Extensive Roof Garden

It is typically not designed for public access or recreational use and access is strictly for periodic maintenance.

Extensive roof garden.

A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. The extensive green roof. The intensive green roof uses planting mediums that have greater depth than the extensive green roof. 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.

All fytogreens roof gardens are irrigated and designed for low maintenance. A green roof involves the extensive greening of rooftop surfaces. Extensive and semi extensive roof gardens have a thin growing medium 200mm deep planted with predominantly native vegetation. Extensive roofs are typically lightweight and can be installed over a variety of structures including metal roof decks.

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. Another term for these green roofs is rooftop garden. 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. This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings.

Saturated weight guide extensive roof garden 140mm to 200mm 20mm scoria or recycled stone mulch nb. Extensive roofs are typically lightweight and can be installed over a variety of structures including metal roof decks. Varied building systems have been developed to support vegetative covers on steeply pitched roofs. Pitched roof systems sometimes merge into vertical facade vegetative techniques.

Fytogreen designs roof gardens specifically to suit the site conditions inclusive of weight and set down limitations. 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 they have thin layers of substrate the growing medium to keep depth and weight to a minimum. 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. With a thinner vegetation support layer green roofs are lightweight compared to roof gardens. It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. Extensive green roofs are designed to be low maintenance lightweight systems with no general access.