Kappa
Integration of unframed photovoltaic modules into new and old roofs regardless of the type of roof covering; modules replace the original roof covering and form a waterproof layer ...
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Theta
integration of framed and unframed photovoltaic modules into the roof covering; possibility of vertical and horizontal mounting, rainproof.
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Zeta
Complete integration of framed PV modules, which means the waterproofing layer, quick and easy installation.
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