![]() The key decisions are about access and what the roof is to be used for, is it for nature conservation and biodiversity or aesthetics? How will the area be used and how much maintenance will be possible. When constructing a green roof there are some fundemental considerations that determine the system required to support the planting scheme. Noise reduction for the building – green roofs have excellent acoustic qualities for both external sound (up to 3dB) and internal noise up to 8dB).Increased property value – roof usage can be maximised for purposes including leisure, and offers unique potential for replacing the land lost to the building’s footprint.application, particularly if it meets their policies towards providing a sustainable environment Many local authorities favour planning proposals that incorporate green roofs within the.Increased life expectancy of waterproofing membranes when protected by green roof landscaping.Reduced construction costs: no requirement for screed on the deck reducing the overall weight imposed, fewer rainwater outlets, decreased rainwater drainage system capacity and a reduced requirement for storm water attenuation within the SUDs scheme for the site. ![]() Reduces building’s carbon footprint through lowering building running costs.Reduces urban heat island effect (the difference in temperature between urban areas and the surrounding countryside) through absorption of some of this heat and the natural evaporation of water from plants and soil.Improved air quality as vegetation assists in reducing both gaseous pollutants and dust particles.Environmental masking blends the building into its surroundings.Particularly useful within Sustainable Urban Drainage (SUDs) schemes. Soft landscaping helps to reduce the risk of flooding by retaining large proportions of annual rainfall and reducing rainwater run-off. ![]()
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