Suitable for use in all types of single-ply systems including mechanically attached, ballasted, and fully adhered. PVC has excellent flexibility. It also has increased resistance to UV, ozone, chemicals, tears, and punctures. That along with heat-welded seams, a white reflective color, and how simple it is to repair and install makes it the right choice for your job. Guarantees are available up to 12 years when using EverGuard® PVC XK 50-mil Membrane.