Green Roof Drainage Membrane

Permaseal 8 green roof is a high quality green roof membrane ideal for creating an attractive and healthy green roof.

Green roof drainage membrane.

Manufactured from premium hdpe it provides a drainage layer and filtering layer all in one membrane. The drainage layer is installed over the waterproofing membrane to remove excess water and prevent saturation of the growing medium. It can be used in both extensive and intensive green roof systems on houses sheds garages and larger commercial projects. 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.

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. Permaseal 20p is a high quality green roof membrane. They are planted over a waterproofing membrane often consisting of layers including drainage systems irrigation systems and root barriers. 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. Green roof drainage membrane 40m. Manufactured from hdpe it acts as a drainage layer and high volume water storage membrane for green roofs.