Green Roof Temperature Difference

A roof garden is a similar technique that places container gardens on a roof.

Green roof temperature difference.

For instance in a comparison study it has been proved that the indoor mean air temperature reduced by using green roofs about 2 6 2 and 1 4 c for athena la rochelle and stockholm respectively. A green roof is the practice of growing vegetation directly on a roof over a waterproof membrane. Green roofs can increase a building s marketability. Comparative studies show that effect of green roofs on air temperature is more significant in hot climate.

Both may feature recreational facilities or commercial facilities such as a rooftop cafe. Both techniques may partially or completely cover a roof. At this level well prospering gr4 still showed a slight warming effect during the day with highest average value reaching 0 5 c in the morning. An extensive green roof can reduce sound from outside by 40 decibels while an intensive green roof can reduce sound by 46 50 decibels peck et al.

The rooftop temperature results from two different properties. Green roofs have excellent noise attenuation especially for low frequency sounds. 1 2 in addition green roofs can reduce building energy use by 0 7 compared to conventional roofs reducing peak electricity demand and leading to an annual savings of 0 23 per square foot of the roof.