PLATINUM HTSA is a high temperature, self-adhering, peel and stick roofing underlayment. It is designed for sloped roof applications to help protect against water infiltration from ice dams and wind driven rain. It combines the GRIPSPOT™ patented slip resistant walking surface with a high strength modified rubberized asphalt peel and stick backing. HTSA offers premium protection against wind driven rain, snow, ice dams, and water infiltration.