Insulation for the Envelope

This lightweight thermal insulation board has reinforced aluminum foil facers. Thermasheath® is suitable for use in cavity walls, masonry walls, vaulted ceilings and some limited roofing applications, as well as many other building envelope continuous insulation applications. It is also an integral piece to maintaining the continuous insulation solution when Thermasheath®-SI is used as intermittent bracing.


  • Stud walls
  • Cavity walls
  • Masonry walls
  • Exterior stucco
  • Re-siding
  • Vaulted ceilings
  • Attics and crawls spaces
  • Concrete foundations
  • Limited roofing
  • Exterior ducting