Powerroof is a high quality roofing membrane with flexible and integrated photovoltaic modules. The direct coversion of solar energy into electric flow ensures distinct energy savings for your house or company. One can speak of 1kWp per 22m², even at scattered light the Powerroof system provides electricity. After 20 years, Powerroof still has a guaranteed electrical output of no less than 20%.
Source: waterdicht.beAdded: 5 December 2006