With the Project:
Climate energetically active areas STERED ® based on circular economy
STERED® is a registered trade mark of a new insulation material for construction purposes produced on the basis of patented mechanical recycling of the synthetic textile material used in the automotive industry. The recycled product is used on conventional, purpose-built areas such as roofs of residences, office buildings, production and storage halls. These surfaces are converted into so-called 'climatic, energy-active areas' that are characterised by their repeated ability to retain rainwater and allow it to evaporate. The surfaces become energy-active in that the energy from the environment is consumed to evaporate the water, thereby cooling the buildings.
The economic and social growth of the automobile industry in Slovakia brought about many advantages as well as disadvantages. The industry has witnessed an increase in the amount of automotive waste sent to the landfills and an expansion of the built-up area that in turn reduced the ability of the ground surface to retain rainwater as it is covered by concrete. To make matters worse, there is a limited implementation of technologies for the recycling and recovery of synthetic textile waste.
The new STERED® technology is a remedy for automotive waste as well as water expansion and retention problems in urban built-up areas. It has proven to be an innovative and exceptional product for repeated water retention and evaporation applications and is suitable for the creation of climatic energy-active areas. One m3 of water evaporated consumes up to 650 kWh of energy from the surrounding space, a technique that helps to cool buildings. At the same time, the recycled material can be used not only to withhold rainwater, but also for grey water. The technology makes it possible for the waste 'vehicle textile' material to have a longer lifespan and not end up in landfills.
The ability of repetitive water retention and water vapour resistance is an innovative aspect of the recycled material. Climatic energy-active areas created using the recycled material act as an active energy absorber that cools the ambient air, increases air humidity and reduces heat transfer through the roof and cladding, thereby reducing the need for cooling in buildings. This kind of active vegetation roof has an evaporation capacity of 2-8 l of water per m2 and day while its cooling capacity can reach 1.3 - 5.2 kW per m2 and day to ensure a reduction in heat transfer through the roof cladding.
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