How is problem of pitch maintenance be solved at the Allianz Arena?
The Arena has been carefully designed to allow sufficient sunlight and airflow for the playing surface. The roof is constructed from pneumatic panels made of transparent and translucent ETFE laminate. This material is an exceptionally good conductor of light between 400 and 660 nm (a UV transparency of 98%), allowing the grass to grow normally. The wind, no matter which direction it comes from, blows into the body of the stadium over the first tier of seats, sweeping across the field of play. The exterior cross-section and the lower edge of the second seating tier combine to function as ventilation nozzles, ensuring the pitch is well aired. In comparison to the other seating areas, the first tier is constructed at a very low level, creating a so-called laminar airflow. The pitch is laid on a scientifically designed base layer and the grass itself, a variety engineered to withstand heavy use and thrive in shadow, ensures an optimal playing surface.
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