Green Roof Drainage Plan

It is made of a filtration veil and the polyamide monofilament fibre network layer.

Green roof drainage plan.

For flat or nearly flat roofs primary drains are located at the lowest point of the roof. Urbanscape extensive inclined up to 20 and pitched green roof systems 20 45. A green roof may require a separately plumbed secondary drainage system also known as the overflow relief system. The filter layer on a green roof is designed to prevent soil and other substrates as well as debris from filling the cavities of the drainage membrane.

Urbanscape green roof system elements urbanscape green roof is a complete system which consists of a root membrane a drainage system a growing media a unique patented rock mineral wool and a vegetation layer. The grs gr52 panel size is 24 x 24 x 2 125. Green roofs are designed to intercept and retain precipitation reducing the volume of runoff and attenuating peak flows. The gr52 can withstand 0 352 gallons per square foot or 1 4 gallons per panel.

Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions. Z110 green roof drain shown with 18 height for intensive green roofing applications. Secondary overflow drains are located at a higher point on the roof. Z110 green roof drains are available with enclosure heights ranging from 5 to 18 or as specified.

The roof is likely to consist of an impermeable layer a susbstrate or growing medium and a drainage layer although not all green roofs require a drainage layer. Flow of water into them is promoted by positive drainage. Intensive layered green roof intensive green roofs have a deeper soil depth therefore the roof drain enclosure height is typically 12 or more. Bauder sdf drainage layer.

Protection drainage and filtration.