If you love plants and have wanted your own greenhouse, do it. It's not a pipe dream. With a 24' x 40' heavy-duty premium clear poly tarp from Tarp Surplus, you can make it happen. These multipurpose tarps are ideal for greenhouses, patio covers and more. They protect from the elements all while still allowing complete visibility. This long-lasting 14 mil polyethylene offers artic flexibility and features a 14 x 14 mesh count, heat-sealed seams and reinforced plastic corners. All of our heavy-duty tarps are water and rot proof as well as tear-resistant. They even protect plants, patio furniture and of course you from the damaging rays from the sun. Grommets are strategically positioned every 36" to make installation a breeze. If you need the clear poly tarp to fit a certain space, please make sure to measure. Finished tarps are slightly smaller. The 24' x 40' clear poly tarp has a finished size of 23'6" x 39'6".