Because the size of green roofs on commercial and institutional.
Extensive green roof cost.
Extensive green roofs are less expensive than intensive green roofs.
Additionally you can allow taller plants in intensive green gardens if trees are the low growing medium.
Is a green roof for me.
Calculating the average cost of green roofs can be difficult because there a number of variables not just the size and accessibility of the site but the types of plants that are going to be grown on it.
Extensive green gardens should have plants that are easy to maintain and their root system should be shallow.
The estimated costs of installing and maintaining a green roof vary by the type of green roof.
The cost of green roofs how much do green roofs cost.
A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00.
They are fairly lightweight and can be installed on roofs with a pitch from 0º to 30º.
The epa estimates that the cost of installing a green roof starts at around 10 per square foot for simpler extensive roofing and 25 per square foot for intensive roofs.
The cost will vary with the green roof system and the particular situation.
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.
An intensive green roof generally costs more than an extensive one because of the deeper soil.
Here are the main factors that affect the cost of a green roof.
8 to 20 per square foot.
They consist of a thin layer of soil with continuous coverage of growing material.
The cost will inevitably rise if you need to employ a landscape gardener to design the roof for you which is normal for larger installations.
A black roof or a state of the art extensive green roof as a replacement for an existing conventional roof.
The following are the costs you will incur when building a green roof in australia.
The costs and benefits of the extensive green roof are averaged between a 3 inch multi course extensive profile and a 6 inch semi intensive profile.
8 while the initial costs of green roofs can be higher than those of.
What is the cost of a green roof.
As a guide prices can vary from 50 m for a sedum roof to 200 m for a fully planted intensive roof the cost of any reinforcement needed to the roof and or wall structures is additional to this.
How much does a green roof cost.
For example a simple extensive roof without public access could be as little as one tenth to one third of the cost to construct an intensive green roof intended for public access.
There are many modular green roof kits available that might bring the costs down.