Halo Subterra Plus

Halo Subterra Plus is part of the Halo Advanced Graphite Insulation System. All Halo products, including Subterra Plus, offer a high-performance Polystyrene core that delivers R-5 per nominal inch. Halo Subterra Plus is the ultra-rugged foam board insulation that is perfectly designed for a wide variety of below-ground applications such as perimeter insulation, frost shield, under-slab and grade beams. Subterra Plus is available with standard compression strengths of 16 and 30 psi and standard thicknesses of 1", 1.5" and 2". Custom compression strengths and thicknesses are available upon request