Andrew Michler

The Best Sustainable Building Products from Greenbuild 2012 in San Francisco

by , 11/16/12

us greenbuild, greenbuild expo, usgbc, san francisco, sustainable building, grasscrete

Grasscrete offers another clever way to make large areas green but still traffic-friendly. It’s a bit like a big egg carton made from paperboard which is filled with concrete. Rebar is placed crisscross inside, and after the concrete cures the voids can be filled with soil or gravel to reduce the dreaded heat island effect.

us greenbuild, greenbuild expo, usgbc, san francisco, sustainable building, parans

Other vendors had their heads pointed to the sky. Parans is a clever Swiss device now available in the US that uses Fresnel lenses and fiber optics to pump sunlight indoors. The box tracks the sun all day and fiber optic wires feed those lumens into the interior. Light is reduced 5% per meter, so while you can’t illuminate the lobby of a skyscraper—you can easily light a typical room for most of the day.

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