Why Build A Green Roof

Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.

Why build a green roof.

A green roof also known as a rooftop garden or a living roof is a vegetative layer grown on a rooftop. European roofs can last between 30 and 50 years. Two types of green roof exist. Green walls and roofs can reduce temperature fluctuations of roof surfaces.

Green roofs reduce stormwater runoff. The popularity of green roofs has increased in the united states due to their many benefits while pretty green roofs serve a much greater purpose than simple beautification. Extends the lifespan of a roof. Unlike traditional black tar roofs green roofs reduce energy costs by absorbing heat instead of attracting it and.

The layers of a green roof must like any roof accommodate drainage and protect the building from the elements with a waterproof membrane. A green roof that has been properly installed and maintained should extend the lifespan of a roof 2 3 times its normal life. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems. This article provides only a basic overview to get you started in thinking about the requirements for putting together a green roof.

Entire detailed books exist on building and maintaining green roofs. While all green roofs have similar functions each installation is unique so technical performance will vary by region climate building and green roof type and design.