Green roofs: more than a trend


Have you heard of green roofs but never spent much time exploring this? This is one of the solutions we most recommend to our clients when they are looking to renovate and give new value to buildings’ role in urban planning when structures are prepared to receive the overload generated by this system.


They have been gaining popularity in recent years considering the numerous economic, social, and ecological benefits.


Keep reading the article and discover the main advantages of this integrated system.





What is a green roof?

It is not new that the pandemic situation in which we live has changed many behaviors and accelerated some changes that were already being introduced in the construction sector. One of them was precisely the investment in green roofs on existing buildings.


Green roofs are composed of a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly inclined roof.


Far beyond the visual impact, this solution allows the reduction of temperatures on the roof, helping to cool the building and the surrounding urban environment. Additionally, it helps filter the air, collects and filters rainwater, and contributes to biodiversity.


Well-being and quality of life are also two very important factors that motivate building owners to intervene in the edified environment through this solution.

As a response, Prudêncio proposes a comprehensive solution, from the waterproofing system, insulation and drainage to the design and implementation of the garden or green space.





Main advantages

Yes, it is possible to enjoy the pleasure of contact with nature in a house inserted in an urban and agitated environment. 


Green roofs have numerous advantages and benefits that easily put aside any kind of doubt and hesitation you may have. Let’s get to it?


Learn about the main advantages of this solution:



  • Improves thermal insulation and energy savings:
    Green roofs are one of the most effective ways to reduce the ambient air temperature in urban areas, increasing the insulation and energy efficiency of the building. In the summer, urban buildings are subject to higher temperatures than in rural areas because, like roads, they absorb a good deal of this temperature. But with the installation of green roofs this scenario is easily reversible compared to traditional roofs, helping to combat the Heat Island effect in large cities. On the other hand, in winter it helps to minimize heat loss through the insulation.
    This solution allows not only the reduction of energy flows from the outside, but also provides greater comfort and a noticeable reduction in energy costs.


  • Improves acoustic insulation:
    This solution can absorb up to 30% of environmental noise pollution.
    The vegetation layer and the design of the system itself effectively absorb and insulate ambient and impact noise levels produced by hail, rain, movement of people or furniture.


  • It increases life expectancy:
    Roofs are continuously under attack from natural elements over the years such as wind, heavy rains but also ultraviolet light and temperature variations. As such, this alternative helps protect waterproofing membranes and other materials from UV and IR rays, ozone as well as punctures, and physical damage. In addition, they protect the building from extreme temperature variations, extending its service life and limiting the possible need for costly maintenance for decades.


  • It improves urbanism and living space:
    Green roofs add aesthetic value but also provide a habitat for plant and animal species. The creation of these spaces encourages the return of nature to the city, inviting birds, butterflies, and other fauna to create a new habitat on the roof. On the other hand, they offer residents an extension of space for cultivation, leisure, or relaxing activities, promoting physical and mental health and human productivity.


  • Improves air quality and urban climate:
    Often under pressure from their lack of vegetation, urban areas are subject to a greater accumulation of carbon dioxide and other harmful pollutants. Green roofs help filter and absorb pollutants and emit oxygen, improving air quality. They also make possible the gradual release of humidity that contributes to improved air and balanced ambient temperatures.


  • Greater water savings and less load on urban drainage networks:
    Green roofs also have a great influence on cost reduction and water savings due to the low or no need for rainfall capture cisterns and the absorption of large amounts of rainwater by slowing down its runoff. This retention capacity helps to reduce the flow and pressure on the pipes and the consequent risk of flooding or overflowing of the networks. It also promotes water savings by decreasing irrigation cycles and helps prevent accidents caused by heavy rains.



Solutions that ensure comfort, sustainability, and functionality

Are you looking for professional advice for your project but don’t know where to start?


Committed and very attentive to detail, at Prudêncio you will find efficient and comprehensive solutions for the rehabilitation of all types of roofing.

Contact us.



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