Enter your email below to receive Weather Protection Systems updates.
Grace Ice & Water Shield® roofing underlayment offers over 35 years of market proven performance against water damage caused by wind-driven rain or ice dams. It is the first fully-adhered roofing underlayment and provides best in class roof leak protection. Insist on the original, Grace Ice and Water Shield®.
<< Back to products
View video >>
IWS 12 Reasons Why/94KB
Roofing Underlayment Selection Guide/285KB
Grace Ice & Water Shield® is the brand that I have trusted the most over the last 19 years when it comes to roofing underlayments. I rely on its superior ability to protect the most vulnerable roof details from ice dams and wind driven rains.
Mark Cahill, President of Cahill Roofing Inc.
© Copyright 2013 W. R. Grace & Co.-Conn