Green roof gardens and green living roofs

Green roofs have been constructed for thousands of years, the most famous early example being the Hanging Gardens of Babylon.

They have also been used in traditional buildings such as the sod roofs of rural Scandinavia. Experimentation in the earlier part of the 20th Century found that green roofs required special waterproofing, since roots were found to grow into what were typically tar roofs.

Over the past 3 years, research and experimentation has taken place primarily in Northern Europe, where sophisticated waterproof membranes have been perfected, construction standards have been developed, and the environmental, economic and social benefits of green roofs continue to be studied.

With heightened environmental awareness, many places in the world have become interested in green roof technology.

extensive green roof systems

   

tg320 easi-tray module system     tg 120 sedum plugs (12no/m2)

Extensive green roofs are designed with minimal planting medium profiles and sometimes only a mineral substrate. The plants normally mosses, succulents, herbceous plants and grasses, are chosen for their ability to regenerate and maintain themselves over long periods of time, in addition to being able to withstand the harsh conditions of cold, heat drought and wind. Native species are often preferred.

Green roofs do not necessarily require irrigation, and since they are often not accessible to the public, they have fewer other requirements, such as guardrails.

Extensive green roofs are the least expensive form of roof greening to implement and maintain.

Tiga Picture Gallery

  • Green Roof Systems
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  • Building Envelope
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  • Green Wall
  • Biodiversity Roof
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  • Sedum Roofing
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