Topsoil soil from the garden is not used for green roofs because it s usually too heavy and tends to become too compacted.
Green roof making.
The frame can be made by simply nailing the corners together or by using l brackets to form the corners.
Using rot proof timber build a frame around the roof to contain the garden.
Green roofs serve several purposes for a building such as absorbing rainwater providing insulation creating a habitat for wildlife increasing benevolence and decreasing stress of the people around the roof by providing a more aesthetically pleasing landscape and helping to lower urban air temperatures and mitigate the heat island effect.
Make a normal flat or sloped roof into a beautiful living garden.
It is planted over a specially designed water proofing membrane that ensures protection to the tradition roof of a building.
Focus on keeping the elements lightweight but water retaining.
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.
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.
Use a mixture of organic and inorganic materials.
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.
Even a flat roof should have some pitch so that it sheds water toward gutters.
Build a living roof green roof.