As a construction materials expert with extensive experience in the industry, I am well-versed in various types of roofing underlayments and their applications. The Ice and Water Shield is a specific type of roofing underlayment designed to provide superior protection against leaks caused by ice dams and wind-driven rain. It is a critical component in the roofing system, particularly in regions where extreme weather conditions are common.

The Grace Ice and Water Shield, a product of GCP Applied Technologies, is a fully-adhered, smooth surface roofing underlayment that is widely recognized for its effectiveness in preventing leaks. This product is a registered trademark and has earned the trust of many contractors due to its high-quality performance.

The primary function of the Ice and Water Shield is to create a barrier that prevents water from penetrating the roofing system. It is typically installed over the roof deck and under the shingles or tiles. The product is designed to handle the forces exerted by wind-driven rain, which can push water under the shingles, potentially causing leaks. Moreover, it is formulated to withstand the pressure from ice dams, which are formed when snow melts and refreezes at the edge of the roof, creating a blockage that can lead to water backup and leakage.

The Grace Ice and Water Shield is made from a synthetic rubberized asphalt that is reinforced with a durable, high-strength fabric. This combination provides excellent puncture resistance and durability, ensuring that the underlayment can withstand the rigors of construction and the elements. It is also easy to install, with a self-adhering feature that eliminates the need for additional adhesives or fasteners, making the installation process more efficient and reliable.

One of the key benefits of using the Ice and Water Shield is its ability to provide a smooth surface for the application of shingles. This not only speeds up the installation process but also contributes to a more uniform and professional-looking finish. Additionally, the product is resistant to ultraviolet (UV) rays, which means it can be left exposed for short periods without degrading, providing flexibility during installation.

In terms of installation, it is important to follow the manufacturer's guidelines to ensure the best performance of the product. This includes proper ventilation of the roof to prevent moisture buildup, which can lead to the formation of ice dams. The Ice and Water Shield should be installed starting at the lowest point of the roof to ensure that water is directed away from the home.

In conclusion, the Ice and Water Shield is a vital component in the roofing system, offering robust protection against leaks and enhancing the overall performance of the roof. It is a testament to the innovation and quality that GCP Applied Technologies brings to the construction industry, ensuring that contractors and homeowners alike can rely on a product that delivers on its promise of superior leak protection.

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Grace Ice and Water Shield fully-adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams. Grace Ice and Water Shield roofing underlayment, a registered trademark of GCP Applied Technologies, is the name that contractors trust the most to protect ...read more >>