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IB-4™ StormStopper is a self-adhering, 60 mil, mineral surface 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. Comes with a non-removeable selvedge edge for a secure seal on overlaps.

IB-4™ StormStopper installs under roofing at the edges and valleys to protect from leaks due to ice dams, meltingsnow and blowing rain. IB-4™ StormStopper is suitable for use in new construction and reroofing.

IB-4™ StormStopper Features

  • 60 mil nominal thickness
  • Non-removeable selvedge edge for secure seal on overlaps
  • 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 365 days
  • 10-Year limited warranty

IB-4™ IceBuster Approvals

  • ASTM D 1970
  • ICC-ES ESR 1737
  • Florida Building Code FL 11842.1

IB-4™ StormStopper

ProductProduct IDSizeUnits/CartonCarton Wt.
IB-4 StormStopper4746736” x 67’178 lbs
IB-4™ is a 3-pallet minimum order product.