• Strong adhesion to the roof deck: helps ensure watertight seal, protecting roofs from harsh weather conditions
• High quality seal around roofing nails: delivers best in class roof leak protection; providing peace of mind against costly call backs
• Forms superior laps: helps ensure a watertight installation with no special treatment of the laps
• Ripcord split release on demand: makes it easier to waterproof detail areas such as valleys, chimneys, roof to wall transitions
• Longest performance history: with over 35 years of performance history, Grace Ice and Water Shield roofing underlayment offers the highest confidence for the life of the roof

225 sqft roll, ice & water shield, self-adhered membrane forms a watertight seal around roof fasteners, apply at eaves & in detail areas to prevent leaks caused by ice dams & on the whole roof to prevent leaks caused by wind driven rain, roll dimension: 36 in. x 75 ft. (225 sq. ft.) , upc: . Grace Ice & Water Shield self-adhered roofing underlayment is a premier membrane composed of two waterproofing materials an aggressive rubberized asphalt adhesive backed by a layer of slip resistant coated high density cross laminated polyethylene film. The rubberized asphalt surface is backed with a foldless release paper that protects its adhesive quality. During application, the release paper is easily removed, allowing the rubberized asphalt to bond tightly to the roof deck. The Ripcord embedded in the adhesive provides the applicator a split release on demand feature. Grace Ice & Water Shield is a versatile underlayment material that may be used on sloped roofs, under mechanically attached roof coverings such as asphalt shingles, slate, tile, cedar, and standing seam metal in many climate and assembly conditions (see limitations for additional information). Grace Ice & Water Shield is supplied in 3 ft wide rolls of varying lengths. Membrane strips are also available in 75 ft (22.9 m) long rolls at widths of 6 in. (150 mm), 9 in. (225 mm), 12 in. (300 mm) and 18 in. (450 mm). See the Product Data chart for product information.