HALO SUBTERRA PLUS
Wont crack, wont break, no matter what!
Watch the video below for proof
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Halo® Subterra® does all of this because it’s designed with a high-performance Graphite Polystyrene (GPS) foam core that’s laminated on both sides with a tough cross-woven laminate layer:
The Genius of Halo® Subterra®’s Graphite Polystyrene Foam Insulation Board Core
Graphite Polystyrene is created by infusing high-purity graphite particles into polystyrene beads, thereby creating a dark gray foam board insulation that offers significantly improved energy efficiency.