Green Roofs And Sustainability

Green roofs for healthy cities grhc is the north american industry association for the green roof and wall sectors.

Green roofs and sustainability.

In some cities buildings with green roofs may be eligible for lower storm water management fees due to the fact that green roofs reduce the amount of storm water that leaves the site. Green roof growing medium is composed of mineral aggregates and only a small amount of organic material. Unlike traditional black tar roofs green roofs reduce energy costs by absorbing heat instead of attracting it and. A green roof s plants remove air particulates produce oxygen and.

That is how roof top gardens dramatically lower air conditioning and heating costs. Extending the lifespan of the roof by shielding it from the elements. Green roofs help reduce the urban heat island effect a condition in which urban environments absorb and trap heat. Because a green roof will add substantial weight to a building s structure you must hire a professional engineer or registered architect to perform a structural analysis to determine if the existing roof and its support system can hold the added load without a modification.

It should have good consistent drainage and aeration with a structure that enables it to hold water. Green roofs contribute to the sustainability efforts of an organization through. As green roof plants mature and root systems grow storm water retention may increase. It should also be light weight resistant to decomposition and compression and physically and chemically stable.

Grhc develops and protects the market by increasing the awareness of the economic social and environmental benefits of green roofs green walls and other forms of living architecture through education advocacy professional development and celebrations of excellence. Green roofs offer protection. Green roofs with grass help reduce the temperature inside a sustainable building in summer and grass roofs make eco homes warmer in winter. Green roofs have vegetation that absorbs rainwater provides insulation and combats the heat island effect where urban environments have higher temperatures than surrounding areas.

Green roofs are one of the most tangible elements of a sustainability strategy being visible natural and distinctive. Conserving energy by insulating the building and mitigating thermal heat gain which reduces the need for heating and.