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The countryside is moving into the city. A slight exaggeration maybe, but it is a fact that green walls and roofs are becoming increasingly common in the urban environment.
A roof covering of moss, sedum, herbs or grass not only makes a colourful addition to the concrete jungle, it also has a positive environmental impact. As well as the plants absorbing rainwater that evaporates back into the atmosphere, green roofs also dampen the sound level, save energy, reduce the temperature and have air purifying properties. It is a fact that a 10 m2 roof surface of dry vegetation absorbs as much carbon dioxide as a tree.
And let’s not forget biodiversity. Green roofs attract bumblebees, butterflies and other valuable insects, not least bees that play a crucial role as pollinators for agriculture, gardens and flower meadows. Bituminous membranes are used in order to protect the construction from water and roots growing through the material.
The world’s third most widely used synthetic plastic polymer, polyvinyl chloride (PVC), is used in a large variety of construction materials as well as in many other applications such as bottles, packaging and inflatables. By using Nynas naphthenic oils as an external lubricant additive in PVC, the material’s performance is significantly improved.Read more about A versatile material
It is important to have both incentives and clear requirements to drive developments forwards and to make sure that the industry is making a positive contribution to sustainable development.Read more about Sustainable development driving innovation