Green Roofs and Rooftop Gardens

The Benefits of Green Roofs and Rooftop Gardens

Green roofs and rooftop gardens are increasing in popularity across Colorado and the United States, as urban dwellers seek to feel more connected to nature. They are beneficial for many other reasons, causing some municipalities to begin to require their inclusion when an existing roof is replaced. In fact, in November 2017, Denver voters passed a green roof initiative that requires the addition of some type of reflective roof or a form of green infrastructure. What are the benefits and why might you consider installing a green roof or rooftop garden on your commercial property? Read on to learn more.

Building a rooftop garden

Why Construct a Green Roof?

Rooftop gardens and green roofs provide a space where individuals can have some contact with nature in a place that it might be hard to come by, such as a large city. According to studies done in Landscape and Urban Planning Journal, “Nature experiences, including walking, relieve anxiety and negative effects of stress in adults and are associated with greater emotional well-being in children.” Non-profit organizations, such as Come Alive Outside, work with healthcare, public health, outdoor recreation and landscape profession partners to help get people outdoors in communities across North America.

Here are some additional benefits of rooftop gardens and green roofs:

Benefits of Rooftop Gardens

What Goes into Building a Rooftop Garden?

There are many factors to consider when constructing a green roof. Here are some of the largest:

Getting Materials in Place

The first and main factor when installing a rooftop green space is getting material into position for the job. In most cases this is accomplished using a crane or telescopic forklift (depending on how many floors the building contains). Safety is very important in this process, so only having the most qualified personnel with proper training and certifications is of the highest importance.

Specialized Materials

Rooftops are often uneven surfaces that require specialized materials to make them an inviting outdoor living space. Six to 7 layers aid in waterproofing the area and protecting the building. Rooftop pavers are placed on a pedestal system to allow leveling of the space over the top of drainage and HVAC systems. Many of these pavers include the reflective quality required for LEED certification and to satisfy green-roof initiatives.

Plant selections should be made with careful consideration. If your rooftop is lacking in shade, plant material should be full-sun friendly. Since limited growing space is available, plants should be those that thrive without having to root deeply.

Irrigation

Another important factor in building a rooftop garden is the planning of the irrigation system. With irrigation pipes being exposed to freezing temperatures on the rooftop, draining the system regularly and winterizing it is necessary to keep the system functioning properly. Regular checks of the system are critical because small leaks can accumulate water on the rooftop and cause major water damage to the building’s infrastructure.

Interested in learning more about adding an eco-friendly rooftop garden to your commercial property? Timberline Landscaping has an experienced and capable construction team comprised of highly trained individuals that can help plan and execute your plans for a rooftop garden. Fill out the contact form below to be connected with our commercial estimators.

Contact Us

Timberline Landscaping, Inc.
8110 Opportunity View, Colorado Springs, CO 80939
(719) 638-1000

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