Green Roof Construction Costs
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.
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. With green roofing one can observe a great improvement in health and well being. 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.
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. Ecoroofs are expected to be an important part of the city s urban strategy as it grows and density increases in the decades to come. Simple one story extensive green roof seeded with grass high. Two story extensive green roof with a variety of plants low.
These materials will determine the efficiency of the roof and keep your house free from trouble. 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. Primary green roof costs are related to installation and maintenance.