It is planted over a specially designed water proofing membrane that ensures protection to the tradition roof of a building.
Green roof making.
Topsoil soil from the garden is not used for green roofs because it s usually too heavy and tends to become too compacted.
You will need two pieces of 2x4 timber the same length as the width of the roof and two pieces the same length as the depth of the roof minus 4 inches.
Even a flat roof should have some pitch so that it sheds water toward gutters.
The frame can be made by simply nailing the corners together or by using l brackets to form the corners.
Before the plants go up a structural engineer should check to ensure that the roof can support the weight of the engineered growing medium and plants.
While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.
Make a normal flat or sloped roof into a beautiful living garden.
A green roof is a specific type of roof arrangement over a building that is either partially or fully covered with growing medium as well as vegetation.
I liked the idea of having a bit more greenery in the property we live.
Build a living roof green roof.
For a green roof installation that pitch should be at least inch per foot of run.
Using rot proof timber build a frame around the roof to contain the garden.