To better understand the energy benefits of a rooftop garden it s important to understand the concept of an urban heat island the increase in temperature that s found in virtually all urban areas solar radiation warms up concrete asphalt and other man made materials much faster and hotter than it warms trees plants and greenery.
How much to outfit roof for gardening.
Contact a structural engineer to discuss your roof garden and how much your roof can handle.
These need 10 20cm 4 8in depth of growing medium enough to support perennials but not shrubs and trees.
Rooftop gardens are oftentimes public spaces usually have specialized irrigation systems and may incorporate courtyards paths and seating areas.
Intensive green roofs are rooftop gardens where trees shrubs and herbaceous plants are grown.
If you re considering a rooftop garden there are a couple of directions you could go in.
Evaluate your roof s loading capacity.
Get amber s checklist for designing rooftop gardens the most basic requirement is that you know how many pounds per square foot your roof can hold so you can determine how much weight it will be able to withstand in terms of decking planters furnishings etc.
Green roof garden designs are usually one of two types.
How best do i convert a flat roof into a roof garden i do need a new flat roof my flat roof is leaking and it needs replacing but i do want to convert the area into a roof garden.
Suitable waterproofing root barrier drainage and filter layers are necessary.
Options for your rooftop garden.
A roof garden usually exists on a mostly flat roof surface due to the weight of the materials and the way the space is going to be used.
The loading capacity is how much weight your roof structure can support.
They can be created for example on a gently sloping shed roof by building a grid of wooden cells on top of the roof and filling the cells with compost.
Themes ideas for small scale gardening by jenny hendy new holland 1997 isbn 1853686808 roof gardens balconies and terraces by jerry harpur and david stevens mitchell beazley 1997 isbn 1857327934.
Balconies roof gardens.
Roof gardens and energy savings.
I need steps coming down onto the roof from a higher floor and i would assume that these would need to be fixed to the roof floor.
Fourth keep in mind that your rooftop garden will be considerably windier than a normal garden you will need to incorporate windbreaks into your rooftop garden design try using trellises or some other latticed windbreak for your rooftop garden.
The former is a flat roof garden planted with a deep layer of soil while the latter comprises a thinner substrate and is more suitable as a finish for pitched structures.
This will include your plants plant containers furniture equipment visitors and weather loads like snow.