Green Roof Cost Savings

The economic benefits of any individual green roof will however depend on its design geographic location surroundings and the building itself.

Green roof cost savings.

They consist of a thin layer of soil with continuous coverage of growing material. The largest reductions were seen in rooms directly below the green roof and no reductions were found more than three floors down. Cost benefit evaluation of ecoroofs 2008 pdf 37 pp 2 1 mb about pdf this report attempts to quantify the private and public costs and benefits of green roofs or ecoroofs in portland oregon. Over its estimated lifespan of 40 years a green roof would save about 200 000 of which nearly two thirds would come from reduced energy costs.

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. 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. The university found that the green roof would cost 464 000 to install versus 335 000 for a conventional roof in 2006 dollars. Over its lifetime though the green roof would save about 200 000.

They are fairly lightweight and can be installed on roofs with a pitch from 0º to 30º.