Green Roof Drainage Mat Thickness

Drainage mats nominal thickness.

Green roof drainage mat thickness.

It is ideal for drainage and drying behind stucco and. The gr52 can withstand 0 352 gallons per square foot or 1 4 gallons per panel. Used within schemes where the growing medium is of sufficient depth to negate the need for additional water storage for the vegetation. 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.

The grs gr52 panel size is 24 x 24 x 2 125. In july 2011 the liveroof hybrid green roof system became the first to be fm approved according the fm standard 4477. Extensive green roofs are less than six inches deep and are typically 2 4 inches in depth. It evaluates green roof performance related to fire foot traffic resistance and water leakage.

Drainage board is a lightweight multi directional drainage to allow for free dispersal of the water to the nearest outlet. Developed by fm approvals llc fm standard 4477 is the approval standard for vegetative roof systems. Systems with drainage mats. Protection drainage and filtration.

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. Because dc14 is made of extruded polystyrene xps it does not absorb moisture and is not a food source for mold. Designed for sloped green roofs. Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions.

The board is effective with fiber cement wood and foam backed vinyl. Green roof solutions gr32 and gr52 drainage panels come in 24 x 24 interlocking squares constructed of 100 recycled high density polypropylene hdpp. It is specified in some very low pitched extensive green roofs. Green roof systems of this type are drained by a.

Made of non rotting fibers penetration resistant for water and nutrient retention as well as protection layer. Roofs that have potted plants or container gardens are not generally considered green roofs. Their light weight makes them ideal for retrofit projects on older buildings or any stricture with limits on the total weight load. Sdf mat drainage filtration layer.

Moisture retention and protection mat specifically designed for sloped green roofs. It is made of a filtration veil and the polyamide monofilament fibre network layer.