The Functions Of Each Layer Of A Green Roof

The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support.

The functions of each layer of a green roof.

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. Following is brief information about each layers function. Every green roof layer is different from other. To make this process work various green roof layers are created to give it the most effective and solid chance of being.

Each of these layers performs a specific function to keep the plants alive and to protect. You must understand each layer so to know what function that it actually performs. In short a green roof is made to purposely grow grass. However the difference between green roofs and an actual green roof is that a green roof comes with various layers.

Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof. Simpler shallower cheaper green roofs with limited variety of plants are called extensive green roofs these systems are easy to install require little to no maintenance or irrigation and weigh the. Types of green roofs. It also has plants and the like on top.

This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value. Knowing about green roof layers. By alan burchell rubyana lyon green roof mar 3 2017.