Low weight of the system

The RENOLIT ALKORSOLAR system owes its low weight to the fact that the solar elements can be fitted to the roof without the need for any additional ballast.
The systems differ according to the solar element selected and the aluminium sub-structure, but will not generally exceed 15  kg/m². For fitting of the galvanized panels equipped with amorphous solar cells, only an additional 4 kg/m² need be allowed for in many cases.

No additional ballast needed