ETFE Membrane Facade

ETFE Membrane Facade is a double skin facade designed for a research and teaching building. The outer skin is formed by welded transparent cushions of ethylene tetrafluoroethylene, three metres wide and up to sixty-two metres long, kept under constant air pressure and installed diagonally on a secondary steel structure with aluminium clamps. The facade cavity acts as a solar collector, and warm air is drawn into the ventilation units, reducing energy use by up to 30 percent. The membrane is cleaned by rainwater and adds acoustic protection from street traffic.

ETFE Membrane Facade Double Skin Solar Collector by Petr Franta was selected as an exceptional example of architectural design by the A' Design Awards. ETFE Membrane Facade Double Skin Solar Collector received the Bronze A' Design Award in Architecture, Building and Structure Design in 2022. The A' Architecture, Building and Structure Design Award is an international, jury-voted, fair and ethical design competition which honors exceptional design of skyscrapers, museums, residential buildings, commercial complexes, educational institutions, religious structures, infrastructure designs, landscaping projects and more.

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