Green Roof Drainage Membrane

The drainage layer is installed over the waterproofing membrane to remove excess water and prevent saturation of the growing medium.

Green roof drainage membrane.

They are planted over a waterproofing membrane often consisting of layers including drainage systems irrigation systems and root barriers. All three types of roofs require specific layers of roofing materials not found on regular roofs. Manufactured from hdpe it acts as a drainage layer and high volume water storage membrane for green roofs. Manufactured from premium hdpe it provides a drainage layer and filtering layer all in one membrane.

Green roof drainage membrane 40m. Permaseal 8 green roof is a high quality green roof membrane ideal for creating an attractive and healthy green roof. It can be used in both extensive and intensive green roof systems on houses sheds garages and larger commercial projects. Green roof drainage storage membrane 20mm cavities.

To prevent root damage to the waterproofing membrane some manufacturers incorporate a root repellant agent in a roof membrane s formulation and others offer a physical root barrier. Green roofs are found on buildings that are either partially or completely covered by vegetation like grass plants or even small trees. Oldroyd s multi layer technology allows recycled material to be used in the inner core without the loss of performance normally associated with the use of recycled plastic in drainage membranes.