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.
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Subterra®
Board Size
Board Thickness
R-Value
Compressive Strength psi (KPA)
4 ft x 8 ft
1230mm x 2460mm
1-1/16”, 1 5/8”, 2-1/8”
27 mm, 41 mm, 54 mm
R-5, R-7.5, R-10
16 (110) / 20 (140) / 25 (172) / 30 (210) / 40 (276)
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
1-1/16”, 1 5/8”, 2-1/8”
27 mm, 41 mm, 54 mm
R-Value
R-5, R-7.5, R-10
Compressive Strength psi (KPA)
16 (110) / 20 (140) / 25 (172) / 30 (210) / 40 (276)
Foundation Walls
Under Slab
