Roof Detention System

It is this delay that what saves us from floods.

Roof detention system.

This technique is most commonly used in dense urban areas where other methods of stormwater detention are impractical. Almost all of the rain that falls onto a fully saturated profile will quickly drain through and flow underneath a traditional green roof profile. The liveroof integrated roofblue riser is engineered to provide temporary water detention underneath all liveroof systems. It is made of a filtration veil and the polyamide monofilament fibre network layer.

All kinds of rainfall can be simulated in this lab. Urbanscape detention layer t5. Rooftop detention also known as a blue roof is designed to provide temporary storage and slow release of stormwater runoff. Blue roofs are non vegetated source controls that detain stormwater either releasing it more gradually to the sewer system or storing it for beneficial reuse.

Instead of running off the roof via gutters and downpipes the water is temporarily stored or allowed to pond on the surface and then released slowly so that it can drain away gradually. Over 500 different tests were carried out on various green roof structures commissioned by independent international partners from the construction industry. The urbanscape detention green roof is a complete system which consists of a detention layer storage layer a growing media a unique patented rock mineral wool and a vegetation layer. The foundation of the detention roof lies in the green roof diagnostics research laboratory in virginia usa.

For a detention facility where the outflow is controlled by means of an outlet orifice tube subject to a head which increases as the depth of storage increases in a storage facility with an approximately uniform area with respect to storage height and for roof detention by means of. Purple roof is the simplest and least expensive solution if you would like a detention green roof. Rooftop detention is the heart of blue roof technology. A standard sponge roof can be upgraded from a retention oriented green roof to a detention retention oriented green roof for 10 20 m 2 1 2 sqft.

Protection drainage and filtration. It is a relatively simple concept that results in a controlled flow system of rainwater from the roof. Bauder sdf drainage layer one side laminated version is also avaliable. It is used for lightweight green roofs terraces and has many functions.

Reduce the burden on stormwater systems. Roofblue can do the following. This roof can then detain 2 5 5cm 1 2 of water for anywhere between 1 10 hours. Thus detention has a time component added.