Hello,
As a new member, I would like to present my first problem. We have bought a house from 1932. Now, I want to insulate the top floor ceiling leading to the uninsulated attic. It is a walkable wooden beam ceiling with wooden planks, where about two-thirds of the spaces between the beams are filled with clay/straw. Below that, there is approximately 6 cm (2.4 inches) of air, followed by a cross battens attached to the wooden beams. The plastered reed mat ceiling is then fixed to these battens. My questions are:
1. Is it sufficient to fill the 6 cm (2.4 inches) air gap below the infill with insulation material, remove the reed ceiling, and install a drywall construction?
2. Or is it better to empty the infill completely and build a new structure: install a vapor barrier on the beams, then a new drywall construction against it, fill the infill from above with insulation material, and finally nail rough-sawn boards on top?
3. Could one also empty the infill, fill it with better insulating material (+ vapor barrier), and retain the 6 cm (2.4 inches) air layer with the reed ceiling below?
Thank you very much for some advice
goebke
As a new member, I would like to present my first problem. We have bought a house from 1932. Now, I want to insulate the top floor ceiling leading to the uninsulated attic. It is a walkable wooden beam ceiling with wooden planks, where about two-thirds of the spaces between the beams are filled with clay/straw. Below that, there is approximately 6 cm (2.4 inches) of air, followed by a cross battens attached to the wooden beams. The plastered reed mat ceiling is then fixed to these battens. My questions are:
1. Is it sufficient to fill the 6 cm (2.4 inches) air gap below the infill with insulation material, remove the reed ceiling, and install a drywall construction?
2. Or is it better to empty the infill completely and build a new structure: install a vapor barrier on the beams, then a new drywall construction against it, fill the infill from above with insulation material, and finally nail rough-sawn boards on top?
3. Could one also empty the infill, fill it with better insulating material (+ vapor barrier), and retain the 6 cm (2.4 inches) air layer with the reed ceiling below?
Thank you very much for some advice
goebke
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