The substrate gives the right amount of nutrients to the plants so your green roof stays nice and green.
Green roof structure detail.
Also serves to protect the hydro insulation from the roots so it does not get penetrated by them.
Shallow pitched green roof 5 25 the structure of a shallow pitched green roof differs slightly from the structure of a flat roof.
Steeply pitched green roof 25 40 sempergreen has the perfect solution for pitched roofs.
The key to any good green roof project is a good waterproofing membrane.
There are many types of waterproofing membrane.
Border conditions such as gravel or paver borders edging conditions including curbing roof drain details and.
And to ensure the appropriate green roof assembly relative to the membrane chosen is provided it is important to understand how they work and how they are installed.
Drainage layer gathers the excess water in the holes therein and drains the rest out of the roof.
Flat green roof design considerations.
The following green roof detail should help.
Protective layer protects hydro insulation from root growth.
Note that it is not like a traditional roof garden in which planting is done in free standing containers as well as planters that are placed on an easy to access roof terrace.
Other common details such as pipe penetrations.
Architectural details photo by tommy hileman.
A green roof is a green space that is created by adding various layers of plants and a growing medium to the top portion of a traditional roofing system.
It can be difficult to visualise each component of a green roof and how they work together.
The diagram shows the different layers of the build up using our permaseal 20p drainage membrane.