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  • Free beta version of 475’s first eBook
  • Details for optimizing building airtightness, vapor control, and continuous insulation
  • A comprehensive look at the materials and details required to make masonry building retrofits a success
  • Chapters on the walls, roofs, cellars and penetrations
  • Fully illustrated with 2-D and 3-D drawings as well as job site photographs
  • Available only in PDF format at this time – 187MB file
  • Also available:

  • Order a hardcopy version of this book
  • Download free Construction Details in DWG format
  • Get your FREE 475 eBook: High Performance Historic Masonry Retrofits
  • Historic Masonry Retrofit Details and Notes (cold/mixed climates)
  • DWG Construction Details for Deep Energy Retrofit (DER) Foam-Free Assemblies
  • 475 High Performance Building Supply

    475 High Performance Building Supply