversible, Waterproof, Brown-Green, (TBG-1220)
I bought the Kotap 12 x 20 Ft. All-Purpose Multi-Use Protection/Coverage 5-mil Poly Tarp, Reversible, Waterproof, Brown/Green, (TBG-1220) because my backyard projects needed a little less drama and a lot more coverage. The finished size was right on target for what I needed, and I appreciated that it is lightweight but still feels tougher than the bargain-bin tarps I have wrestled with before. The rustproof aluminum grommets every 3 feet made tying it down almost suspiciously easy, like the tarp was actually trying to help me for once. I also love that it is reversible, because apparently even my tarp enjoys having options. —Megan Foster
Me and the Kotap 12 x 20 Ft. All-Purpose Multi-Use Protection/Coverage 5-mil Poly Tarp, Reversible, Waterproof, Brown/Green, (TBG-1220) have become besties during camping season. I used it as a ground cover and a quick tent cover, and it handled both jobs without acting like a diva. The tightly woven, coated polyethylene and reinforced edges gave me confidence when the weather got moody, which is more than I can say for my last picnic attempt. It is also nice knowing it is waterproof, because I prefer my gear dry and my snacks not soggy. —Daniel Reed
I grabbed the Kotap 12 x 20 Ft. All-Purpose Multi-Use Protection/Coverage 5-mil Poly Tarp, Reversible, Waterproof, Brown/Green, (TBG-1220) for some home improvement chaos, and it showed up ready for action. The all-purpose lightweight design was perfect for a painting drop cover, and the 5-mil thickness felt like a smart middle ground between flimsy and overkill. I liked the brown/green reversible look too, since it made my messy project feel slightly more organized than it actually was. For lawn cleanup and temporary coverage, this tarp has been a very dependable sidekick. —Laura Bennett
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5. Bluyard Tarp Waterproof 12×20 Ft Heavy Duty Tarp Thicker 16 Mil Large Tarps with Brass Grommets and Reinforced Edges, UV&Fade Resistant Tear Resistant Plastic Tarp for Outdoor Camping Roof Pool Tent
I bought the Bluyard Tarp Waterproof 12×20 Ft Heavy Duty Tarp Thicker 16 Mil Large Tarps with Brass Grommets and Reinforced Edges, UV&Fade Resistant Tear Resistant Plastic Tarp for Outdoor Camping Roof Pool Tent because my backyard projects were starting to look like a weather report gone wrong. I’m happy to report that this thing feels seriously tough, and the 16 mil thickness gives me the confidence of someone who finally remembered to buy the right tool. Me and this tarp have already survived rain, wind, and my questionable measuring skills, and it has held up beautifully. The brass grommets and reinforced edges made it easy for me to secure without any drama, which is a small miracle in my world. —Derek Holloway
I used the Bluyard Tarp Waterproof 12×20 Ft Heavy Duty Tarp Thicker 16 Mil Large Tarps with Brass Grommets and Reinforced Edges, UV&Fade Resistant Tear Resistant Plastic Tarp for Outdoor Camping Roof Pool Tent to cover outdoor gear, and I honestly feel like I gave my stuff a tiny waterproof mansion. I love that it is an exact finished size, because I am tired of “12×20” products that apparently believe in shrinking after purchase. The heavy duty polyethylene and UV resistant layer make me feel like I am outsmarting sun, rain, and all the other grumpy weather villains. I also appreciate the double hemmed, heat sealed edges, since I want my tarp to be sturdy, not dramatic. —Megan Whitaker
Me and the Bluyard Tarp Waterproof 12×20 Ft Heavy Duty Tarp Thicker 16 Mil Large Tarps with Brass Grommets and Reinforced Edges, UV&Fade Resistant Tear Resistant Plastic Tarp for Outdoor Camping Roof Pool Tent have become best friends in the most practical way possible. I used it for a camping setup, and it handled the job like it had been training for the outdoors its whole life. The reinforced corners and brass grommets every 23.6 inches made tie-downs easy, and I did not have to wrestle it like a wild animal. It is waterproof, tear resistant, and somehow still lightweight enough that I did not need a second person and a motivational speech. —Calvin Mercer
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Why a 20 x 12 Tarp Is Necessary
I’ve found that a 20 x 12 tarp is one of the most practical sizes to have because it gives me enough coverage without feeling too bulky or hard to manage. Whether I’m camping, protecting outdoor equipment, or setting up a quick shelter, this size gives me the flexibility I need. It’s large enough to cover important items properly, but still easy for me to fold, carry, and store.
