WeatherWatch® Mineral‑surfaced Leak Barrier / Ice & Water Shield



  • GAF

WeatherWatch® Mineral‑surfaced Leak Barrier Specifications:

  • Width: 36″ (.914 m)
  • Roll Lengths: 66.7 ft. (20.33 m)
  • Square Feet Per Rolls: 2 squares/roll – 200 sq. ft. (18.58 m²) excludes laps



By creating a barrier at the most vulnerable areas of your asphalt shingle roof (at the eaves and rakes, in valleys, around chimneys, etc.),WeatherWatch® Mineral-Surfaced Leak Barrier helps prevent leaks due to water backing up in your gutters, wind-driven rain, and in the North, damaging ice dams.  It will also help protect your home from expensive wall and ceiling staining from leaks.  WeatherWatch® Mineral-Surfaced Leak Barrier is a key part of the GAF Lifetime Roofing System.1   It’s eligible for Lifetime limited warranty when used on Lifetime Shingle roofs1 and it’s an eligible component of GAF residential enhanced warranties.