I would like to remake the insulation of the attics lost, but do not know which product to choose and which is the most powerful.
The insulation of lost attics can be realized in different ways depending on their accessibility. Everything depends on the available space, the nature of the frame (traditional or farmhouses) and that of the floor of these attics. If your attic has a floor on which you can move but the space is limited, you can roll mineral wool or vegetable roll (vapor barrier directed to the ground.If there is no true floor (ceiling of the lower room in suspended plasterboard), where if the space between the floor and the structural elements is very small, orient yourself towards a fluffed flake insulation: its implementation is detailed in our sheet "INSULATION OF LOST COMBLES".
As you understand it all depends on the configuration of the places, several sheets deal with the subject on our site, you will find necessarily a solution adapted to your case:
"SIMPLE INSULATION UNDER FRAME"
"COMBLES INSTALLATION AND INSULATION ON OSSATURE"
"INSULATION OF THE ATTIC SOIL"
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