Moisture Durability of Vapor Permeable Insulating Sheathing (Fact Sheet)

Research output: NRELFact Sheet


In this project, Building America team Building Science Corporation researched some of the ramifications of using exterior, vapor permeable insulation on retrofit walls with vapor permeable cavity insulation. Retrofit strategies are a key factor in reducing exterior building stock consumption.
Original languageAmerican English
Number of pages2
StatePublished - 2013

NREL Publication Number

  • NREL/FS-5500-60143

Other Report Number

  • DOE/GO-102013-4056


  • BSC
  • Building America
  • exterior insulation
  • hygrothermal simulations
  • residential
  • residential buildings
  • vapor permeance
  • weather resisting barrier
  • WUFI


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