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
Protects roofs from wind driven rain and ice dams
Versatile - suitable for use under most rood coverings， including asphalt shingles mechanically attached tiles and most standing seam metal roofs
36 in. x 75 ft. size provides 225 sq. ft. of coverage
Underwriters Laboratories Inc. Class A fire classification under fiber-glass shingles and Class C under organic felt shingles (per ASTM E108/UL 790)
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