The Functions Of Each Layer Of A Green Roof

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.

The functions of each layer of a green 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. Every green roof layer is different from other. Each green roof is unique as their designs and performance vary by region climate and building type and use. Plant layer is used to provide biodiversity for your roof.

In short a green roof is made to purposely grow grass. 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. By alan burchell rubyana lyon green roof mar 3 2017. Each of these layers performs a specific function to keep the plants alive and to protect.

It also has plants and the like on top. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. You must understand each layer so to know what function that it actually performs. Following is brief information about each layers function.

To make this process work various green roof layers are created to give it the most effective and solid chance of being. However the difference between green roofs and an actual green roof is that a green roof comes with various layers. 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.