The use of proportion in green roofs and walls varies based on the size and scale of the installation, as well as the desired aesthetic and functional goals. In green roofs, proportion is typically related to the amount of green space relative to the total roof area. For example, some green roofs may be designed with a larger percentage of vegetated space, while others may incorporate more hardscape elements such as paths and seating areas. The proportion of soil depth and plant types may also vary depending on the intended use and environmental goals.
In green walls, proportion is often more focused on the overall visual impact of the installation. The proportion of vegetation to wall surface area, for example, can vary greatly depending on the desired aesthetic effect. Some green walls may be designed with a more sparse and minimalistic appearance, featuring a small amount of plant material arranged in an artistic pattern, while others may be densely planted with a variety of species for maximum ecological benefit. Other factors that can affect proportion in green walls include the type and quality of growing medium, the irrigation system, and the availability of sunlight and other environmental factors.
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