Green Roof Water Retention Mat

A filter fabric layer on top should separate the aggredrain from the growing media.

Green roof water retention mat.

Tremdrain gs drainage mats consist of a perforated polystyrene core with fabrics attached to both sides. The green roof solutions drainage conduit is a stainless steel channel for use with the aggredrain system. Reinforced sheet membrane and hot applied liquid waterproofing system. Moisture retention and protection mat for extensive green roofs and ballasted roofs.

Xf drainage mats are engineered to divert excess water from the green roof quickly for healthy plant growth. The 6 slotted triangle shape is used beneath the aggredrain layer and allows for water to flow freely. Kev will simply unroll the water retention fleece and use a stanley knife to cut it to the same size as the roof. It looks like a rolled up blanket.

Mrm is available in two thicknesses 3 16 and 3 8 to suit your project s specific needs. Allows rainwater to water vegetation in green roofs without waterlogging the plant xf is highly permeable geo composites that combine drainage filter aeration and water retention functions in one product. Basic uses tremdrain gs is designed to be used in applications such as vegetative roof systems or greenscapes where some water retention is desired. Aggredrain is most commonly used at a 1 minimum depth over a moisture retention mat grs mrm 14 or grs mrm 30.

This picture shows water retention matting just before kev to installed it on to this green roof in london. The highly retentive qualities of this fabric provide a slow evaporative release of moisture for green roof plants from deep in the green roof system. The mrm is also a popular choice for fleece based living or green wall systems. Water storage mat can be used under low slope green roofs to enhance water retention and provide uniform water distribution.

Made of recycled non rotting polyester fibers for water and nutrient retention as well as a protection layer. Since three layers of water storage mat will retain approximately one inch of rainfall it can also be covered with a gravel ballast to create non vegetated roofs that reduce and delay stormwater runoff blue roofs. Bitumen resistant biologically and chemically neutral heat resistant. Ccw offers a wide variety of vegetation options for green roof systems.

Compared with green roofs systems using drainage plates or granular drainage this system is the fastest to install and creates the thinnest and lightest green roof assembly. Green roof systems of this type are drained by a multi layer fabric mat called a drainage mat that combines soil separation drainage and protection functions. Protection mats are used to protect against mechanical damage and damage during construction and as a base under rigid drainage products and green roof trays.