Green Roof Slope Design

There is no steepest pitch for a green roof they can even grow vertically.

Green roof slope design.

Green roofs can be installed on rooftops with slopes up to jmr if baffles grids or strips. By dave barista managing editor. As the popularity of vegetated roofs grows in the u s building teams are finding new methods for greening rooftops. Roof slope treatment volume is maximized on relatively flat roofs a slope of i to jr.

A recent trend is to adapt green roof technology for low and steep slope applications. Support a green roof. 5 15 roof angle systems with optional support depending on project. This means that you can have a green roof that s best suited for flat surfaces slanted roofs and more.

The greengrid vegetative green roof system is suitable for low slope roof concrete deck plaza applications and other comparable scenarios. Green roofs are suitable for any pitch of roof. However some slope is needed to promote positive drainage and prevent ponding and or prolonged saturation of the growing media. It all comes down to the design as well as the types of plants that are added to the green roof.

A low slope roof is a roof surface with a maximum slope of 2 inches of rise for 12 inches of run 16 degrees as defined in american society for testing and materials standard astm e 1918 97. 15 45 roof angle appropriate measures to cope with shear forces and erosion green wall. Pitched green roof design considerations. 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 and maintenance.