PAC-CLAD HT from Petersen is a self-adhering, high-temperature roofing underlayment designed to provide premium waterproofing protection for a variety of roofing applications. PAC-CLAD HT underlayment offers protection against water and ice damming while withstanding extreme weather conditions. The self-adhering qualities of PAC-CLAD HT reduces labor costs and installation times while providing increased protection compared to that of typical felt roofing underlayments. This strong, skid-resistant high-tensile-strength rubberized asphalt membrane is available in either black or white.