Green roofs can add substantial weight to the building.
Green roof basics.
This green roof can be described as a combination of an extensive and intensive roof and therefore is also called a hybrid roof.
Adding a root barrier system to prevent the plant roots from penetrating and potentially harming the existing roof.
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.
A variety of plants that grow well in a soil depth of five to seven inches are good to use including certain perennials ornamental grasses herbs shrubs and sedums.
With a conventional built in place green roof system some of the installation steps include.
Basics of green roofs and green walls consider the load capabilities of the building.
Recreation agriculture regular maintenance required build up height depending on plant selection vary between 300 1000 mm.
Consider the location.
Intensive green roof ornamental lawn summer flowers demanding shrubs bushes and trees higher contribution to urban climate and biodiversity high social co benefits i e.