Green roofs: gardens of the top of your house

For centuries, green roofs have been the perfect choice to cover with vegetation the top of houses or buildings. Ospinas tells you why this is not only environmentally friendly but also in positive to a better quality of life.

If you are considering getting a new home, green roofs can be a good choice to decorate your property and, incidentally, help the environment by having plants on its surface, which help reduce pollution and have a positive impact by contributing to a sustainable urban development.

One of the great examples of green roofs can be traced back to the Hanging Gardens of Babylon, one of the Seven Wonders of the World, which was built in the year 500 B.C. approximately. The trees and plants were planted on the surface of the structure, giving the building the appearance we know today.

These are some of the advantages of having a green roof at home:

– They regulate the temperature, because they isolate the heat during the winter and keep cool the atmosphere of the common areas of your home.

– They reduce the risk of flooding by containing 80% of the water in the rainy season.

– They can function as urban gardens if they have a special treatment.One square meter of grass holds up to 130 grams of powder per year and generate the necessary oxygen that a person needs to live for a year.

– The isolate noise.

– The generate dew on the environment.

– They add green spaces to urban areas with high occupancy.

Structure of a green roof

To prevent damages or leaks on the ceilings, it is necessary to consider a proper installation, which consists of five layers:

1. Waterproofing membrane that prevents the leakage of water and moisture formation.

2. Cover roots.

3. Layer for filtering and draining water that stops the passage of solids.

4. Space for plant growth.

5. Topsoil with flowers and grass.

Such instalations require the concept and the intervention of an expert. Therefore, before making any decisión, seek the advice of a specialist, who should consider, among other details, the degrees of inclination of the surfaces and weight that the vegentation would add to the house.





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