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Questions tagged [cold-climate]

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6
votes
2answers
1k views

Why they use stone crush on roof of the multistory buildings?

I see in France most of the multistory buildings, there is a black stone crush placed on the top of the buildings. I would like to know whether they use it for certain climate or reason. (Crushed ...
20
votes
8answers
20k views

What is the most sustainable house insulation suitable for a cold climate?

This is a "derived" question from What is the most sustainable heating strategy for a home? . When talking about a home that has to withstand cold winters (-20 C), insulation is a big part of keeping ...