The building-integrated photovoltaic (BIPV) roof system revolutionizes the traditional roof construction model, using solar modules as the core building envelope structure and directly replacing metal roof panels or tiles. The system adopts an innovative stepped drainage design. Through precise water guide channels and eaves water collection systems, it achieves 100% zero leakage guarantee (certified by EN 13830 dynamic water tightness), completely eliminating the risk of rainwater intrusion.
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