Green Roof Protection Fabric

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.

Green roof protection fabric. A filter fabric layer on top should separate the aggredrain from the growing media. This geotextile is made of polyester fibres a mixture of mechanically reinforced fibres and regenerated polyester and polypropylene. A green roof system consists of two major groups of components. Green roof systems of this type are drained by a multi layer fabric mat called a drainage mat that combines soil separation drainage and protection functions.

The 6 slotted triangle shape is used beneath the aggredrain layer and allows for water to flow freely. It is able to absorb 3 6 l m moisture depending on the product. The roofing base assembly and a vegetated roof system. Aggredrain is most commonly used at a 1 minimum depth over a moisture retention mat grs mrm 14 or grs mrm 30.

These may not be required if the waterproof membrane is certified as root resistant. The most common root barriers used are thin polyethylene sheets laid over the waterproofing membrane. Root barrier lower filter fabric water retention mat upper filter fabric growing medium and sedum. Green roof solutions protection mats are specially designed needle punched fleece constructed of 100 recycled polyester and polypropylene fibers.

The green roof solutions drainage conduit is a stainless steel channel for use with the aggredrain system. It protects the waterproofing and the insulation of the green roof.