GCP Applied Technologies has been the leader in
roofing underlayments since 1978, when it introduced the first fully-adhered roofing underlayment,
Grace Ice and Water Shield®. For more than 35 years, Grace Ice & Water Shield® has become the most trusted brand that roofing contractors and architects use and specify on projects around the world.
Since the introduction of Grace Ice & Water Shied®, we have developed a comprehensive portfolio of roofing underlayment products to fit the specific design, climate, and application requirements of your clients’ roofs.
roofing underlayments portfolio provides a number of benefits that competing products cannot provide. Our self-adhered roofing underlayments are designed to provide strong adhesion to the roof deck, superior watertight laps, and the highest quality seal around roofing fasteners. Selecting GCP roofing underlayment products for re-roofing and new construction projects helps avoid leaks,
costly damage and call-backs.
GCP--and our predecessor company, Grace--have been trusted by contractors when waterproofing homes for almost 50 years. GCP offers best in class, premium performance roofing underlayments for a variety of roofing projects – whether it be for shingle, slate, shake, metal, tile,
copper or zinc roofs.
Signature buildings around the world have used GCP underlayments, including the Pentagon (USA), The Guggenheim Museum (Spain), the Emirates Towers (UAE), and many others. Roof It Right™ with roofing underlayments from GCP Applied Technologies.
Grace Ice & Water Shield Infographic
Learn more about Grace Ice & Water Shield® and how it provides superior protection from the damaging effects of severe weather.
Take a Look
The familiar Grace brand will continue to appear on GCP documents until we complete our rebranding. Until then, Grace-branded documents are accurate representations of GCP Applied Technologies products.