The XPose Safety super heavy-duty camping tarp is made of extra-thick material that can stand up to rugged use and is UV-resistant. It comes in various sizes, so you should be able to find the one ...

However, keep in mind that if you want to purchase a giant heavy-duty all-purpose tarp it's going to cost a bit too — a 28ft 10in by 59ft tarp is $170, but it would cover a good portion of space.