The purely substrate based green roofs are relatively cheap to install compared to the sedum systems aim to recycle waste materials such as broken bricks and have been shown to support rare invertebrates and birds gedge and kadas 2005.
Recyclable materials for making a green roof.
Recycled shingles are the greenest roofing product recycled shingles are quite affordable and are a perfect alternative to those who can t afford the expensive slate roofs.
A number of materials used in green roofs are from recycled sources such as the membranes and growing mediums such as crushed porous brick which is used by some suppliers.
What makes a roofing material green or environmentally friendly is not just the raw materials it comes from and how it is manufactured.
The best option for your home depends on.
What makes a roof environmentally friendly.
The roof mimics recycled slate and cedar shakes.
Most of the shingles sold today are made from recycled content such as plastic wood fiber and rubber.
There is however a need to quantify and compare the benefits of green roofs constructed from commercially available media with those constructed from recycled media.
In london uniquely there has been a move to use recycled secondary aggregate as the growing medium preferably from the original site.