Green roofs not only retain rainwater but also moderate the temperature of the water and act as natural filters for any of the water that may run off.
Green roof christchurch.
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Green roof systems are classified as.
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Reflective roof coatings.
With green roofs the water stored in the substrate and the water retention system is taken up by the plants from where it is returned to the atmosphere through transpiration and evaporation.
Temperatures are cooler in the summer compared to traditional roofs that absorb and retain heat less heat is transferred into the building.
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A reflective roof coating or white roof is the best known and.
Unlike auckland scenarios which took a development approach our goal is to establish a green roof in christchurch from proven materials w ith the intent to monitor the system and provide data to emphasize the effectiveness of green roofs in local conditions.
The layer of vegetation on green roofs act as insulation to moderate temperature changes and the heat that is transferred through the roofs surface.
Christchurch wants to be a garden city and this is one way to get there he.
Green roofs are attractive and cool they support biodiversity and they clean water that falls on them bishop said.
Because of the low rainfall christchurch doesn t have as many green roofs or living walls as some other new zealand cities.