Green roofs have taken over sustainable garden ... 15 years old and has survived one winter of -20°C. To maintain a healthy roof in summer, a drip line for watering has been installed and this ...

the roof or balcony may have systems for either keeping rain water on the roof or draining it away. A green roof can house a high level of biodiversity - even if it’s high, dry and has poor soil ...

Using the L-brackets, join together the outer sides of the green roof structure. Measure carefully and use the L-brackets to attach a 2m (6ft 6in) length of wood as a central support through the ...