The Smart PV Mounting & Ballasting System for Flat Roofs
The Zambelli HSF Ballast Tank
The Zambelli HSF Ballast Tank is a substructure designed for the proper and secure installation of photovoltaic systems on flat roofs. Made from UV-resistant high-performance plastic (HDPE), this mounting system combines east-west elevation and ballasting in one.
The pressure-free, open tank system is suitable for year-round use – even in icy conditions during winter! Ballasting is achieved by filling the tank with water. This allows the mounting system to function without penetrating the roof membrane or requiring additional weighting with ballast stones. An automatic precipitation return system ensures that evaporated ballast water is redirected into the ballast tank via the funnel cap during rain, keeping the water level constant.
Solar energy from flat roofs has never been easier
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2-in-1 substructure
Suitable for various PV modules
Low deadweight
Smart cable management
Interlocking modular design
Flexible ballasting possible based on individual planning
Optimised module tilt
No building protection mat needed
Large support area for minimal point load
Fire protection class B2
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Easy and flexible handling
Fast and uncomplicated installation
No roof membrane penetration
No adhesive fastening
No additional weighting required
UV, frost, and weather-resistant
Low costs
Low maintenance
100 % recyclable
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Click here to view product details and specification
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Click here to view the technical data sheet
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