Drainage thickness of growing media plant varieties etc.
Green roof slope design.
There are three main types of green roofs which are characterized by the types of planting and vegetation that can be placed on them.
Roof access usually comes in the form of hatches ladder points or full roof containment.
Green building council s leadership in energy and environmental design leed green building rating system awards points for environmentally friendly construction features.
Green roofs are suitable for any pitch of roof.
The main thing is to speak to a structural engineer to know if the roof can support the weight of the green layer because once it s absorbed rainwater it can get very heavy.
Sloped roofs retain less water in general and the moisture content varies from the ridge to the eave lowest edge of the roof.
While the basic components of a sloped green roof are similar to that of a flat system building teams must pay particular attention to water management erosion control.
This is especially true of intensive green roofs which can have soil that is two feet deep or more.
Vegetative roofs will attract wildlife.
Contact hydrotech for specific requirements.
Green roofs are now feasible in sloped applications with hydrotech s gardnet option a growing media confinement component within the garden roof assembly.
There are many green roof suppliers and manufacturers to choose from when considering your design.
There is no steepest pitch for a green roof they can even grow vertically.
Green roofs are also divided into different types depending on the green roof design scheme.
This is not desirable on an extensive vegetative roof which is not designed to support these habitats.
Roofing by sika sarnafil.
Pitched green roof design considerations.
The pitch of the structure shouldn t be too steep as flat or shallower roofs adapt better to a green roof.
However when dealing with a sloped green roof with a pitch of more than 9 5 you ll need a design solution for retaining water and ensuring the substrate stays in place.
It is the task of the designer to make adjustments in the green roof system accordingly e g.
Intensive style green roofs are the most detailed and strongest of them all.
Gardnet allows design professionals to expand beyond traditional flat roof applications and put a green roof in places they never could before.
Additionally contractors and building owners earn leed points for using building materials that incorporate recycled content materials.
Insects spiders snails birds and rodents rats mice squirrels all promote damage to the.
As the popularity of vegetated roofs grows in the u s building teams are finding new methods for greening rooftops.
One important item to design for is an increased structural load.
There are a number of things to consider when designing for a green roof.
