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    • WELCOME
    • ZANNI GROUP
    • CONTACT
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  • WELCOME
  • ZANNI GROUP
  • CONTACT
  • PRODUCTS
  • DOWNLOADS
  • BLOG

Rainwater Retention and Storage

Large-Volume Rainwater Retention and Water Storage

Large-Volume Rainwater Retention and Water Storage

Discover Large-Volume Solutions for Increasing Weather Extremes


Adaptation isn’t a sign of weakness but of foresight. It is a necessary step for our future – a response to the physical laws that govern us. 


With the JUMBO BLOCK® System, we contribute to preserving a livable environment and protecting infrastructure.

Further Information

JUMBO BLOCK ® Retention and Water Storage System

The real JUMBO BLOCK® Rainwater Retention and Water Storage System. Flood Protection unlimited.

JUMBO BLOCK® is the ultimate solution for climate adaptation, offering highly customizable, standardized systems for retention, water storage, and infiltration.


With exceptional stability and load-bearing capacity, it supports overbuilding and vehicular traffic, making it the ideal choice for municipalities, industry, urban planning, and beyond.

Further Information

JUMBO BLOCK® – Ready for Your Projects

JUMBO BLOCK® – Ready for Your Projects

JUMBO BLOCK® – Ready for Your Projects

The JUMBO BLOCK® system is available with detailed purchase information, providing a scalable and high-performance solution for water retention, flood prevention, and infrastructure resilience. Designed for long-term durability, each module is built to withstand extreme loads and environmental conditions.

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Industrial Applications

Power plant components

Power plant components
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Grate for the combustion of liquid and solid media

Grate for the combustion of liquid and solid media
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Heating and cooling rules

Heating and cooling rules
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Cooling of air and flue gases

Cooling of air and flue gases
Further information

Filtering of air and flue gases

Filtering of air and flue gases
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Exhaust Gas Measurements

Exhaust Gas Measurements
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Other interesting Areas and Solutions

Water treatment

Water treatment

Water is the essence of life and a key resource for our future. We are committed to pioneering sustainable solutions for water treatment that address critical global challenges like water scarcity and climate change. With advanced technology and extensive expertise, we establish new benchmarks in water treatment, ensuring safe, efficient, and eco-friendly water use.

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Protection of the environment

Protection of the environment

Environmental protection is our top priority, guiding the development of all our products. Through environmentally conscious planning, strict compliance with regulations, and thorough project execution, we ensure minimal environmental impact. Every new product and process is evaluated for its environmental footprint and energy efficiency to mitigate risks to the environment, energy resources, and safety.

Further Information

Defence Systems

Defence Systems

Defence Systems

Uncompromising Protection,

Built to Last


When it comes to bunker and shelter construction, the demands for protection, strength, and adaptability have never been higher.


Defence Systems with  JUMBO BLOCK® offer the ultimate solution for creating high-security facilities capable of withstanding modern threats.

Further Information

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