Structural Green Roof Section Detail

All three types of roofs require specific layers of roofing materials not found on regular roofs.

Structural green roof section detail.

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. Consult with your membrane manufacturer for information relative to the membrane specifications. It can be difficult to visualise each component of a green roof and how they work together. For intensive roofs this requires a professional consultation.

The system structure for a flat water retaining green roof consists of a drainage layer with filterfleece extensive roof garden substrate and a vegetation blanket. Intensive green roofs require the deepest soil and have the greatest impact on the structural design but they also accommodate all types of plantings including large shrubs and trees. Garden roof assembly american hydrotech inc. Green roofs are not created equal.

Intensive systems allow the designer to create a park like setting so they are the best option for roof gardens that will be occupied. Below are explanations of the leading roofing membrane systems that have been installed under green roofs. The following green roof detail should help. The hydrologic and thermal performance of six different extensive green roofs and reflective and non reflective roofs in a sub tropical climate simmons et.

Jul 4 2020 explore danica mihadavid s board green roof sections on pinterest. Shallow pitched green roof 5 25 the structure of a shallow pitched green roof differs slightly from the structure of a. See section 3 2 4 green roof design criteria for more information on structural design considerations. See more ideas about green roof roof roof garden.

The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support. 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. Green roof storage volume is maximized on relatively flat roofs a pitch of 1 to 2 percent. When it comes to green roof structural design you need to ensure the structure can cope with the additional loading.

Contact us so we may recommend green roof system details specific to the roofing membrane chosen. Green roof designs to ensure that the building has enough structural capacity to support a green roof. Please contact us for support in determining which details are most pertinent to your individual project.