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30 <br />When snow and ice melt, <br />trapped water can infiltrate <br />to damage the roof deck <br />and building interior. <br />Grace Ice and Water Shield <br />series and WinterGuard series <br />are installed under shingled <br />roofing to prevent water <br />damage from ice dams, as well <br />as wind-driven rain. <br />Grace Ice and Water Shield series and <br />WinterGuard series are designed for use on roof <br />decks as a waterproofing underlayment beneath <br />shingle, slate and tile roofs to prevent leakage due <br />to water backup from ice dams or wind-driven <br />rain. Grace Ice and Water Shield HT, Grace Ultra <br />and WinterGuard HT, an advanced waterproofing <br />underlayment, is specially formulated to resist <br />high roof temperatures and are CertainTeed <br />underlayments to be warranted for use under <br />metal roofs. Grace Ice and Water Shield series and <br />WinterGuard series are most commonly used in <br />critical areas such as roof eaves, valleys and low- <br />slope applications. <br />Grace Ice and Water Shield series and <br />WinterGuard series are classified by Underwriters <br />Laboratories (UL) to be a suitable underlayment <br />for use in any UL Class A, B or C fire rated <br />shingle system, and it is manufactured to meet <br />ASTM D1970. <br />Grace Ice and Water Shield <br />• Industry's leading waterproofing roof underlayment that <br />protects home and contractor's reputation for over 45 years <br />• Forms watertight seals for high performance in severe <br />weather protecting roofs from water intrusion due to wind- <br />driven rain and ice dams <br />Underlayment <br />Protection <br />GRACE ICE AND WATER SHIELD ® <br />SERIES AND WINTERGUARD ® <br />For specific details and <br />limitations, refer to the actual <br />product warranties. <br />Grace Ice and Water Shield HT <br />• Specifically designed to meet the challenges inherent <br />in metal roof assemblies with in-service temperature up <br />to 260°F <br />• High thermal stability for superior performance under the <br />most demanding conditions <br />Grace Select <br />• lightweight and easy to handle and install, while meeting <br />or exceeding industry standards for fastener sealability <br />• Smooth surface provides better lap adhesion <br />Grace Ultra <br />• 100% butyl adhesive formula is designed for extreme <br />temperature roof assemblies like desert climates and high <br />altitude with in-service temperature up to 300F (Ideal for <br />copper, zinc, and COR-TEN® Roofs) <br />• Compatible with EPDM and TPO roofing materials to <br />provide watertight transition between low slope & steep <br />slope roofs <br />WinterGuard® Sand and Granular <br />Waterproofing shingle underlayment is a composite of <br />asphalt polymers, ensuring vapor-tightness and elasticity. <br />It seals around nails and is part of the CertainTeed Integrity <br />Roof System®, delivering top-notch performance. <br />WinterGuard® PRO <br />High-temperature, film surfaced waterproofing <br />underlayment. <br />DiamondDeck® <br />DiamondDeck is a synthetic, scrim-reinforced, water- <br />resistant underlayment that can be used beneath shingle, <br />shake, metal, or slate roofing. It is manufactured to provide <br />best-in-class performance in terms of both weather <br />protection and contractor safety. 10-square roll (4-foot wide <br />and 250-foot long) is easier to handle and faster to apply <br />than standard felt rolls. <br />RoofRunner® <br />Lightweight synthetic polymer-based underlayment <br />outperforms felt and outclasses other synthetics. Designed for use <br />on roof decks as a water-resistant layer beneath asphalt roofing <br />shingles, this scrim-reinforced underlayment includes a <br />special top surface treatment that provides excellent slip <br />resistance, even when wet. Large roll size – 4 ft wide x 250 ft <br />long – speeds application.