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Price: $39.95
    Item #MFM-47333
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    IB-3 Ice Buster is a self adhering mineral surface underlayment which adheres directly to the roof deck. The specially formulated rubberized asphalt adhesive seals around nails and forms a long-lasting barrier. IB-3 Ice Buster is back with a protective release line which removes easily during application. The release liner is split in the middle for easy valley applications


    • IB-3 Ice Buster installs under roofing at edges and valleys to protect from leaks due to ice dams, melting snow and blowing rain. IB-3 is suitable for use in new construction and re-roofing. Apply IB-3 directly to the roof deck at eaves, valleys, skylights, and chimneys. IB-3 NOT intended for use under metal roofing.


    • 50 mil nominal thickness
    • Installs in temps above 40 degrees F
    • Minimum slop for installation is 2 in. per foot
    • Applies easily at eaves, valleys, vents, skylights, and chimneys
    • Easy to remove split release liner for fast installation and ideal for valley applications
    • Self-Seals around common fasteners
    • May be left exposed for up to 30 days


    Technical Data

    • Installation Temp Range: 40 degrees F
    • Material Color: Black
    • Roll Width: 36 in.
    • Roll Length: 33 ft.
    • Carton Weight: 38 lbs.
    • Rolls per carton: 1
    • Area per carton: 100 ft.

    Tech Sheet

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