The most common root barriers used are thin polyethylene sheets laid over the waterproofing membrane.
Green roof aeration layer material.
As the market for green roofing develops the proper design and understanding of green roof components is imperative.
Also the green roof drainage layer material is made to be sturdy and strong so that piercing can be limited and that the integrity of the entire program can.
They can also provide additional functions for the green roof other than just drainage.
It also acts as a filter fabric preventing fine particles from being washed out of the substrate soil ensuring.
It is made of a filtration veil and the polyamide monofilament fibre network layer.
Root barriers are often used in green roofs to provide some protection to the waterproofing from invasive stolons rhizomes and from woody roots from trees and shrubs.
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.
Drainage layer the green roof drainage layer provides you with a way to ensure there is nothing getting through and that excess water is drained away to avoid any waterlogging or increase in weight on the roof.
The root resistant filter fabric prevents roots from affecting the efficiency of the drainage aeration layer.
The drainage layer can be created using different lightweight aggregate materials such as gravel clay tiles and lava rock.
They can also be used to increase the size of the root growth zone and provide space for an aeration system.
Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions.