High above the ground, vegetated roofs mimic nature, helping clean the air, cooling down temperatures, keeping rainfall onsite, and alleviating pressure on urban stormwater systems. Vegetated roofs typically include a vegetation layer, growing medium,...
Vegetated roofing has long been recognized as an effective stormwater management tool in urban centres to help store and attenuate runoff from impervious rooftops.
Over the past decade, the North American construction industry has embraced sustainability in construction and building operation as environmental impacts have gained the attention of building operators, code-development organizations, and the general public.
From a purely economic perspective, the positive impact of a vegetative ‘green’ roofing assembly is measured in the long term—40 years or more. This means ensuring its performance and safety over an extended period...
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