Henry® Company is the most complete provider of Building Envelope Systems® that control the flow of water, air, vapor and energy in a building.

*Product mix varies by location, please check with your local branch for product availability.


Customer Portal


WeatherSmart® is a weather-resistive barrier that balances water and air intrusion and permeability. Featuring an advanced high-strength polymer technology, its construction protects against the elements and provides tear resistance and UV stability. WeatherSmart is suitable for use in any climate and behind most exterior claddings, including fiber cement, brick, vinyl and wood siding. When used as part of the Henry® 1-2-3 Moisture Control System™, WeatherSmart is backed by an industry-leading 15-year warranty. Repairs are covered for both materials and labor with a single point of contact.

Product Details

Features & Benefits

  • Excellent balance between water resistance and permeability
  • Good tear resistance and UV stability
  • Part of approved NFPA 285 assemblies
  • Backed by an industry-leading 15-year warranty


Henry WeatherSmart Installation Guide

Henry WeatherSmart® Safety Data Sheet