Ben Bogie, project manager for the build GBA is following, explains how his team solved for the clients’ objective to reduce concrete in their foundation. The vapor-broken assembly consists of 18 in. of foamed glass from Aero Aggregates laid in 6-in. lifts, compacted and top-dressed with sand. We learn about the assembly’s R-30 sub-slab insulation value, spray-on waterproofing system, Stego heavy-mil. vapor barrier, and how the crew handled the transition between materials to ensure control layer continuity.
Ben Bogie is a second-generation high-performance-building obsessive working as a project manager for BPC Green Builders of Wilton, CT.
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