Breathable, water resistance that withstands jobsite rigors


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WeatherSmart® represents a new generation in housewrap technology, offering an intelligent housewrap solution – one that delivers the ideal balance between water intrusion protection and moisture vapor breathability; so it can be used in any climate and behind most exterior claddings. The product is a polymeric weather-resistive barrier, utilizing a high-strength nonwoven substrate and a monolithic non-perforated coating of smart polymers. Its unique construction protects against the elements-while being extraordinarily durable and UV stable.

Part of the Fortifiber® 1-2-3 moisture control system, WeatherSmart® is designed to withstand the rigors of the jobsite and the elements, and is backed by an industry-leading 15-year warranty.



  • Excellent balance between water resistance and permeability
  • Outstanding UV and surfactant resistance
  • Exceptional tear resistance and extended exposure time for all-season performance
  • Exceeds air barrier code requirements


  • 3' x 100'
  • 4.5' x 200'
  • 9' x 100'
  • 9' x 150'
  • 10' x 100'

Related products to qualify for the 15 year warranty