As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.
Flat green roof construction.
Sizes of joists needed for flat roof construction.
Rigid slab insulation must be strong enough to withstand the additional loads.
Regular intensive maintenance is required for this type of roof.
Even a flat roof should have some pitch so that it sheds water toward gutters.
These things will affect the timing cost and overall running of your project.
When you re thinking about what goes into a green roof the terminology can really get in the way.
Sometimes the excitement of starting a new construction project or building venture can lead you to forget about the finer details such as planning permission and local building regulations.
While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.
So any timber joists that are used need to be strong enough to support this weight.
Think the hanging gardens of babylon.
Make sure your comply with flat roof building regulations.
On flat roof construction you can add more vegetation as it is easy to access.
Vapour control layer placed above the roof structure.
The majority of green roofs both intensive and extensive are build from the following elements.
Used over a whole roof a green roof will be the single overriding design influence on the house as well as impacting on the construction right down to the foundations.
In some highly civilized cities or towns you will find green flat roof construction over buildings that provide easy access to the complete portion and that offer easy maintenance.
Oddly enough though this style of green roof isn t a cool roof.
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.
Old asbestos roofs are often replaced with flat roofs.
Make a normal flat or sloped roof into a beautiful living garden.
Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape.
Unlike pitched green roofs flat green roofs can either take the form of extensive consisting of a thin layer of turf or sedum matting or intensive characterised by a greater soil depth that can even accommodate shrubs and trees.
For a green roof installation that pitch should be at least inch per foot of run.
Technically speaking the term green roof applies to a roof upon which living plants have been planted and nurtured.
Of course you don t need to live in a modern house to deal with a flat roof.
Build a living roof green roof.
I liked the idea of having a bit more greenery in the property we live.