Green Roof Drainage Mat Thickness

Designed for sloped green roofs.

Green roof drainage mat thickness.

The sdf mat drainage filtration layer is a multi functional drainage and filter layer which prevents the roots of the plants in the xf301 sedum system from becoming waterlogged. In july 2011 the liveroof hybrid green roof system became the first to be fm approved according the fm standard 4477. Made of non rotting fibers penetration resistant for water and nutrient retention as well as protection layer. Their light weight makes them ideal for retrofit projects on older buildings or any stricture with limits on the total weight load.

17 20 mm. Extensive green roofs are less than six inches deep and are typically 2 4 inches in depth. The gr52 can withstand 0 352 gallons per square foot or 1 4 gallons per panel. The grs gr52 panel size is 24 x 24 x 2 125.

It evaluates green roof performance related to fire foot traffic resistance and water leakage. Green roof systems of this type are drained by a. Used within schemes where the growing medium is of sufficient depth to negate the need for additional water storage for the vegetation. It is made of a filtration veil and the polyamide monofilament fibre network layer.

With drainage channels on both sides it permits easy drainage for water and allows air movement between the siding and sheathing to help keep the wall dry. Drainage board is a lightweight multi directional drainage to allow for free dispersal of the water to the nearest outlet. Bauder sdf drainage layer material of the drainage layer polyamide monofilament weight of the drainage layer 400 g m. Because dc14 is made of extruded polystyrene xps it does not absorb moisture and is not a food source for mold.

Protection drainage and filtration. Roofs that have potted plants or container gardens are not generally considered green roofs. Systems with drainage mats. Green roof solutions gr32 and gr52 drainage panels come in 24 x 24 interlocking squares constructed of 100 recycled high density polypropylene hdpp.

The nominal thickness of a green roof is the approximate total height of the soil and drainage components that constitute the green roof system excluding the roof structure insulation waterproofing and plants. Sdf mat drainage filtration layer. Drainage mats nominal thickness. Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions.

It is specified in some very low pitched extensive green roofs. It is ideal for drainage and drying behind stucco and.