However while there can be many benefits to a green roof there are specific issues that.
Green roof and nursiers differences.
Integrating a green roof into a historic building rehabilitation project may appear to be an easy solution to reducing the urban heat island effect improving storm water management and improving the energy efficiency and sustainability of the building.
However there are regional differences and there is a variety of different programmes.
15 to 50 per square foot.
For a conventional roof.
This system requires some maintenance from time to time these green roof systems lie between the extensive and the intensive and usually include a mix of plant types.
The higher upfront costs of installing a.
As a roof type that requires frequent maintenance intensive systems can be thought of as gardens on a roof in contrast with an extensive green roof there are almost unlimited possibilities.
Keep in mind that green roofs typically are not installed over the entire roof surface so the costs per square foot for a green roof apply only to the area covered.
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 sq.
Having a green roof can increase the lifespan of the roof and lower utility bills at the same time.
Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof.
8 to 20 per square foot.