Green Roof Drainage Membrane

Sub surface run off must drain efficiently from the substrate into the drainage layer off the roof.

Green roof drainage membrane.

Green roofs are only as green as the materials from which they are constructed. 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.

Good drainage is criticalfor green roofs and ensures that large amounts of water are not retained on the roof compromising both the structural integrity of the building and plant health through waterlogging and oxygen depleted substrates. Manufactured from premium hdpe it provides a drainage layer and filtering layer all in one membrane. Manufactured from hdpe it acts as a drainage layer and high volume water storage membrane for green roofs. Oldroyd green roof drainage membranes safeguard europe ltd.

Permaseal 20p is a high quality green roof membrane. Permaseal 8 green roof is a high quality green roof membrane ideal for creating an attractive and healthy green roof. Green roof drainage storage membrane 20mm cavities.