TITANIUM™ UDL-50 is a tough, robust Commercial Grade underlayment for demanding, premium roofing applications. Our highly engineered coated woven synthetic material offers a reliable secondary layer of protection under all types of primary sloped roofing material. Unlike felt, TITANIUM UDL's recyclable polyolefin construction doesn't expand or contract and is inert to mold growth. With TITANIUM's unique patented SURE-FOOT™ walking surface, 6 month UV exposure and all temperature performance rating, your jobs will stay on track through all types of weather conditions. Quicker installs, safer work environment, no more blow-offs or call-backs means significant savings in time and money.