G300 Ice & Water

Product Line: TopShield®
Product Description: TopShield® G300 Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid resistance properties.
Product Description
Specifications
Documentation

Product Description

TopShield® G300 Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid resistance properties.

Benefits & Features
    • Skid-Resistant Surface: Enhanced grip for improved footing, reducing the risk of slips during installation.
    • Easy Installation: The release film peels off effortlessly, simplifying handling and application.
    • Durable Exposure: 30-day exposure limit ensures the underlayment can withstand temporary exposure to the elements without compromising its performance.
    • Versatile Adhesion: Bonds directly to concrete, plywood, and gypsum sheathing, providing a secure base for shingles.
    • Self-Sealing: Effectively seals around nails, preventing moisture penetration and enhancing waterproofing protection.
    Code Approvals
    • ASTM D1970
    • ICC-ES ESR-2116
    • Miami-Dade #23-0209.02
    • FBC #FL10450.18
    • TDI

    Specifications

    For Use On
    • To protect a building’s deck or internal structure against leaks caused by ice and water damming and wind-driven rain. It is highly effective in critical roofing areas such as valleys, ridges, coping joints, chimneys, vents, dormers, skylights and low-slope sections.

    PHYSICAL INFORMATION
    Item Code (Boxed) : TOPLB730300
    Item Code (Un-Boxed) : TOPLB730200'
    Item Code (Bagged) : TOPLB730100
    Roll Length: 65'
    Roll Width: 36"
    Weight: 60 lb
    Tensile Strength, MD: 25 lbf/in
    Ultimate elongation, MD: 25 lbf/in
    Tear Resistance, MD & XMD: 20 lbf
    Flexibility Temperature: -20° F
    Adhesion to Plywood, (75°F): 15 lb/ft of width
    Adhesion to Plywood, (40°F): 2 lb/ft of width
    Thermal Stability, Max: 0.1 inch
    Moisture Vapor Permeance: 0.10.1 U.S. Perms (max)
    Slip Resistance: Pass

    Applicable Standards & Approvals
    • ASTM D 1970
    • ICC-ES ESR-2116
    • Miami-Dade Approved 
    • Florida Building Code Approved 

    Documentation