GS PRO Ice & Water

Product Line: TopShield®
Product Description: TopShield® GS PRO Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. The embedded aggregate on the upper surface provides enhanced skid resistance properties.
Product Description
Specifications
Documentation

Product Description

TopShield® GS PRO Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. The embedded aggregate on the upper surface provides enhanced skid resistance properties.

Benefits & Features
    • Skid resistant surface provides improved foot traction
    • Split Release film that removes easily
    • 30 day exposure limit
    • Adheres directly to concrete, plywood, gypsum sheathing
    • Self-sealing around nails, preventing moisture penetration
    • GS Pro is re-positional ensuring a quick installation providing
    • Meets ASTM D 1970

    Specifications

    For Use On
    • GS PRO is an SBS modified self-adhering membrane reinforced with non-woven fiberglass mat for extra strength and durability. Designed as a second wall of defense against wind driven rain and seepage due to ice damming.

    PRODUCT SPECIFICATIONS UNIT
    Maximum Load, min MD = 25 lbf/inch
    CD = 25 lbf/inch
    Thickness, min 40 mils mils
    Elongation at Break, min 10% %
    Adhesion to Plywood @ 77F, min 12 lbf/ft lbf/ft
    Flexibility Temperature, @-20F min Pass
    Nail Seal-ability Pass
    Waterproof Integrity of Lap Seam Pass
    Slip Resistance Pass
    Rolls per Pallet (label) 30
    Rolls Weight 60+/-2 Lbs.
    Roll Diameter 7.5 inch
    Square Feet 195
    Roll Dimension 36" x 65'

    Documentation