Increased life span of the roof and the membrane, by blocking UV rays Possibility to recycle wastewater from a building by routing it to the roof. Green roofs capture and retain between 50 and 100% of rainwater. Reduces ground runoff, sewer back-up, flooding, erosion and drinking water contamination. Reduction of the heat island phenomenon: decrease of air temperature near the surface, up to 16.4 degrees on average. Oxygen production and regulation of thermal air movement through the plants ability to absorb carbon dioxide. of pollutants from the air per year, equivalent to the emissions of 15 cars for one year, in addition to producing oxygen. (93 m2) roof can remove more than 40 lbs. In addition to the undeniable aesthetic and functional aspects, it improves air quality by producing oxygen and capturing more CO2, better controls erosion and has beneficial effects on the health of the population (protection against UV rays, stress reduction, etc.).įiltration of volatile particles from the air: a 1000 sq. In an urban environment, vegetation has many advantages. Roofs covered with sedum have a lifespan two to three times longer than a standard roof covering. In addition, sedum also has an insulating function. The sedum protects the roof against harmful weather conditions such as UV light, humidity and temperature fluctuations. In a sedum roof, it is important to pay attention to the drainage (mats) because the water must be able to drain away sufficiently in case of prolonged rain. Sedum can grow on a special substrate or on the ground. They resist well to a prolonged dry period and they support the heat well. Sedum is a type of succulent plant that can absorb a lot of moisture in its leaves. The advantage of this system is that it is cheaper, lighter and easier to build than an intensive green roof. This type of roof has a much lighter weight than an intensive green roof. Permit and capacity check by an engineer are required.Ī sedum roof is planted with mosses, succulents and spices that do not require much maintenance. Roof load: 200 kg/m² - a modified roof construction is required. Possible on roofs with a slope of 1-4 degrees. Characteristics of an intensive green roof:
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