Sustainable materials feature prominently in the design. "We focused on using sustainable materials wherever possible," Koenig says. "The entire house is constructed with FSC-certified lumber. Concrete is very CO2 intensive, so we used volcanic ash to replace half the cement needed for the foundation slab. And rather than cover the slab with wood, we polished it to create a beautiful, durable finish."  A Modern, Energy-Efficient Smart Home by Diana Budds

A Modern, Energy-Efficient Smart Home

Sustainable materials feature prominently in the design. "We focused on using sustainable materials wherever possible," Koenig says. "The entire house is constructed with FSC-certified lumber. Concrete is very CO2 intensive, so we used volcanic ash to replace half the cement needed for the foundation slab. And rather than cover the slab with wood, we polished it to create a beautiful, durable finish."

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