Grace Underlayments extend the life of a roof by protecting against leaks caused by ice dams and wind driven rain. For more than 25 years, Grace Ice & Water Shield® has been recognized as the original and leading self-adhered roofing underlayment. Designed for metal roofs and for high temperature applications, Grace Underlayments are the economical, high performance solution of choice for architects, specifiers, contractors and owners around the world who have come to rely on the long-term protection delivered by Grace.