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IB-3™ IceBuster is a self-adhering, 50 mil, mineral surfaced roofing underlayment for use under shingles, tile, and other types of roofing. It is constructed from a strong layer of mesh bonded to rubberized asphalt and coated with black stone granules.

IB-3™ IceBuster installs under roofing at the edges and valleys to protect from leaks due to ice dams, melting snow and blowing rain. IB-3™ IceBuster is suitable for use in new construction and reroofing.

IB-3™ IceBuster Features

  • 50 mil nominal thickness

  • Installs in temperatures above 40°F

  • Minimum slope for installation is 2" 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

  • Available in four roll sizes of 36” x 33’ (1 Sq), 65’ (1.95 Sq), 67’ (2 Sq) and 75’ (2.25 Sq)

  • 5-Year limited warranty

IB-3™ IceBuster Approvals

  • ASTM D 1970

  • ICC-ES ESR 1737

  • Florida Building Code FL 11842.1

  • Miami-Dade County Approved

  • Texas Department of Insurance Listed

IB-3™ IceBuster

ProductProduct IDSizeUnits/CartonCarton Wt.
IB-3 IceBuster4733336” x 33’137 lbs
47367S36” x 65’166 lbs
4736736” x 67’168 lbs
4737536” x 75’175 lbs

IB-3 75’ (2.25 Square) is a 3-pallet minimum order.

MFM IB-3™ IceBuster

Roll Sizes: 36" x 33’ (1 Square), 36" x 67’ (2 Square)