Lesson 6: Sustainable municipal building protection

Sustainable building protection solutions for a better quality of life

Flat roofs, terraces and balconies offer valuable potential for environmental, climate and health protection in your municipality. Green roofs, terraces and balconies in combination with photovoltaic systems improve the urban climate, promote biodiversity and contribute to local energy generation. Sustainable protection of green flat roofs with PV systems preserves the building fabric, extends the service life of buildings and reduces operating costs in the long term.

On (roof) terraces, balconies and in the interiors of residential and commercial buildings, impact sound insulation and vibration insulation made from recycled materials (such as tyre rubber granulate) make an important contribution to quality of life and health protection.

Sustainable municipal building protection means:

Dual utilisation of roof surfaces: Examine the combination of photovoltaic systems and green roofs
Choose sustainable protective materials: Use recycled rubber mats for long-lasting building protection
Ensuring living comfort: Integrating sound and vibration insulation into planning
Reduce maintenance costs: Avoid premature wear with suitable protective layers
Utilise funding opportunities: Include climate protection programmes for municipal construction projects

A Video presents ideas for the sustainable building protection of green flat roofs with PV systems.

Administrative assistants check funding programmes, organise tenders and monitor compliance with sustainability standards in municipal construction projects. They coordinate between planning offices, construction companies and building management and thus help to ensure that areas and roofs are optimally utilised, buildings are protected and operating costs are reduced in the long term.

Learning objectives of this lesson:

Advantages of sustainable building protection systems
Possible applications of photovoltaic systems and green roofs on municipal buildings
Integrating sustainable materials and recycling solutions into construction projects
Identify funding and savings opportunities for municipalities

Checklist: Building protection in our community

The first task in this lesson is to assess the sustainability of building protection for a current building project in your municipality. The relevant aspects of building protection should be recorded, assessed and taken into account in municipal planning.

TaskUse a checklist to check whether the key criteria of sustainable building protection have been taken into account in the project in your municipality. Enter "Yes", "Partly" or "No" for each question. Add specific examples or ideas for improvement from your own municipality.

Where do you think there is potential for improvement? Discuss the checklist in small groups and draw up three concrete proposals for optimising sustainable building protection in your municipality.

Teamwork: oases of calm above the rooftops of the city

Peace and quiet is a basic need and of great importance in this day and age. Effective impact sound insulation increases the quality of life, while effective vibration decoupling creates a pleasant living and working environment. With special building protection mats made from recycled material, sustainable impact sound insulation can be installed on roof terraces, balconies, loggias and arcades in accordance with DIN 18531.

ScenarioImagine you work in your city's building department. A new roof terrace is planned on an administrative building - as a place for employees and guests to relax. Balconies and pergolas are also being built for a new local authority housing project. Find solutions that provide more peace, sustainability and quality of stay.

TaskAnswer the following questions in small groups:

Why is good impact sound insulation on external surfaces such as roof terraces or arcades important - ecologically, socially and economically?
What are the advantages of impact sound insulation made from recycled material compared to conventional building materials?
What is meant by the term "vibration decoupling" - and why does it contribute to a pleasant living and working environment?
Where could such impact sound insulation be used in your municipality? Name two specific locations and give reasons for your suggestion.

Learning objectives:

Why impact sound insulation contributes to the quality of life in cities
Name the advantages of recycled material
Identify sensible locations in your municipality
Considering sustainable building concepts in municipal projects

Practical workshop: Suitability of municipal roofs for green roofs and photovoltaic systems

Many municipal buildings have large roof areas - an enormous potential for more climate protection, energy generation and biodiversity. In order for photovoltaic systems and/or green roofs to be implemented sensibly, a careful inventory is required.

TaskSelect two buildings in your municipality (e.g. town hall, school, daycare centre, sports hall) and check the suitability of the roofs for photovoltaics and green roofs. Pay attention to the following criteria:

Surface area and statics: Is there enough space? Can the roof and substructure support the additional weight?
Alignment and inclination: Is the roof orientation favourable for a PV system?
Condition of the waterproofing: Is there a need for renovation before utilisation is possible?
Utilisation potential: What advantages would a green roof have (e.g. cooling, retention of rainwater, promotion of biodiversity)?

Derive the necessary protective measures from your analysis - for example, the use of building protection mats made of recycled material to secure roof waterproofing and extend its service life.

Record your results in a checklist or table and present them to the class.

The Solar cadastre NRW contains suitability forecasts and calculations for individual roof areas as well as planning information for the realisation of PV systems.

Application: Sustainable maintenance methods for PV systems

The regular maintenance of photovoltaic systems on flat roofs in your municipality places special demands on the roof structure. Maintenance paths must be clearly visible, slip-resistant and permanently functional - without damaging the sensitive roof waterproofing.

ScenarioYou work in the building construction department of your city. A photovoltaic system is being installed on the roof of a new administrative building. To ensure that the system can be maintained regularly and safely, special non-slip and weatherproof maintenance paths must be installed on the flat roof - without damaging the sensitive roof waterproofing.

TaskPrepare (alone or in small groups) a recommendation for suitable solutions - sustainable, durable, safe and economical. Find out about possible solutions and answer the following questions:

Why are simple gravel or concrete solutions often not sufficient for maintenance paths on flat roofs with PV systems?
What advantages do maintenance plates made from recycled rubber granulate offer over conventional materials?
What does this mean: The panels fulfil the requirements of "hard roofing"? Why is this important for fire protection?
How does the colour coding according to trade make orientation on the roof easier?

Video: Advantages of rubber granulate slabs compared to concrete slabs

Online tool: Calculation of plate requirements for maintenance routes

Quiz: Sustainable municipal building protection

In a quiz, you can test your knowledge of the advantages and possibilities of sustainable municipal building protection in a fun way. We have prepared ten questions. Several of the four alternative answers can be correct.

Task: Select the correct answer(s) for each of the ten questions. The quiz can be completed individually or in groups. Who is the building protection champion?

Certificate of participation for pupils and trainees

You can issue students and trainees with a certificate of attendance to document their successful participation in the eight lessons. The Free template for the certificate can be requested here without obligation.

Free sample pack with teaching material to accompany your lessons

To better convey the lesson content in class, you can free of charge and without obligation request a sample pack with material samples, information brochures and demo products.

The package contains samples of coloured rubber granulate, samples of high-quality recycled products made from tyre rubber granulate and a sample box with samples of sustainable floor coverings for roofs.

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