The innovative Swedish technology of efficient solar roofs, photovoltaic facades and carports. The solution supporting smart energy management The 2in1 solar roof is a roof integrated with photovoltaic cells – the outer layer of the roof is made up of monocrystalline glass-glass modules, which convert sunlight into electrical energy. As a result, it is possible to use a single product which is used in two ways – it protects the building against adverse weather conditions and produces free electricity.