Green Roof Construction Costs

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.

Green roof construction costs.

Factors like location quality of the roofing membrane roof accessibility structural load capacity and ease of material conveyance to the roof affect the price explains recover green roofs a boston area based design build firm specializing rooftop gardens and green roofs in new england. 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. To achieve healthy construction designs it is important to make a proper selection of green roof construction materials. 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.

Primary green roof costs are related to installation and maintenance. Simple one story extensive green roof seeded with grass high. 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. With green roofing one can observe a great improvement in health and well being.

Intensive green roof with modular plants and walking paths cost to install green roof varies greatly by region and even by zip code. 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. Gsa s green roof report estimated that green roofs on commercial and public buildings provide a payback based on 50 year average annual savings of about 6 2 years nationally internal rate of return of 5 2 and an roi of 224 based on a net present value of 2 7 square foot.