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.
Intensive green roof cost.
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.
In this project we got so much benefit out of this secret garden for the master suite along with all of these environmental benefits that the residents were excited to embrace.
They also estimated that annual maintenance costs of the two systems can range from 75 cents to 1 50 per square foot.
They are fairly lightweight and can be installed on roofs with a pitch from 0º to 30º.
These figures will vary however and green roof installation companies will be able to give you a clearer figure based on your site s specifications.
As a very rough indication in the us one can expect to pay around 150 per meter squared of extensive green roof and around 200 per meter squared for the intensive variety.
In its life however it was estimated the green roof would save over 200 000 in 2006 energy prices with two thirds of that coming from reduced energy needs.
They consist of a thin layer of soil with continuous coverage of growing material.
They estimate that extensive green roof systems cost about 10 per square foot and intensive systems cost around 25 per square foot.
Based on these considerations recover green roofs has found that extensive roofs can cost about 10 to 50 per square foot while intensive roofs can cost from 20 to 200 per square foot.