Drainage is essential for.
Making green roofs simple.
2 extensive green roof with an extensive green roof vegetation is thinner 1 6 to five inches thick and lighter with.
Topsoil soil from the garden is not used for green roofs because it s usually too heavy and tends to become too compacted.
In addition to the main function of the roof these moderately light loads reduce development costs while providing huge environmental aesthetic and social.
With a sturdy roof deck to support the roof the first step is to keep out the water.
Use a mixture of organic and inorganic materials.
The membrane i used to protect the roof deck was a 2000 gauge polythene damp proof membrane.
The membrane comes in a roll that was xm long and ym wide.
Using rot proof timber build a frame around the roof to contain the garden.
How to build a green roof step 1.
Layers forming green shed roof.
There are three different types of green roofs 1 intensive green roof if you want your roof to function as a garden and have large plants and even water features.
Use a lightweight growing medium.
The first layer should make your roof waterproof as well as root resistant.
This is the next layer to your green roof.
Green roofs are constructed by merging a number of layers over a normal roof in order to create a proper root barrier an irrigation system as well as drainage.
There are a number of types of living roof ranging from the one i ve made enough for some.
Therefore you need to lay out an.
At your local garden center you can find a heavy duty pond liner.
Focus on keeping the elements lightweight but water retaining.
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.
But of course literary descriptions have their hobbit holes covered in lush green grasses and the old world had it s simple little clan dwellings covered in roofs of the valley.
Green roofs also differ in that they add from 17 dry to 30 wet pounds per square foot to a roof load on the roof while roof gardens can add up to 100 pounds per square foot or more.
The frame can be made by simply nailing the corners together or by using l brackets to form the corners.
Build a living roof green roof step 1.
Green roofs in five simple steps this good green earth growing forests meadows and places of incredible beauty.
After doing quite a bit of reading on the internet ok well an afternoon or so i soon realised.