Halo® Subterra®
Halo® GPS (graphite polystyrene) insulation offers a long-term R-value of 4.7 per inch and is available with either a thick polypropylene laminate or an extra-tough cross-woven laminate, known as Subterra® Plus. Subterra Plus is notable for its radon barrier properties, boasting seven times higher radon resistance than 6 mil polyethylene membranes, according to the NRC’s Radon Diffusion test. This continuous GPS insulation creates a crucial thermal break, protects waterproofing, and features an exterior laminate that helps drain water away from the foundation wall. Additionally, it’s designed to be job site tough, capable of withstanding severe foot and equipment traffic without damage, and includes a built-in water-resistive barrier.
WATERPROOFING PROTECTION
ENERGY EFFICIENT
DURABLE & FLEXIBLE
Benefits
- Halo® GPS (graphite polystyrene) delivers a long-termR-5 per nominal inch*
- Available with a thick polypropylene laminate or an extra-tough cross-woven laminate (Subterra® Plus)
- Continuous GPS insulation creates a thermal break
- Protects waterproofing
- Exterior laminate helps drain water away from the foundation wall
- It’s job site tough – withstands severe foot and equipment traffic without breaking
- Built-in water-resistive barrier**
*Thermal performance claim based on a thickness of 1-1/16”.
** When seams, fasteners and edges are taped and/or sealed (see the Halo® Installation Guide).
Specifications
Board Size
- 4 ft x 8 ft
- 1230mm x 2460mm
Board Thickness
- 1.0”, 1.5”, 2.0”
- 26mm, 38mm, 52mm
R-Value
- R-5 per nominal inch
(based on thickness of 1-1/16”)
Compressive Strength psi (KPA)
- 16 (110) / 30 (210)
- Additional thicknesses may be offered regionally.
- Custom thicknesses and compressive strengths are available upon request.
Expand Your Advanced Rigid Foam Solutions
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