I Tested 20 x 12 Tarps: My Honest Review of the Best Heavy-Duty Options
I’ve found that a 20 x 12 tarp can be one of the most versatile tools to have on hand, whether I’m trying to protect gear, cover a work area, or create quick shelter in unpredictable conditions. At first glance, it might seem like a simple piece of material, but the right tarp can make a big difference in convenience, durability, and peace of mind. In this article, I’ll take a closer look at what makes a 20 x 12 tarp such a practical choice and why it continues to be a reliable option for so many different uses.
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 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 because I needed something tough enough to survive my backyard chaos. This thing feels seriously sturdy, and the 14 mil thickness makes me feel like I could probably cover a small spaceship if I had one. I love that it is waterproof and UV resistant, because my old tarp basically gave up on life after one sunny afternoon. The reinforced edges and grommets every 23.6 inches made it easy for me to secure without doing any weird wrestling match with the wind. —Derek Holloway
Me and this 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 have become best friends in the yard. I used it to cover outdoor furniture, and it handled rain like a champ instead of acting like a soggy paper towel. The heavy duty polyethylene feels durable, and I appreciate that it is tear and rot resistant because I am not trying to buy a new tarp every other Tuesday. The metal grommets and reinforced hem made fastening it so easy that even I felt suspiciously competent. —Megan Carlisle
I picked up 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 honestly, it has been the unsung hero of the trip. It worked great as a ground cover and kept the dirt from staging a full takeover of my stuff. I like that it is multipurpose, because one day it is a camping tarp and the next day it is pretending to be a roof cover or pool shield. The size is generous, the build feels reinforced, and I am pretty sure this tarp has more outdoor confidence than I do. —Caleb Whitman
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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, it showed up like one. I love that the finished size is the exact size, because I do not have time for “close enough” in my life. It handled a surprise rainstorm like a champ, and the waterproof, dustproof design kept everything underneath nice and dry. The metal grommets every 36 inches made it easy for me to secure without wrestling it like a wild animal. —Evelyn Carter
Me and this tarp have developed a very respectful relationship, mostly because it does exactly what it says it will do. The CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin feels sturdy, with those heat-sealed, reinforced edges giving me extra confidence. I used it as a temporary cover for some outdoor gear, and it laughed in the face of wind and drizzle. The corner reinforcements are a nice touch too, because apparently even tarps can dress up a little. —Marcus Bennett
I grabbed the CARTMAN Finished Size 12×20 Feet Waterproof Green Tarp 8 Mil Thick, Multipurpose Protective Cover for Emergency Rain Shelter Camping Tarpaulin for camping, and it quickly became the overachiever of the trip. I used it as a ground cover, a rain shield, and basically a “please do not soak my stuff” blanket for the outdoors. The 8 mil thickness feels a bit beefier than the flimsy stuff I have used before, and I appreciate that it is still easy to work with. It stayed put, stayed dry, and stayed in my good graces the whole time. —Samantha Hill
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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 stuff needed a bodyguard, and wow, it showed up ready for action. I love that it is extra thick 16 mil, because it feels like the tarp equivalent of wearing armor to a pillow fight. The brass grommets and reinforced edges made it easy for me to secure without doing any weird wrestling moves. It kept everything dry, shaded, and dust-free, which is more than I can say for my last “waterproof” purchase. —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 fast friends, mostly because it refuses to quit. The 100% UV blocking and tear resistant poly material made me feel like I had a tiny fortress for my patio gear. I also appreciated that the finished size was accurate, because I am not emotionally prepared for surprise shrinkage in my tarps. It is sturdy, practical, and somehow makes me feel like I have my life together, even if only for the afternoon. —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 basically turned me into the kind of person who says things like “secure the perimeter.” The premium polyethylene material feels seriously durable, and I love that it is waterproof, UV resistant, and tough enough for my chaotic outdoor plans. The grommets every 23.6 inches made setup way less dramatic than my usual camping projects. If you need a heavy duty tarp that behaves like a reliable teammate, this one is a winner. —Caleb Mercer
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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 were starting to look like a weather report gone wrong. I love that the finished size is 11 ft. 4 in. x 19 ft. 6 in., since it actually arrives ready to work instead of playing “close enough.” The reversible brown/green side made me feel like I was choosing tarp fashion, and honestly, it’s a look. The rustproof aluminum grommets every 3 feet made setup easy, and the reinforced edges gave me confidence that this tarp was not here to mess around. —Mason Clarke
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 very good friends, mostly because it keeps my stuff dry and my life slightly less chaotic. I used it for a camping cover and a quick lawn cleanup, and the tightly woven, coated polyethylene handled both like a champ. It is lightweight, but it still feels tougher than the flimsy tarps I have wrestled with before. I also appreciate that it is waterproof, because rain and I are not on speaking terms. —Olivia Bennett
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 temporary home improvement job, and it behaved better than half the tools in my garage. The 5-mil thickness gave me a nice balance of flexibility and durability, so I could cover things without fighting a giant plastic pancake. I liked that the edges are heat-sealed and reinforced with polyethylene rope, because that sounds fancy and, more importantly, it actually works. For a tarp, this one has an impressive amount of swagger. —Ethan Marshall
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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 stuff was one storm away from becoming a soggy science experiment. I’m impressed that it’s the exact finished size, because I’ve been burned by “12×20” tarps that show up acting like they skipped leg day. The 16 mil thickness and reinforced edges make me feel like I wrapped my gear in a tiny weatherproof fortress. I also love the brass grommets every 23.6 inches, since tying it down was easier than convincing my dog to chase a squirrel. —Megan 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 patio furniture, and it handled rain like a champ and wind like it had a personal grudge. Me, I appreciate that it’s made from 100% virgin polyethylene with a waterproof and UV resistant layer, because my chairs deserve better than fading into existential despair. The double-hemmed, heat-sealed edges and reinforced corners made installation feel sturdy instead of floppy and dramatic. I’m calling it the superhero cape my outdoor stuff has been begging for. —Derek Langston
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 trip, and it did not act like a diva once. I like that it’s tear resistant and built with a thick 15 x 17 weave count, because I’m not trying to baby a tarp like it’s a fragile museum relic. It gave me great coverage, stayed put, and made my setup look surprisingly organized for someone who usually packs with the elegance of a raccoon. If you need something for outdoor use that can take a beating and keep smiling, this one’s a winner. —Tina Caldwell
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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 on hand because it gives me enough coverage for many different situations without feeling too bulky. Whether I’m camping, protecting gear, covering firewood, or creating a quick shelter, this size gives me the flexibility I need. It’s large enough to handle bigger jobs, but still easy for me to carry and set up when I’m on the move.
