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I want to isolate my attic non convertible. What do you advise me as insulating materials? The top of my ceiling is lined with glass wool but on the underside of the tiles I have nothing or significant heat loss.

In the presence of non-convertible attics, it is not useful to isolate the under-roof. Isolate the floor of these attics with mineral wool (glass or rock) or vegetable wool (hemp, cellulose) presented in strips of great thickness (20 to 30 cm) or loose, in the form of a flake spread directly on me ground. You will find different examples in our ISOLATION section.

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