Environmental Benefits of a Roof Garden

Estimated read time 6 min read

Planting within cities is nowadays widely recognised in an effort to improve quality of air and reduce overall heat, but insufficient space and overpriced land helps it be difficult to improve the amount of parks and natural space. This is when rooftop gardens enter into the picture and is why they have grown to be more and more popular over recent years, particularly in larger plus more developed cities.

Rooftop gardens look good, have a great view, and provide a good and quick way to take pleasure from a quiet retreat in the heart of the town. But beyond their decorative benefits, there are a great many other impressive and important benefits to building rooftop gardens.

Countries such as France, Switzerland, and Canada have all passed laws regulating and demanding that new commercial and residential buildings have at least a partly green rooftop. In Australia, although we’re still catching up with North America and Europe, incorporating green roofs to buildings can be an initiative that is around for some time, as can be seen in this set of Australia’s best verticle and rooftop garden Singapore.

This article can look at a few of the benefits associated with rooftop gardens, so you can see by yourself how amazing this architectural and environmental initiative is, and why it ought to be present in every building or home around the world.

Imagine you’re at the job as well as for your lunch time break you choose to leave any office. You take the lift up to the best floor only to emerge in a beautiful park with incredibly privileged views. Doesn’t sound too bad, can it? Rooftop gardens provide connection with nature in places where that has been a lttle bit of an extravagance, such as in big crowded cities.

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According to a report by the University of Exeter Medical School, having regular connection with nature and green spaces in cities can help keep you mentally healthy and aid with your current happiness.

In addition, due to decreased pollution levels and the upsurge in water and air quality provided by rooftops, demands for healthcare and stress could be reduced.

Less stress levels also mean happier and much more productive employees and therefore easier employee recruitment for companies.

Rooftop gardens donate to the reduction and filtering of polluted air particles and gases, not only through the plants and the photosynthesis process but also by deposition in the growing space.

Green roofs also may help decrease the distribution of dust in the air and the production of smog, which leads to decreasing greenhouse emissions in cities.

It is important to notice, however, the particular one green roof in a city might not exactly have an enormous effect all alone, but larger amounts of roofs in a city might well have a noticeably positive impact.

Rooftop gardens may potentially donate to a reduction in waste, due to helping the materials and technologies found in the building to go longer. This can are the waterproofing membranes used on the roof, and the decreased use of heating, ventilation, and air-con systems.

Rain is free water and energy we get from the surroundings, and rooftop gardens are perfect to make the almost all of it.

Plants on green roofs use the rain immediately, and sometimes the excess is stored such that it can be used later. In summer, rooftop gardens can retain up to 80% of rainfall while in winter this is up to 40%. Following the water is utilized it it is returned to the atmosphere through transpiration and evaporation.

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Plants in rooftops not only retain rainwater but also help to moderate its temperature, acting as natural filters for any water that runs off the building. The chances of water runoff, however, is also decreased by rooftop gardens, reducing the impact this may have on metropolis and the possibility of local flooding.

One of the most impressive and important advantages of rooftop gardens is that they positively affect the Urban Heat Island effect.

The UHI concept is based on the increased temperature levels within virtually all urban areas. As the sun warms up concrete faster than it can plants and trees, and because concrete is more loaded in cities, metropolis becomes a big hot-aired area (heat island) throughout the year. This makes cities extremely hot in summer, resulting in an increased use of ac units and other cooling technologies.

This effect decreases with the more green spaces we incorporate in a city. Throughout the daily evaporation cycle, plants have the ability to cool down entire cities, reducing the UHI effect. Moreover, the plants themselves will be covering what could have otherwise been a concrete rooftop, one of the primary factors behind UHI itself.

Rooftop gardens can also lead to less and more effective use of energy. They offer great insulation, retaining heat in winter and keeping temperatures cool in summer.

This results in less air conditioning systems being put to work in summer and less heating found in winter, hence the conservation of energy and subsequently money.

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In fact, a report published by the National Research Council of Canada concluded that rooftop gardens can actually modify temperature fluctuations, moderate heat flow through the roof, and reduce the energy demand for air conditioning, especially in the hotter seasons of spring and summer.

With rooftop gardens comes another environmentally friendly and booming initiative – urban agriculture. This calls for using green roofs as miniature farms that actually produce fresh food.

The insulation provided by rooftop gardens not only can be employed to temperatures but also to noise. The combo of soil and plants can help absorb, reflect, or deflect sound waves, providing the building with excellent noise reduction, particularly for low-frequency sounds.

This could be greatly beneficial in decreasing noise pollution in busy cities or areas that can be found near airports or underneath flight paths.

Other than different types of bushes, trees, plants, and invertebrates rooftop gardens can harvest, they can even be a perfect habitat for most birds, and act as a stopover for migrating species, allowing two different type of these to come into contact.

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