![]() Growing specific plants on urban rooftops even aids the pollinators, DNA samples collected from Best Bees honey have shown that urban bees pollinate eight times more species than suburban bees. Urban Agriculture: Green rooftops help make our cities more resilient, and even present innovative ways to grow food.Noise Reduction: According to LivingRoofs, green roofs with a 12 cm substrate layer can reduce sound by 40dB and one of 20 cm by 46-50dB, but the level of noise reduction is dependent on the depth of the overall system.Green roofs help create jobs relating to manufacturing, plant growth/maintenance, and more in local communities. Local Job Creation: With a new vegetation space comes the need for more talented individuals who know how to effectively maintain it.New Amenity Spaces: For businesses and residential spaces, transforming your rooftop from gray to green even offers a new space for your community to engage with each other without having to exit the building itself.Moderation Of Urban Heat Island Effect: Simply put, plants help cool down our cities during those hot summer months and can even decrease the amount of CO2 we’re putting into the air.Stormwater Management: Thanks to the multiple layers and the vegetation on green roofs, rainwater becomes more retained and the possibility of stormwater runoff reduces as well.There are even opportunities for businesses to create green roofs with recycled materials. Waste Diversion: A green roof can help deter additional waste from landfills by giving a longer life to the waterproofing membranes.Having a green roof can lend itself to a variety of LEED credit categories, including energy and atmosphere, water efficiency, and materials and resources. Certifications: For businesses looking to strengthen sustainability initiatives, green roofs prove to be a valuable investment.It is also important to note that creating green rooftops with moss or grasses has a tendency to dry out, which can lead to a potential fire hazard. While fire retardation is not guaranteed, experts recommend incorporating 60% of a roof’s vegetation from the sedum family of groundcover plantings. Fire Retardation: With lush vegetation present on rooftops, there is an opportunity to design green roofs that are fire-resistant.Ultimately, green roofs help ensure that the cost of repairing these structures over time remains low. Increased Roofing Membrane Durability: Similar to any roof, an increased presence of rainwater can lead to a deterioration of the roof over time, but with a green roof, the added layers help decrease the exposure of waterproofing membranes to large temperature fluctuations, which can cause micro-tearing, and even ultraviolet radiation.Simply put, green roofs are beneficial in an economic, social, and environmental sense, and these benefits include: Economic Green roofs provide a variety of benefits for structures, the environment, and the communities that host them. Each of the layers plays a crucial role in not only protecting the building they are on top of but also supporting the greenery that grows there. Green roofs consist of multiple layers on top of a building, including vegetation, growing medium, filter membrane, drainage layer, waterproof/root repellant layer, roofing membrane support for plantings above, thermal insulation, vapor control layer, and structural roof support. Green roofs in urban cities all over the world have a variety of tangible and intangible benefits that positively affect our communities and environment. ![]() What is a green roof and how do they work?Īccording to, a green roof is an extension of an existing roof that you may see on any building, but it involves high-quality waterproofing, a root repellent system, a drainage system, a filter cloth, a lightweight growing medium, and plants. ![]() How do Green Roofs support Pollinators?.10 Beautiful Greem Roofs across the US.Costs of Installing and Maintaining Green Roofs.Estimating the Environmental Effects of Green Roofs.Problems and Disadvantages of Green Roofs.What is a green roof and how do they work?.
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