Picture: Cortesia de Cupa Pizarras

Written by Eduardo Souza

There are many myths and misunderstandings around sustainability in construction. First, the belief that what is sustainable must inherently be technological, complicated or out of reach. Or that the products will necessarily be more expensive, will be made of recycled materials or will not be so aesthetically pleasing. When it comes to material specification, there is often confusion. Is steel more sustainable than bamboo? Would it be better to use a material that is said to be sustainable, but which goes through numerous industrial processes, or one with a low level of processing? The answer is not so simple, and there are various comparison mechanisms to help guide us. But this is an important consideration to make, as one of the main ways the construction industry can help reduce its carbon footprint is to select materials with the lowest general contribution to emissions and environmental impact. Natural slate, which can be used for roofing and facades, is a great example of this.

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