Roof Garden Drainage Layer

Pir panels are well suited as a layer of insulation on the roof garden as they have special grooves and milled edge connections that allow rainwater to pass to drainage systems easily.

Roof garden drainage layer.

A 25 mm layer of coarse washed sand is positioned on the geotextile in intensive green roof systems before the addition of lightweight growing media. Drainage is installed as a continuous layer over the entire surface of the green roof. Roof garden employs a multilayer system including a waterproof membrane drainage layers geotextile layer specialised soil medium soil stabiliser and a selection of appropriate plant species and varieties that best tolerates the often extreme environmental conditions found in a rooftop setting. A filter fleece separates the drainage layer from the roof garden substrate in a green roof structure.

Drainage layers are used to provide a roof drainage system when installing a green roof. Bauder sdf drainage layer material of the drainage layer polyamide monofilament weight of the drainage layer 400 g m. Within the roof garden it is useful to store as much rainwater as possible to reduce the need for additional watering. Grs extenduct is a 40 recycled drainage core in a waffle pattern with a geocomposite fabric bonded to the top side.

The design creates an open and continuous flow path even under high loads. Planning a green roof. It prevents small soil particles from filling the drainage layer and so the water buffering function of the drainage layer remains intact for longer. Protection drainage and filtration.

Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions. Cup style drainage sheets should be overlapped to eliminate the possibility of gaps being created between sheets. Prevents fine particles in the growing media from entering and causing clogging. The water is stored across the roof area and reaches the plants by capillary action and diffusion.

The geotextile also acts as a capillary wick when positioned onto versidrain 25p in extensive green roofs. The floradrain fd 60 neo drainage element allows very high water retention suitable for all aspects of diverse roof gardens. Storm water management for sedum and wildflower green roofs. The filter fabric top layer prevents clogging from the growing media and the waffle entanglements sit directly on the root barrier.

Other plastic drainage types should have adjacent sheets butted together. Buy green roof drainage systems from 9 50. Sedum supply have two types of drainage layer 12mm and 20mm. A green roof can help turn the ordinary into something really unique.

Grs extenduct 2 includes an additional geocomposite fabric bonded to.