Roofing Underlayment

Based on the proprietary Catalloy process technology from LyondellBasell, Hifax and Softell resins are the materials of choice for TPO single-ply roofing membranes worldwide due to their unique combination of flexibility, toughness, and chemical resistance.

These resins are also used by customers in synthetic roofing underlayments for residential applications. Roof underlayments made with proprietary Catalloy rTPO resins provide wrinkle-free, tear and puncture resistant use, as well as excellent hot air welding properties in proven environmentally friendly applications. They have been used throughout the globe for more than 25 years.