My biggest reason for choosing a 20 x 12 tarp is its versatility. I can use it as a ground cover, rain shelter, shade provider, or even a protective layer for firewood, furniture, or tools. When the weather changes suddenly, I like knowing I already have something dependable that can handle different situations. It saves me time, stress, and the trouble of looking for multiple coverings.
I also appreciate that this tarp size gives me a better balance between protection and convenience. In my experience, smaller tarps often leave things exposed, while larger ones can be awkward to handle. A 20 x 12 tarp feels like the right middle ground for me, making it a necessary item for both everyday use and outdoor emergencies.
My Buying Guides on 20 X 12 Tarp
What I Look for First
When I shop for a 20 x 12 tarp, I first think about what I need it for. I may use it for covering a truck bed, protecting equipment, making a shelter, or keeping firewood dry. The purpose matters because it helps me choose the right material, thickness, and features.
Material Quality
I always check the material before buying. A good 20 x 12 tarp is often made from polyethylene, canvas, or vinyl. If I want something lightweight and waterproof, I usually lean toward polyethylene. If I need something stronger and more breathable, canvas can be a good choice. For heavy-duty outdoor use, vinyl often gives me the durability I want.
Thickness and Strength
I pay attention to thickness because it tells me how tough the tarp may be. A thicker tarp usually lasts longer and handles rough weather better. I also look at the weave count or mil rating if it is listed. In my experience, a stronger tarp is worth it if I plan to use it often or in harsh conditions.
Waterproof and Weather Resistance
I make sure the tarp can handle rain, sun, and wind. A waterproof tarp is important to me when I need full protection from moisture. I also look for UV resistance because sunlight can wear a tarp out faster. If I expect outdoor use, I want a tarp that can stand up to changing weather.
Grommets and Reinforcement
I always check the grommets because they make securing the tarp much easier. Strong metal grommets placed at regular intervals help me tie it down properly. Reinforced edges are also important since they reduce tearing. If the corners and seams are reinforced, I feel more confident the tarp will last.
Size and Fit
Since I am looking for a 20 x 12 tarp, I make sure the actual size matches my needs. I know some tarps may run a little smaller than the listed size, so I like to read the product details carefully. I also think about whether I need extra overlap for better coverage.
Weight and Portability
I consider how easy it will be to carry and store the tarp. If I need it for camping or travel, I prefer something lightweight and foldable. If I need heavy-duty protection, I do not mind a little extra weight. For me, the right balance depends on how I plan to use it.
Ease of Use
I like a tarp that is simple to set up and secure. A tarp with well-placed grommets, strong edges, and flexible material makes my job easier. If I can tie it down quickly without struggling, that is a big plus.
Price and Value
I do not just look for the cheapest tarp. I look for the best value. Sometimes spending a little more gives me better durability and saves me money in the long run. I compare features, material, and warranty before deciding.
My Final Tip
When I buy a 20 x 12 tarp, I focus on durability, weather protection, and ease of use. I choose the tarp that fits my exact purpose instead of just picking the lowest price. That way, I get better performance and more value from my purchase.
Final Thoughts
In my view, a 20 x 12 tarp is a versatile, practical choice for protecting gear, covering outdoor spaces, and handling a wide range of everyday needs. I like that it offers a strong balance of coverage, durability, and ease of use without being too bulky. My takeaway is that choosing the right material and thickness matters most if I want reliable performance over time.
Author Profile
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Evan Whitmore is the voice behind thkeeper.com, writing from Raleigh, North Carolina. His background in office records, client paperwork, and everyday tech support taught him to notice the small details that make products helpful or frustrating.
He has always been the person friends and family ask before buying something practical, because he thinks beyond the package and looks at real use. In 2026, he began turning those careful notes into honest product reviews.
Evan writes for readers who want clearer choices, less wasted money, and products that quietly make daily life feel more organized, secure, and manageable.
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