TPO roofing united this divided porch Lambertville NJ(actual photo) never stock. Contact Big Al to photo your next project Six months later. And it's looking good, After the 1st year most of the wrinkle will tighten-up like a drum This porch has weldable metal around the perimeter and in the gutter-line to ensure water flow & superior wind resistance The flower planter's water runoff shows how well water is being directed to the drains This new Tpo roof will provide decades of trouble-free years to come.