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    News

    7 Sustainable and Financial Reasons to Install a Green Roof

    September 5th, 2023

    Climate change is no longer something that people can deny. The extreme weather phenomena seen and experienced by many worldwide are becoming more catastrophic as time passes. This concern is now driving many industries to find more sustainable solutions to try and turn the tables around before it reaches the point of no return.

    Many experimental innovations in the construction industry are now developing answers to some of the pressing concerns of climate change and global warming challenges. Installing green roofs is one of the best answers that the industry has in tackling these challenges.

    Sustainable construction is becoming more popular among property owners and city planners for reasons other than carbon reduction. There is often a monetary benefit, especially with green roof systems. Green roofs offer significant energy savings that can lower expenses elsewhere, in addition to possible tax benefits or subsidies.

    With that in perspective, here are seven reasons for property owners and developers to choose a green roof for your next project:

    #1. Improves Stormwater Management 

    Asphalt and concrete in densely populated urban areas hinder rainwater from soaking into the ground, resulting in sewage overflowing, floods, and deteriorating water quality. Green roofs effectively address these issues by holding up to three-quarters of an inch of rain and keeping it from running off or, in some instances, increasing the time it takes for the water to runoff from the roof. Green roofs cut runoff by roughly two-thirds on average.

    #2. Reduces Heat Island Effect in Urban Areas

    Cities have a lot of paved surfaces that collect solar energy and re-radiate it as heat, raising the surrounding air temperature. The heat island effect is a phenomenon in which the temperature in city areas is often greater than in adjacent rural areas.

    Green roofs may decrease the heat island effect by covering the roof surfaces with vegetation that soak up heat. They also utilize radiation from the sun to evaporate water from the growing media and transpire moisture from the plants. Evapotranspiration decreases the temperature on the roof by evaporating water using heat from the air.

    #3. Extends Roof Life

    By shielding roofing components from direct ultraviolet light and harsh temperatures, a green roof can extend the life of a roofing system. As a result, the roof structure may require less maintenance, sparing the owner funds on roofing system maintenance expenses over the long run. 

    When compared to a regular roof, a wellโ€“maintained green roof can extend the number of functional years before it needs replacement, offsetting some of the additional installation expenses. Typically, it would be best to have some speciality roof hatches to provide an entry point for your personnel and equipment to enter the area for maintenance.

    #4. Provides Additional Insulation

    Heatโ€“absorbing roof surfaces (typically dark in colour) puts more strain on mechanical components, making it harder to cool a structure effectively. On the other hand, a green roof lowers the roof’s heat, which cools the building. Its additional layers also act as insulation. 

    It reduces the heat that enters the building, lessens cooling demand, and provides modest insulation during the hot season. Still, it does not substitute the need for further thermal insulation.

    For the full original article, please click here.

    Wallbarn