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As an experienced project partner, we also professionally implement facade greening and take care of maintenance. Green facades combine many positive effects: They cool, protect against noise and improve air quality – mitigating the effects of climate change and traffic. And, of course, a green facade is also a real eye-catcher!
Green facades are becoming increasingly important, especially in the city. Green facades have many positive effects: They are able to cool, insulate and protect against noise – thereby mitigating the negative effects of climate change and traffic. A green facade is also a real eye-catcher.
Various publications have demonstrated the positive effects of greening buildings and facades in particular. The most important effects are:
Cooling: There is a clear effect on the local air temperature. The green moderates the temperature (according to case studies by up to 1.3 degrees Celsius).
Evaporation: In addition, the green facade increases the evaporation of rainwater (by up to 12 millimetres per day according to case studies).
Air quality: Finally, there are positive effects on air quality (according to case studies, particulate matter concentrations are reduced by up to 60 percent and nitrogen dioxide concentrations by up to 40 percent).
The environmental impact is associated with economic effects. For example, the additional layer around the building saves electrical energy that would otherwise have to be used for cooling systems. The benefits for the air and climate in the surrounding area are not only building-related, but also valuable in an urban context – which is another reason why developers who integrate green facades into their planning are eligible for additional funding opportunities.
The way in which green facades can be implemented is constantly evolving. Architecture, urban planning as well as gardening and landscaping are merging in new ways. Modern, modular planting systems often already include solutions for irrigation and the right nutrient substrate composition for the plants. The various systems are:
Wall-mounted systems are installed directly on the facade. They are ideal for urban locations, where space at ground level is often limited. The plants take root in their own modular facade elements, which are attached to the wall. The elements contain the substrate for the roots and integrate solutions for watering and supplying the plants with nutrients.
Ground-based systems allow the selected plants to root in the soil. This is good for deep root formation and makes artificial irrigation easier. Today, ground-based systems are widely used in conjunction with special cable constructions. Climbing plants grow up the steel cables and eventually cover the entire net-like structure.
The companies in our group are experts in the selection and combination of suitable plants for all systems and work closely with the fitters and building technicians during installation to achieve optimum results.
Many different plants are suitable for facade greening, especially for wall-mounted systems. The selection ranges from mosses and perennials to special woody plants and grasses that also do well in a vertical orientation.
The costs for a green facade can be divided into two main items: the costs for installation and the costs for care and maintenance. Experience shows that the installation costs are between € 250 and € 1,000 per square meter, but can also deviate from these figures depending on the project and planning. The maintenance costs are between € 10 and € 40 per square meter per year, but also depend on the system, size, structural conditions and technology.
Regular maintenance work is recommended during the growing season. The work to be carried out regularly includes:
Pruning plants
Removal of dead plant material
Replacing plants that have died
Ensuring windows, downpipes, air vents etc. are kept clear
Maintenance of climbing aids
Maintenance of irrigation and fertilization equipment
Protecting the irrigation system from frost (in the autumn)
Regular maintenance ensures the long-term effects of the green facades and protects the investment at the same time. Automated irrigation systems can minimize the maintenance effort and maintain the benefits. The regular maintenance work mentioned above can be conducted regularly by the companies in our group.
Planning a project or have questions about our services? Send us a message – we usually respond within 24 hours.
