Intensive Green Roof Loads

Functional or extensive vegetative green roofs are well suited to roofs with little load bearing capacity.

Intensive green roof loads.

Thus they have more substantial structural loads and need more frequent maintenance and watering. Applicable to the greengrid 4 inch depth. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2. Extensive green roofs are the simplest to install and are very often added to existing roofs.

Intensive green roofs have more soil and a deeper growing medium sometimes several feet that can support a more diverse plant selection including small trees. Photo by andrew wutke. The solution is simple. Semi intensive green roofs include features of both types.

In older buildings or new build this may require costly structural reinforcement which in some cases may prove prohibitively expensive. Where added loading is required the 6 inch or 8 inch depths can be designed as functional vegetative green roofs. They are usually accessible. A variation of the extensive green roof is called semi extensive.

The venny green roof melbourne. The venny green roof has shallow substrates on two types of roof the first roof is on shipping containers and is designed for a dead load of 250kg m 2 and live load of 100kg m 2. Typically the least expensive vegetative green roof application.