This high performance, durable PVC, commercial roofing membranes is available for use over a wide range of applications. IB membranes are available with polyester scrim or fiberglass reinforcements in both smooth and fleece back format suitable for use over a broad range of substrates and insulations, designed for easy use with a variety of installation methods. Comes in 50-mil, 60-mill, and 80-mil. We can offer up to a 30-year material warranty.