A quick update and review of the main green (living) roof on our property. The attached photo gallery shows the 5 main layers needed to make a successful green roof, and how well the sedum has established itself and matured over the past two years. Sedums are ideal for green rooves as their root systems are shallow but dense and the plants themselves need very little water or weeding.
The 5 layers are:
- Waterproof layer (pond liner)
- Drainage layer (small stones)
- A layer to help hold moisture (old carpets)
- Root barrier
- Soil (sand and leaf mould)
The benefits of any living roof are:
- supports biodiversity
- helps clean the air – absorbs CO2, gives of O2
- helps retain water and runoff -soaks up large amounts of rain and releases it slowly
- is a natural insulation – keeping building below cool in summer, warm in winter
- can lengthen the life of a roof
Please feel free to contact me with any questions or comments.