Extensive Green Roof Drainage

For a conventional roof.

Extensive green roof drainage.

This multifunctional ce marked drainage system with high compressive strength protects the vegetation from water stagnation while at the same time storing water for dry periods in the built in water reservoir. Extensive vs intensive green roofs. An extensive green roof can add another dimension to a wildlife garden. A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq.

A watertight solid structure lightweight soil medium good drainage and using drought resistant plants are key factors for success. Grs drainage products typically fit into a green roof system above the grs root barrier and below the grs filter fabric. Water saturation due to insufficient drainage can result in leaks and roof damage. Roof garden drainage mats for intensive or extensive green roof s enkadrain products are an essential part for green roof and roof garden drainage.

It is made of a filtration veil and the polyamide monofilament fibre network layer. Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions. 8 to 20 per square foot. Bauder sdf drainage layer material of the drainage layer polyamide monofilament weight of the drainage layer 400 g m.

Versicell is ideally suited for use in intensive green roof systems where load weight bearing capacity and efficient drainage is important. It is a roof of a building or home that is partially to completely covered with vegetation. Xf 3111 synthetic green roof drainage composite. 15 to 50 per square foot.

The heart of the nophadrain extensive green roof system the nd 4 1h drainage system is the ideal under layer for an extensive green roof. Depending on regional precipitation rates and the water retention goals for your specific project green roof solutions has a full range of products to meet your needs.