Board Insulation

We like

  • Mineral wool, cellular glass, cork, or wood fiber boardstock requiring no flame retardants
  • Halogen-free polyisocyanurate insulation with Greenguard Gold or Indoor Advantage Gold certification
  • Envelope details minimizing use of rigid foam insulation

We don’t like

  • Extruded polystyrene (XPS)
  • Expanded polystyrene (EPS)

Board Insulation

These insulation products and thermal breaks provide superior thermal performance and avoid common chemical hazards.