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GCP Applied Technologies

GCP Applied Technologies is a leading global provider of construction products technologies that includes GRACE ICE & WATER SHIELD®, the original self-adhered roofing underlayment, additives for cement and concrete, the VERIFI® in-transit concrete management system, high-performance waterproofing products and specialty systems. GCP products have been used to build some of the world’s most renowned structures. More information is available at www.gcpat.com.

GCP Applied Technologies’ flagship product, GRACE ICE & WATER SHIELD®, the original self-adhered roofing underlayment, protects roofs from extreme weather such as wind-driven rain and ice dams. The underlayment seals around the fasteners used to attach the shingles, which helps prevent water buildup from leaking into the house. This premier underlayment also sticks to the roof deck to keep water from traveling under the underlayment and entering the house via a vulnerable roof deck joint.

For over 40 years, contractors have relied on GRACE ICE & WATER SHIELD®, fully-adhered roofing underlayment from GCP Applied Technologies to provide quality protection. GRACE ICE & WATER SHIELD®, self-adhered roofing underlayment provides premium performance as it seals to itself at overlaps, seals to the roof deck and, most importantly, seals around the fasteners used to attach the shingles, which helps prevent water from leaking into your home. In the event roof coverings are blown off or water manages to get underneath your shingles, these underlayments are the key to preventing water infiltration.

GRACE ICE & WATER SHIELD® HT meets the challenges inherent in metal roofs. This high temperature self-adhered roofing underlayment is a premier membrane designed to deliver premium in-place performance for high temperature applications.

GRACE ULTRA™ butyl underlayment is designed for extreme temperature roof assemblies. It's composed of two waterproofing materials—an aggressive 100% butyl rubber adhesive backed by a layer of high-density cross laminated polyethylene film.

GRACE SELECT™ is the performance alternative to granular surfaced underlayments. GRACE SELECT™ roofing underlayment is composed of two waterproofing materials—a rubberized asphalt adhesive, backed by a layer of high-density cross laminated polyethylene film.



Buy Online

GCP - Buy Online - Underlayment

Protect your roof from harsh weather conditions by using this 36 in. x 75 ft. GCP Applied Technologies' Grace Ice & Water Shield® Roofing Underlayment. 

  • Protects against ice dams and wind-driven rain

  • Forms superior water-tight laps

  • High-quality seal around fasteners

CLICK HERE TO PURCHASE


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GCP Applied Technologies Video Playlist

Storms are increasingly common, and they can cause a lot of costly damage to your home. Roofing underlayments act as the last line of defense from this costly damage, but they are not all the same. Grace Ice & Water Shield® is the original roofing underlayment and has been trusted ...
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