Green Roof Drainage Membrane

Manufactured from premium hdpe it provides a drainage layer and filtering layer all in one membrane.

Green roof drainage membrane. Green roof drainage storage membrane 20mm cavities. They are planted over a waterproofing membrane often consisting of layers including drainage systems irrigation systems and root barriers. Green roofs are found on buildings that are either partially or completely covered by vegetation like grass plants or even small trees. Manufactured from hdpe it acts as a drainage layer and high volume water storage membrane for green roofs.

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

Permaseal 20p is a high quality green roof membrane. 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. All three types of roofs require specific layers of roofing materials not found on regular roofs.