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GCP

GCP 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.

GCP’s 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 GRACE ICE & WATER SHIELD® 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 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.

  1. 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

  2. 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

  3. 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.

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Product Spotlight LIVE From JLC 2022: Rob White - Grace Ice and Water Shield

GCP Residential Building Envelope Specialist Rob White was recently a guest on "1/2 In the Toolbag Podcast." 

Rob is responsible for GCP distribution and dealer partnerships in Eastern Massachusetts, Rhode Island and Maine. He enjoys working directly with contractors and architects to provide solutions to make their job easier and more efficient, as well as provide products that meet the demands of the local weather challenges.

Oak Development & Design CEO, television producer and star of Heart of Oak and podcast host PJ Antonik asks Rob about his career journey, GCP's stand-out products such as GRACE ICE & WATER SHIELD® and why we need to think about building differently to deal with the new and unexpected forces of mother nature. It's a fun and informative conversation while at JLC in April.


VYCOR® enV-S™ Weather Resistive Barrier

GCP’s Vycor® enV-S™ self-adhered weather resistive barrier provides an advanced alternative to house wraps. It is a highly durable membrane that directly adheres to the sheathing, avoiding the tears and costly reworks commonly associated with traditional house wraps. The wall is protected from water damage and the job site looks neat, sealed, and attractive even during construction.

As homebuilders seek to promote the energy efficiency of the homes they build, Vycor® enV-S™ weather resistive barrier represents the latest in residential building science to create an air-tight, yet breathable home, and achieve the highest product performance available. While it does not require mechanical fasteners for its installation, Vycor® enV-S™ membrane forms a water- and air-tight seal around the fasteners used to install siding and exterior finishing materials, thus avoiding the numerous leak points typical for traditional house wraps.

Importantly, this advanced weather barrier adheres to itself, improving protection at the laps, which are vulnerable points for air and water leaks. It does not require taping of seams or other special joint treatment. As a result, Vycor® enV-S™ membrane helps ensure peace of mind to homebuilders both during and after installation, helps reduce costly callbacks, and helps provide labor savings. 

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Ice & Water Sheild®: Peace of mind

The Grace Ice & Water Shield® utilizes the Three Crown Jewels of Roofing to produce a watertight seal atop residential roofs.

  1. It seals to the deck

  2. It seals to itself for watertight laps

  3. It seals around roofing fasteners

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Latest Podcasts

GCP - Why is Underlayment Important for your Roof? - POD

Why is Underlayment Important for your Roof?

S1:E2 This month on the AskARoofer Podcast Alice Reynolds and Megan Ellsworth sit down with Dominic Favazza from GCP to talk about underlayment and why it is important for homeowners. The three discuss roof systems and how underlayment plays a big role in keeping home dry and safe during storms. Listen ...
Listen to the Podcast

GCP - podcast playlist

GCP Podcast Playlist

Product Spotlight LIVE From JLC 2022: Rob White - Grace Ice and Water Shield Rob White is a Residential Building Envelope Specialist with GCP. One of his company's great products is GRACE ICE & WATER SHIELD®. Rob discusses building for the new extreme weather, installation tips and more.
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Buy Online

GCP - Buy Online - Underlayment

Protect your roof from harsh weather conditions by using this 36 in. x 75 ft. GCP's 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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Latest Videos

GCP - Video Playlist

GCP's 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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