Extensive Roof Garden

Typically they have thin layers of substrate the growing medium to keep depth and weight to a minimum.

Extensive roof garden. A green roof involves the extensive greening of rooftop surfaces. Saturated weight guide extensive roof garden 140mm to 200mm 20mm scoria or recycled stone mulch nb. Extensive and semi extensive roof gardens have a thin growing medium 200mm deep planted with predominantly native vegetation. Pitched roof systems sometimes merge into vertical facade vegetative techniques.

Varied building systems have been developed to support vegetative covers on steeply pitched roofs. Extensive green roofs sedum roof systems. An extensive garden roof assembly can be applied to flat roofs and sloping roofs with a pitch of up to 12 12 or 45 provided the appropriate measures are taken to cope with the shear forces and soil retention. Extensive roofs are typically lightweight and can be installed over a variety of structures including metal roof decks.

This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings. It is typically not designed for public access or recreational use and access is strictly for periodic maintenance. All fytogreens roof gardens are irrigated and designed for low maintenance. Fytogreen designs roof gardens specifically to suit the site conditions inclusive of weight and set down limitations.

Outside melbourne recycled concrete or clinker ash are used to replace scoria the weight is similar. With a thinner vegetation support layer green roofs are lightweight compared to roof gardens. The extensive green roof. Extensive green roofs are designed to be low maintenance lightweight systems with no general access.

The extensive type of green roof by contrast have a soil depth of 50 150mm only support very drought tolerant plants no irrigation are too harsh an environment for most common weeds and so require very little maintenance. Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof. Given those advantages only the extensive green roof will be discussed here. Another term for these green roofs is rooftop garden.

It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. Greening the built environment fytogreen australia s lightweight extensive roof garden system. To install extensive vegetative roof covers on pitches steeper than 2 5 12 12 degrees supplemental measures will be required to prevent sliding instability. An extensive garden roof assembly can be applied to flat roofs and sloping roofs with a pitch of up to 12 12 45 provided the appropriate measures are taken to cope with the shear forces and soil retention.