Living Room, Sectional, Coffee Tables, Pendant Lighting, and Bench A view of the lower living space on the ground floor. Green materials used include the FSC-certified cedar on the ceiling, Permlight LED downlights, and a floor of polished concrete with fly ash mix with radiant heating underneath. The couch was designed by Glenn’s interior designer, Heidi Toll Design.  Photo 2 of 7 in LEEDing the Way