Atlas- WeatherMaster Ice & Water 200 (2 SQ)


WeatherMaster® Ice & Water Underlayment is a composite roof underlayment designed to provide a secondary waterproofing barrier needed to prevent ice dams and damage from wind-blown rain.


A proprietary fiberglass mat reinforced, SBS-modified asphalt makes WeatherMaster® Ice & Water Underlayment ideally suited for continuous waterproofing protection against ice dams and wind-blown rain year after year. The self-adhesive underlayment creates a watertight barrier by sealing to the roof deck and around nails. WeatherMaster® Ice & Water Underlayment provides excellent traction and protection from UV degradation and weathering thanks to its granular surface.


WeatherMaster® Ice & Water 200 Underlayment Benefits

  • UV Protected Surface – 45 Day Exposure
  • High-Temperature Stability – 240°F
  • Self-Adhesive Backing Seals Directly to the Deck
  • Dual Modified Asphalt Provides Superior Granule Adhesion
  • Aggressive Bond at Low Temperatures
  • SBS-Modified Asphalt Coating Helps Seal Around Nails for a Watertight Result
  • Fiberglass Mat Is Stronger and Provides Better Tear Resistance Than Saturated Felt Underlayment
  • Atlas Signature Select® Roofing System Eligible

WeatherMaster® Ice & Water Underlayment provides a homeowner with an extra layer of waterproofing protection and peace of mind when the weather gets rough.


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