What Are The Benefits Of A Green Roof?

What Are The Benefits Of A Green Roof?

What Are The Benefits Of A Green Roof?

There are many benefits to a green roof;

1. Make improvements to the drainage system.

Sustainable drainage is vital to any structure because it prevents floods in heavy rain. Water has traditionally been controlled through a network of pipes connected to the sewage system. However, up to 75% of water runs into metropolitan areas as urbanization increases.

Global warming isn’t helping either, as the risk of floods has increased across the UK. Green roofs are an excellent way to combat this problem. Water is held in plants and substrates before being naturally released into the environment.

2. Extend the life of the roof.

A rooftop is constantly under siege from the elements and has a lot to deal with yearly. A roof must withstand wind, rain, UV radiation, and temperature fluctuations. As a result, it’s typical for households and companies to explore a different roof choice.

Green roofs provide this potential and have been shown to increase or even quadruple the life of your roofing. The vegetative barrier protects the waterproof membrane below, extending the life of your roofing for decades.

3. Improving thermal performance

Thermal performance is undoubtedly one of the most advantageous benefits of a green roof, and it’s amazing how much of a difference it can make. Poor insulation is one of the most serious issues a normal roof faces, resulting in significant heat loss and stifling conditions in the summer.

With the help of a green roof, all of this changes. By installing a green roof, you may enhance energy efficiency while limiting the need for air conditioning.

Plants absorb the sun’s energy, lowering the temperature of the roof in the summer and increasing thermal efficiency in the winter by trapping heat within.

4. Contributing to environmental protection.

Carbon dioxide emissions are a major contributor to global warming, and the government has been entrusted with fulfilling severe EU standards by 2020. Green roofs are perfect for accomplishing this. According to the UKQBC, buildings account for 44% of total CO2 emissions.

Like the argument made above, green roofs lessen the demand for air conditioning while requiring less heat in the winter. Both air conditioning and heat generation produce CO2.

5. Providing habitat for animals.

Green roofs also benefit animals and, as a result, may produce a healthy ecosystem. While they will not immediately replace ground habitats, they are ideal for attracting birds and other species, resulting in a vibrant eco-friendly ecosystem.

The sort of flora incorporated in each green roof will support a variety of ecosystems. According to a study of 11 green rooftops in Switzerland, there are an amazing 172 different species.

6. Improving air quality.

Air pollution is still a major problem in the UK, with an estimated 24,000 people dying from it each year. As one might think, air pollution is a major issue in metropolitan areas, particularly in larger cities like London and Birmingham.

How Thick Does A Green Roof Need To Be?

The growing medium layer on G-1 extensive green roofs is substantially shallower, often ranging from 3 to 6 inches deep. The growth medium layer on G-2 intensive green roofs is 6 to 48 inches deep, the most common being 8 to 12 inches.

The growing medium layer for G-3 extensive green roofs is typically 12 to 48 inches deep, the most common being 16 to 24 inches.

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