Here green roof installer rob gaffney adds a second layer of rubber roofing membrane as a root barrier to prevent damage to the roof.
How to make a green roof.
I liked the idea of having a bit more greenery in the property we live.
It is planted over a specially designed water proofing membrane that ensures protection to the tradition roof of a building.
Green roof weight loading.
Green roof weights obviously vary hugely depending on the type and amount of vegetation.
Adding a green roof to garden buildings such as sheds and storage areas reclaims the space they take up as well as improving air quality and encouraging wildlife into the garden.
With an extensive green roof vegetation is thinner 1 6 to five inches thick and lighter with appropriate plants that will make them low maintenance and self sustaining.
Step 6 if you re worried that soil may be too heavy place potted plants on the gravel.
Step 5 cut a piece of weed matting large enough to cover the roof and the inside of the frame.
Lay it over the gravel and attach to the frame using tacks.
Entire detailed books exist on building and maintaining green roofs.
It d be wise to borrow a copy or two for all of the finer details.
This article provides only a basic overview to get you started in thinking about the requirements for putting together a green roof.
You need to make sure the roof structure can take the weight of the green roof design you have in mind.
While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.
This improves the drainage of the green roof which helps reduce soil erosion and aerate plants.
Any large slope or flat roof that s hard to reach makes a great area for this kind of vegetation as nature will take care of itself.
You might have to add more joists strengthen existing ones or add bracing.
A sedum roof weight can be anywhere between 60 to 150 kg per square metre.
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.