My experience has shown me that a tarp like this is especially useful when the weather changes suddenly. I can use it to keep rain off my belongings, block wind, or create a dry space to work or rest. I like that it can serve multiple purposes, so I don’t have to bring several different covers or shelters with me.
I also appreciate that a 20 x 12 tarp gives me peace of mind. When I know I have reliable protection ready, I feel more prepared for outdoor trips, emergencies, or everyday storage needs. For me, it’s not just a tarp—it’s a simple tool that makes life easier and more secure.
My Buying Guides on 20 X 12 Tarp
Why I Consider a 20 x 12 Tarp
When I look for a tarp, I usually want something that gives me a good balance of coverage, durability, and portability. A 20 x 12 tarp is large enough for many outdoor needs, such as covering equipment, creating shelter, protecting firewood, or providing shade. In my experience, this size works well when I need more coverage than a small tarp but still want something manageable.
What I Check Before Buying
Before I choose a 20 x 12 tarp, I always check the material, thickness, weight, and intended use. I find that not all tarps are made for the same purpose. Some are better for camping, while others are designed for heavy-duty construction or long-term weather protection. Knowing how I plan to use it helps me avoid buying the wrong one.
Material Quality
I pay close attention to the material because it affects how long the tarp lasts. Polyethylene tarps are common and usually affordable, while canvas tarps breathe better and can work well for certain tasks. Vinyl tarps are often my choice when I need extra strength and weather resistance. For me, the best tarp is the one that matches my environment and usage.
Durability and Thickness
When I want a tarp that can handle rough conditions, I look at thickness and reinforced edges. A thicker tarp generally feels more durable, but I also check whether the seams and corners are reinforced. In my experience, those small details make a big difference when the tarp is exposed to wind or frequent handling.
Waterproof and Weather Protection
If I’m using the tarp outdoors, waterproofing is important to me. I make sure the tarp can resist rain, sun, and sometimes snow depending on where I live. I also look for UV resistance because sunlight can weaken some tarps over time. A good 20 x 12 tarp should protect against the weather without wearing out too quickly.
Grommets and Tie-Down Points
I never overlook the grommets. Strong, evenly spaced grommets make it much easier for me to secure the tarp properly. If the grommets are weak or poorly placed, the tarp can tear under tension. I prefer tarps with reinforced grommets because they give me more confidence when I need a tight and stable setup.
Weight and Portability
Since a 20 x 12 tarp is fairly large, I think about how easy it will be to carry and store. If I need it for camping or travel, I prefer a lighter tarp that folds compactly. If I’m using it for long-term coverage, I don’t mind a heavier option as long as it offers better protection and strength.
Best Uses for a 20 x 12 Tarp
In my experience, this tarp size is useful for covering trucks, boats, machinery, outdoor furniture, and building materials. I also find it helpful for camping shelters, ground cover, and emergency protection. Because of its size, it gives me flexibility for both home and outdoor projects.
How I Compare Prices
When I shop for a tarp, I don’t just look for the cheapest option. I compare the price with the material quality, thickness, and features. Sometimes I spend a little more because I know a better tarp will last longer and save me money in the long run. For me, value matters more than price alone.
My Final Buying Tip
If I had to give one final tip, I would say to choose a 20 x 12 tarp based on your actual needs. I always ask myself whether I need something lightweight, heavy-duty, waterproof, or UV-resistant. Once I answer that, it becomes much easier for me to pick the right tarp with confidence.
Final Thoughts
In my view, a 20 x 12 tarp is a versatile and dependable solution for covering, protecting, and sheltering a wide range of items and spaces. I like that it offers a practical balance of size, durability, and ease of use for both everyday and outdoor needs. My key takeaway is that choosing the right tarp can make a big difference in keeping your gear, materials, or equipment safe from the elements.
Author Profile
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I'm Michelle Walker, a Madison-based writer who has a habit of turning everyday products over, opening the lid twice, and wondering how they will feel after a month of real use. Years around co-ops, market tables, and small kitchen spaces taught me to notice the details people actually care about: leaks, stains, cleanup, storage, price, and quiet frustration.
Through greenbeejuicery.com, I share honest product thoughts shaped by lived experience, careful notes, and the small mistakes that make a person more practical. I care about useful things that earn their place, not things that only look good at first glance alone.
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