McGill Smith Punshon
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Sustainability

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Green Design & Sustainability

Sustainability

Green Roofs

What is a green roof? In a nutshell, green roofs are vegetated roof covers which include plants, growing media, a waterproofing layer, and drainage. There are two types of green roofs: intensive and extensive. With a soil depth of a foot or more, intensive green roofs can sustain a wide range of plant species, but require substantial structural elements to support the weight, and require more maintenance. An extensive green roof has a much shallower soil depth (usually only 2 to 4 inches deep) and is planted with hardy, drought-resistant plants.

For more information about green roofs, read our newsletter about green roofs which highlights a green roof project designed by MSP and visit the sites below:

The Green Roofs Projects Database

The Green Roofs Projects Database

LivingRoofs.org

LivingRoofs.org

Green Roofs for Healthy Cities

Green Roofs for Healthy Cities

International Green Roof Association

International Green Roof Association

Green Roofs: An Introduction with Pretty Pictures

Green Roofs: An Introduction with Pretty Pictures

The U.S. Environmental Protection Agency

The U.S. Environmental Protection Agency

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