An extensive green roof is the most common and least expensive type of green roof with costs ranging from 10 20 a square foot 2 they consist of a thin layer of soil with continuous coverage of growing material.
Green roof garden construction.
A general characterization of the two types of green roofing systems follows.
Types of green roof green roofs are sometimes referred to as living roofs grass roofs or sedum roofs but these all relate to the same thing.
While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.
Build a living roof green roof.
Proper selection of agriculturally durable materials structural engineering design and review and responsible water handling should all be considered to achieve maximum energy efficiency and perhaps leed recognition.
For a wildflower roof with a 150mm depth of the substrate work on loading capacity of 250kg per square metre.
For both of these we need to follow specific green roof construction and maintenance procedures.
Green roofs are usually created for economic and environmental benefits and cover the whole roof area.
Green roof design construction and vegetative cover will vary depending on the roof type roof slope roof accessibly and the climate.
They are differentiated on the basis of plant selection growing medium type and overall cost.
In this guide we take you through the main considerations around choosing a green roof system how to design it to meet your needs and then we cover green roof construction.
Slopes and angles for green roofs.
A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems.
First method is to make a container garden on terrace second one is to make a lot of raised beds to grow plants either permanent made of concrete or wooden.
Here we provide some roof garden construction details that can help you.
Generally there are two types of green roof systems.
The pitch of your roof determines how fast rainwater runs off it.
Roof garden construction can be done by three methods.
To support lightweight sedum green roof construction your roof needs a loading capacity of at least 120 kg per square metre.
Make a normal flat or sloped roof into a beautiful living garden.
The last and third method is to make your whole roof or some selected part a vegetation ground like a regular garden.
Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.
Green roofs tend to improve insulation and energy efficiency by reducing heating and cooling costs.