The Genius of Surround Science.

Halo® Exterra®

Perfectly Designed for Exterior Applications
  • Halo® GPS (graphite polystyrene) delivers a long-term R-5 per nominal inch*
  • Breathable — walls stay dry and healthy
  • Built-in water-resistive barrier**
*Thermal performance claim based on thickness of 1 1/16”.
**When joints and fasteners are taped (see the Halo® Installation Guide).
Breathable And A Water-Resistive Barrier

Halo® Interra®

Perfectly Designed for Interior Applications
  • Halo® GPS (graphite polystyrene) delivers a long-term R-5 per nominal inch*
  • Built-in vapor barrier**
  • Reflective laminate reflects heat back into the home or building***
interra-pic *Thermal performance claim based on thickness of 1 1/16”. **When taped. ***When an appropriate air space is provided.  
Reflective And A Vapor Barrier

Halo® Subterra®

Perfectly Designed for Below-Ground Applications
  • Halo® GPS (graphite polystyrene) delivers a long-term R-5 per nominal inch*
  • Subterra® is available with a thick polypropylene laminate or with an extra-tough cross-woven laminate (Subterra® Plus)
  • Job site tough — able to withstand severe foot and equipment traffic without breaking
  • Built-in water-resistive barrier**
subterra pic *Thermal performance claim based on thickness of 1 1/16". **When taped.
Incredibly Strong And Tough