It should also be light weight resistant to decomposition and compression and physically and chemically stable.
Roof drains for green roofs.
It buffers water and allows excess water to drain away.
The drainage also contributes to good aeration of the plant roots.
Zurn manufactures a line of green roof drains featuring customizable enclosures to align with the green roof surface.
The grs gr52 panel size is 24 x 24 x 2 125.
Flat sloped roofs.
J drain can be used on all your greenroof applications.
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 solutions gr32 and gr52 drainage panels come in 24 x 24 interlocking squares constructed of 100 recycled high density polypropylene hdpp.
Green roof trays is simple in design easy to install and uses our standard green roof planting method for roof maintenance and repair.
Green roof growing medium is composed of mineral aggregates and only a small amount of organic material.
Each vegetation green roof modules contains a complete hierarchy of green roof systems including drainage rain retention filtration growth media and plants.
The drainage layer has an important role to play in the total system structure of a green roof.
See the full list of features.
However its water storage and drainage capacity is limited so it is primarily used for sloped roofs not suitable for drainage type p or type g.
It should have good consistent drainage and aeration with a structure that enables it to hold water.
Goal is to manufacture supply and promote the most efficient high quality green roofing drain components and technology to our community.
During a dry period the water stored can be reabsorbed by the vegetation layer above.
Z110 green roof drains are available with enclosure heights ranging from 5 to 18 or as specified.
The gr52 can withstand 0 352 gallons per square foot or 1 4 gallons per panel.
Z110 green roof drain shown with 18 height for intensive green roofing applications.
Planted hardscaped areas.
Secondary overflow drains are located at a higher point on the roof.
Intensive roof specialized green roof drains 1900 green roof main area drain with standpipe 15 1 4 diameter drain with perforated standpipe.
Flow of water into them is promoted by positive drainage.
Use in non pedestrian areas of green roof systems.
Intensive layered green roof intensive green roofs have a deeper soil depth therefore the roof drain enclosure height is typically 12 or more.
Intensive extensive greenroofs.
A green roof may require a separately plumbed secondary drainage system also known as the overflow relief system.