FEATURE

Designing vegetated roofs to survive winter

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, retention layer, drainage, and a root barrier.
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FEATURE

Construction and silicosis: What you need to know

According to the International Labour Organization (ILO), an estimated 160 million people suffer from work-related diseases, with some two million dying annually as a result. About eight per cent of these occupational disease deaths can be directly attributed to respiratory complications. What exactly is silicosis, though, and what should design/construction professionals know to help reduce its impact on those in the industry?
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