Installing photovoltaic systems on flat roofs with the Zambelli HSF Ballast Tank is that easy.
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.
The Zambelli HSF Ballast Tank is an innovative substructure for the professional and secure installation of photovoltaic systems on flat roofs
APPLICATION AREA
Flat roof, balcony power plant, ground-mounted systems
PERMISSIBLE SURFACE
Bitumen, plastic sheeting, vegetation, gravel fill
Learn more about the innovative 2-in-1 substructure for photovoltaic systems on flat roofs and request more information about the Zambelli HSF Ballast Tank today!
| Orientation | East/West |
| Nominal Width PV Module | 1129 mm - 1136 mm* |
| Frame Height PV Module | 29 mm - 31 mm |
| Nominal Length | Customizable |
| Material | Plastic (HDPE) |
| Tank Deadweight | approx. 5 kg |
| Total Substructure Deadweight | approx. 7 kg |
| Max. Fill | approx. 40 l |
| Max. Total Weight | approx. 47 kg |
| Filling | Water |
| Module Tilt | 15° |
| Temperature Resistance | -30 °C to +80 °C |
|
* Special sizes available upon request |
Installing photovoltaic systems on flat roofs with the Zambelli HSF Ballast Tank is that easy.
|
(40 kg standard ballasting) |
|
Application Area |
Flat roof, balcony power plant, ground-mounted systems |
| Permissible Surface* | Bitumen, plastic sheeting, vegetation, gravel fill |
| Coefficient of Friction (installation level) |
min. 0.5 (e.g., sheeting, gravel etc.) |
| Permissible Installation Height | max. 10 m |
| Distance to Roof Edge or Parapet | min. 0.5 m |
| Parapet Height | min. 0.33 m |
| Roof Pitch | max. 6°** |
| Guaranteed Load Capacity*** | max. 1200 kg per tank unit (corresponding to a snow load of 3 kN/m² to 6 kN/m² for a module size of 2 m²) |
| Additional Load on Load-Bearing Structure or Substructure |
min. 25 kg/m² in the standard case (for the special case of corner configuration: 40 kg/m²)
* Depending on the surface, a protective mat must be used as an underlay under the substructure. |
The Zambelli HSF ballast tank is always the best choice. It provides a flexible solution for standard structures as well as for custom projects.
With our order form, you can easily submit your project requirements online.
To simplify the demand planning process, we also provide a handy calculation aid.
The Zambelli HSF Ballast Tanks are typically designed for a maximum water ballasting of 40 kg. The standard case applies when all HSF system requirements are met.
If the requirements for the standard case are not met, a custom calculation must be performed in any case. This ensures that the ballasting meets the specific conditions and requirements of the installation site. This may include adjustments to the ballast weight or additional safety measures.
* Prerequisite: Proper installation and documented maintenance of the system
The installation of the Zambelli HSF Ballast Tank system is quick, straightforward, and requires no special tools.
Our team is looking forward to assisting you. Please fill out the contact form, and someone from our team will get in touch
with you shortly to answer all your questions and discuss the next steps.
Your concerns are important to us, and we are committed to providing you with the best possible support.
We look forward to connecting with you!
Zambelli Holding GmbH Passauer Straße 3+5, D-94481 Grafenau/Haus im Wald
Phone +49 85 55 409 0 E-Mail info@zambelli.com