Environmentally friendly folding glass wall system
Sturdy SL70 glass walls provide increased energy efficiency with their triple glazing. The glass walls are designed for openings as narrow as eight feet up to 320 feet. The SL70 glass system can withstand winds up to 125 miles per hour and temperatures as low as 40 below zero. The wall system meets EnergyStar requirements for the entire U.S. and parts of Canada. The SL70 has a certified U-value of 0.30 and a 0.24 solar heat gain coefficient.
NanaWall Systems, Mill Valley, Calif.
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