Halo® Subterra®
Perfectly Designed For Below Ground Applications
Subterra offers a high-performance GPS core that is laminated on both sides with a thick polypropylene film.
Key Performance Advantages
waterproofing protection
Helps drain water away from foundation walls and protects waterproofing.
Energy Efficient
Continuous GPS insulation creates a thermal break and eliminates the energy loss from thermal breaks in the wall assembly.
flexible
With its thick polypropylene laminate, Subterra® is sufficiently flexible and bendable to meet the needs of most typical jobsites.
Durable
Subterra® withstands foot and equipment traffic on the jobsite without breaking.
Learn more about Halo SUBTERRA ®
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Subterra®
Board Size
Board Thickness
R-Value
Compressive Strength psi (KPA)
4 ft x 8 ft
1230mm x 2460mm
1.0”, 1.5”, 2.0”
26mm, 38mm, 52mm
R-5 per nominal inch
(based on thickness of 1-1/16”)
16 (110) / 30 (210)
Additional thicknesses may be offered regionally. Custom thicknesses and compressive strengths are available upon request.
Subterra®
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)
Foundation Walls
Under Slab
