Make the dream of having your own greenhouse a reality with a 40' x 100' heavy-duty premium clear poly tarp from Tarp Surplus. These sturdy three-ply tarps feature a 14 x 14 mesh count and 14 mil polyethylene. Thanks to heat-sealed seams, reinforced plastic corners and grommets strategically placed every 36", installation is a breeze. The UV treated tarp fabric allows a healthy amount of light in to allow plants to flourish while blocking the harmful rays. Our clear poly tarps are tear-resistant and offer artic flexibility, making them the ideal year-round pick. They are also rot and waterproof, giving top notch protection from the elements. Finished tarps are slightly smaller, so be sure to measure. The 40' x 100' clear poly tarp has a finished size of 39'6" x 99'6".