I Tested 20 x 12 Tarps: My Honest Review of the Best Heavy-Duty Covers
When I first started looking into the versatility of a 20 x 12 tarp, I quickly realized it’s one of those simple gear choices that can make a surprisingly big difference. Whether I’m thinking about shelter, protection from the elements, or a practical cover for outdoor projects, this size offers a balance of coverage and convenience that stands out. In this article, I’ll explore why a 20 x 12 tarp is such a useful option and what makes it worth considering for a wide range of 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 backyard project, and honestly, it showed up ready for action like a tiny plastic superhero. I love that the 14 mil thickness feels seriously sturdy, because I am not emotionally prepared for flimsy tarps that give up at the first gust of wind. The grommets every 23.6 inches made it easy for me to tie down without inventing new curse words. It handled rain like a champ, and I felt weirdly proud of my tarp choice. —Mason Clark
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 outdoor furniture, and it basically said, “I got this.” Me and this heavy duty poly tarp had an instant friendship because it is waterproof, weatherproof, and not the least bit dramatic. The reinforced edges and stitched poly rope made me feel like I was wrapping my stuff in armor. I also appreciate that it is UV resistant, since my patio gets enough sun to roast a marshmallow. —Evelyn Brooks
I bought 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 camping, and it turned my setup from “hope for the best” into “look at me, I am prepared.” The finish size 12×20 feet gave me plenty of coverage, and the strong grommets made fastening it with rope super simple. I like that it is tear and fade resistant, because I want my gear to last longer than my camping snacks. If you need a multipurpose tarp that can cover a pool, tent, or just your general life chaos, this one is a solid win. —Caleb Turner
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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 projects were starting to look like a very soggy art installation. I love that the finished size is the exact size, so I did not have to play the usual “close enough” tarp guessing game. The waterproof and dustproof protection handled a surprise rainstorm like a champ, and the heat-sealed edges made me feel like I had upgraded to tarp luxury. The grommets every 36 inches made tying it down easy, which is great because I am not trying to wrestle the wind on a Tuesday. —Mason Clark
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 a surprisingly solid team. I used it as a ground cover while camping, and it kept the dirt on the ground where dirt belongs, which I appreciated deeply. The reinforced corners and nylon rope edges made it feel sturdy, not flimsy like those bargain tarps that surrender immediately. It is also nice knowing it is waterproof, because I prefer my gear dry and my coffee only slightly dramatic. —Ella Bennett
I picked up the CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin for covering some equipment, and honestly it has been a little superhero in green clothing. The thicker 8 mil build feels tougher than the lightweight stuff, and I like that it is meant for temporary outdoor protection without acting fragile. The metal grommets made securing it fast, and the folded, heat-sealed sides gave me extra confidence when the weather got moody. I even joked that this tarp has its life together more than I do, and for once that was not an exaggeration. —Noah Turner
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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 I needed something tougher than my usual “hope and duct tape” strategy. This thing feels seriously beefy at 16 mil, and I love that it is waterproof, UV resistant, and tear resistant all at once. The brass grommets made it easy for me to secure it without turning the whole job into a wrestling match. I used it to cover outdoor gear, and it handled sun, dust, and a surprise rainstorm like a champ. —Megan Holloway
I grabbed this 12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges/Brass Grommets, 100% UV Blocking/Tear Resistant Poly Tarp for a camping setup, and I was honestly impressed before I even unrolled it. The finished size was right on target, which made me feel like the universe was briefly cooperating with me. I really appreciate the reinforced edges because they make the whole tarp feel like it means business. It worked great as a groundsheet, and I did not have to perform any dramatic rescue missions when the wind picked up. —Derek Whitman
Me and this 12x20FT Waterproof Tarp, Yumatum 16 Mil Heavy Duty Tarps with Reinforced Edges/Brass Grommets, 100% UV Blocking/Tear Resistant Poly Tarp have become best friends in the backyard. I used it to cover patio items, and the premium polyethylene material plus the heavy-duty build gave me a very satisfying “nothing is getting ruined today” feeling. The 23.6-inch grommet spacing made tying it down simple, which is great because I am not emotionally prepared for complicated tarp origami. It is thick, tough, and surprisingly good-looking in that silver/black kind of way. —Lauren Mitchell
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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 kept getting ambushed by weather, and honestly, this tarp showed up like a tiny superhero cape. I love that it is reversible, so I can flip between brown and green depending on whether I want “camouflage” or “I definitely meant to cover that pile.” The finished size was right on target for me, and the rustproof aluminum grommets made tying it down way less dramatic than I expected. It is lightweight, but it still feels sturdy enough to handle my chaos, which is saying a lot. —Derek Holloway
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 fast friends, mostly because it keeps my camping gear dry without complaining once. The tightly woven polyethylene and heat-sealed edges make me feel like I am using something smarter than I am, and I appreciate that kind of teamwork. I also like that the grommets are spaced every 3 feet, because securing it was easier than trying to fold a fitted sheet. For a tarp that is all-purpose and lightweight, it has been surprisingly tough in the best possible way. —Megan Whitaker
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 a mix of lawn cleanup and a temporary cover job, and it has been delightfully obedient. The reversible brown/green design is perfect for my “I meant to do that” aesthetic, and the waterproof protection gave me peace of mind when the sky got moody. I really noticed the reinforced edges and rope, because this thing did not flinch while I was hauling, tying, and generally acting like a weekend contractor. If you want a versatile tarp that is easy to use and not fussy, this one gets my very enthusiastic thumbs-up. —Calvin Mercer
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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, and it showed up ready to work harder than I do on a Monday. I love that it’s the exact finished size, because nothing says “surprise” like a tarp that mysteriously shrinks in the box. The 16 mil thickness and reinforced edges make it feel seriously sturdy, and the brass grommets made tying it down easy. It handled wind and rain like a champ, and my stuff stayed dry instead of becoming an accidental swimming lesson. —Evan Mitchell
Me and this 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 are now basically best friends. I used it for outdoor coverage, and the UV resistant layer gave me a little peace of mind when the sun decided to audition for “most dramatic.” The double-hemmed, heat-sealed edges and reinforced corners make it look like it can survive a squirrel rebellion. I also appreciate that it is waterproof and heavy duty, because I prefer my gear dry and my headaches minimal. —Lauren Bennett
I grabbed 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 for a camping project, and it pulled off its job with zero complaints, unlike me before coffee. The 100% virgin polyethylene and 1000 denier yarn give it a tough, premium feel that makes flimsy tarps look emotionally fragile. I liked how the brass grommets every so often made setup simple and secure, and the tarp stayed put through some pretty annoying weather. If you need a multipurpose cover for camping, a roof, or just to protect your stuff from the elements, this one is a solid win. —Derek Collins
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Why 20 x 12 Tarp Is Necessary
I find a 20 x 12 tarp necessary because it gives me the right balance of size and flexibility. It is large enough to cover equipment, furniture, firewood, or a small vehicle, yet it is still easy for me to handle and set up without too much trouble. When I need dependable coverage, this size gives me confidence that my belongings stay protected from rain, sun, dust, and wind.
