Subslab Foam
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Passive House video — Episode 3
In “Superinsulated Slab,” the third episode in a series of videos on Passivhaus construction, the crew installs 10 inches of rigid foam. After the concrete was placed, more rigid foam was installed above the slab. The finished floor assembly is rated at R-50.
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Do We Really Need 12 Inches of Foam Under Our Slab?
A last-minute attempt to apply value engineering to our Passivhaus design
