Green Roof Slope Design

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.

Green roof slope design.

Pitched green roof design considerations. By dave barista managing editor. Roof slope treatment volume is maximized on relatively flat roofs a slope of i to jr. Support a green roof.

5 15 roof angle systems with optional support depending on project. The greengrid vegetative green roof system is suitable for low slope roof concrete deck plaza applications and other comparable scenarios. 0 5 roof angle green roof systems according fll without additional support. A green roof system is perfect for over the garage for example and it can be integrated into almost any architecture style.

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. 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. It all comes down to the design as well as the types of plants that are added to the green roof. As the popularity of vegetated roofs grows in the u s building teams are finding new methods for greening rooftops.

However some slope is needed to promote positive drainage and prevent ponding and or prolonged saturation of the growing media. 15 45 roof angle appropriate measures to cope with shear forces and erosion green wall. Green roofs can be installed on rooftops with slopes up to jmr if baffles grids or strips. There is no steepest pitch for a green roof they can even grow vertically.