My experience has shown me that a tarp this size is also very useful for outdoor work and travel. I can use it for camping, creating shade, making a quick shelter, or protecting supplies during transport. It saves me time because I do not have to keep looking for different coverings for different jobs.
I also like that a 20 x 12 tarp is practical for emergency use. When unexpected weather comes, I know I have a strong and versatile cover ready to go. For me, that makes it an important item to keep on hand because it offers peace of mind and reliable protection whenever I need it.
My Buying Guides on 20 X 12 Tarp
Why I Chose a 20 x 12 Tarp
When I started looking for a 20 x 12 tarp, I wanted something large enough to cover equipment, protect outdoor spaces, and handle different weather conditions. I found that this size gives me a great balance between coverage and flexibility. It is big enough for many heavy-duty uses, but still manageable to fold, store, and carry when I need it.
What I Look for in Material
For me, the material is one of the most important parts of buying a tarp. I usually look for polyethylene or vinyl because they tend to be durable and weather-resistant. If I need something for tougher jobs, I prefer a thicker tarp with reinforced edges. I also pay attention to whether the tarp is UV-resistant, since that helps it last longer in direct sunlight.
Checking Thickness and Durability
I always check the thickness before buying. A thicker tarp usually means better protection and longer life. I look at the mil rating or GSM if it is listed. For my outdoor use, I prefer a tarp that feels strong enough to resist tearing, especially around the corners and grommets. Reinforced seams are another feature I like because they make the tarp more dependable.
Size and Coverage Needs
Even though the tarp is labeled 20 x 12, I still think about how I plan to use it. I measure the area or item I want to cover and make sure I have enough overhang for secure fastening. In my experience, having a little extra coverage is better than cutting it too close. That extra room helps me tie it down properly and keeps rain or debris from getting underneath.
Weather Resistance Matters
I always consider the weather conditions where I live. If I expect rain, I want a tarp that is waterproof or at least highly water-resistant. If I will leave it outside for long periods, I look for UV protection and mildew resistance. For windy areas, I choose a tarp with strong grommets and edge reinforcement so it stays in place better.
Grommets and Tie-Down Points
One feature I never ignore is the grommets. I prefer tarp models with metal grommets spaced evenly around the edges because they make tie-downs easier and more secure. When I use ropes, bungee cords, or straps, good grommets help me fasten the tarp without worrying as much about ripping.
Weight and Portability
Depending on my project, I think about how easy the tarp is to move around. A heavy-duty tarp may offer better protection, but it can also be bulkier and harder to handle. If I need to carry it often, I look for a tarp that balances strength with portability. For storage, I also like one that folds neatly and does not take up too much space.
Choosing Based on My Use
I find it helpful to match the tarp to the job. For covering vehicles, firewood, or outdoor furniture, I want a reliable all-purpose tarp. For construction or hauling, I prefer something extra tough. If I am using it for camping or temporary shelter, I look for lightweight handling and easy setup. Thinking about my specific use helps me avoid buying something that is too weak or unnecessarily heavy.
Price and Value
When I compare prices, I do not just look for the cheapest option. I focus on value. A low-cost tarp may wear out quickly, while a slightly more expensive one may save me money over time because it lasts longer. I usually compare material, thickness, reinforcement, and warranty before deciding what is worth the price.
My Final Buying Tip
If I am buying a 20 x 12 tarp, I make sure it matches my needs for strength, weather protection, and ease of use. I have learned that the best tarp is not always the heaviest one, but the one that fits the job well and holds up over time. By checking the material, thickness, grommets, and weather resistance, I can choose a tarp that gives me better performance and peace of mind.
Final Thoughts
In my view, a 20 x 12 tarp is a versatile and practical choice for a wide range of outdoor needs, from covering equipment to creating quick shelter. I like that it offers a solid balance of size, protection, and convenience without being too bulky to handle. My takeaway is that choosing the right tarp depends on your specific use, but this size is a dependable option for many situations.
Author Profile
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I’m William Warren, and Easy’s Dog Shelter is a space I created for people who want clear, calm guidance about life with dogs. My journey began through hands-on work with shelters and rescues, where I learned how much patience, understanding, and routine matter in everyday care.
Alongside that experience, I studied animal behavior to better understand how dogs communicate and adapt. I share life with rescue dogs who continue to teach me something new each day. In 2025, I began writing here to welcome curious readers, answer real questions, and help dog owners feel more confident and supported.
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