Titanium® and RhinoRoof® are the leading brands of synthetic underlayment for use under sloped roofing. Our roofing underlayment products offer up to six months UV exposure, outstanding walkability, ice damming protection and much more. All Titanium products offer the Sure-Foot® slip-resistant walking surface. This is a patented nodular walking surface that allows for excellent steep slope walkability, even in wet weather conditions. All Titanium® UDL's are made from 100% recyclable polyolefin. They do not expand or contract, lay flat without buckling and are completely inert to mold growth. All Titanium® UDL products come with a Lifetime Limited Warranty*. RhinoRoof® U20 is a value-priced, performance-brand felt replacement. RhinoRoof has a durable and high-strength design and fiber-grip walking surface that provides a considerable improvement over asphalt-saturated felt underlayment. RhinoRoof® U20 comes with a 20 year Limited Warranty*. *see warranty for complete details, limitations and requirements.