Hello,
we recently moved into a house that had been vacant for about 6 months, and we want to convert the basement party room into a home office/guest room. After placing a hygrometer downstairs, we noticed that the humidity level is between 69 and 72 percent, which is definitely too high.
In principle, the basement itself is not damp, and there are no visible wet or moist spots.
Currently, the basement is not heated, but we would like to change that later.
1) How useful is it to proactively insulate the room with, for example, Knauf Rotkalk in-Board Climaprotect 416x625 mm (16.4x24.6 inches)? At the moment, the basement party room is fully paneled with wood on the inside.
2) Would simply heating the room and regularly ventilating be sufficient?
Best regards
we recently moved into a house that had been vacant for about 6 months, and we want to convert the basement party room into a home office/guest room. After placing a hygrometer downstairs, we noticed that the humidity level is between 69 and 72 percent, which is definitely too high.
In principle, the basement itself is not damp, and there are no visible wet or moist spots.
Currently, the basement is not heated, but we would like to change that later.
1) How useful is it to proactively insulate the room with, for example, Knauf Rotkalk in-Board Climaprotect 416x625 mm (16.4x24.6 inches)? At the moment, the basement party room is fully paneled with wood on the inside.
2) Would simply heating the room and regularly ventilating be sufficient?
Best regards
I just checked, we have a similar basement – an unheated room is currently at 17.5°C (63°F) with 63% humidity, while the room with the heat generated by the heating system is around 20°C (68°F) with 57% humidity.
My question would also be to what extent it would be comfortable in there without insulation or renovation. In our rooms downstairs, I definitely can’t imagine spending the night or working there for an entire day.
My question would also be to what extent it would be comfortable in there without insulation or renovation. In our rooms downstairs, I definitely can’t imagine spending the night or working there for an entire day.
K
KellerMaus6 May 2024 15:57First of all, thank you for the responses.
In the meantime, I also consulted a building expert. He said more or less the same, but also mentioned that insulation is only necessary outside the thermal envelope, not inside.
How can I determine how well the basement was actually insulated or not? The construction plans only show that drainage was installed next to the basement.
My idea would be to insulate the basement from the inside, since doing it from the outside is practically impossible (there is a conservatory above).
In the meantime, I also consulted a building expert. He said more or less the same, but also mentioned that insulation is only necessary outside the thermal envelope, not inside.
How can I determine how well the basement was actually insulated or not? The construction plans only show that drainage was installed next to the basement.
My idea would be to insulate the basement from the inside, since doing it from the outside is practically impossible (there is a conservatory above).
Insulating a wall—especially a basement wall—from the inside seems challenging because it shifts the dew point inside the building. Definitely consult an expert for this.
What material is the basement made of, and how thick are the walls? Typically, a basement is cast from concrete and then insulated with XPS or EPS boards, for example, 12 cm (5 inches) thick.
What material is the basement made of, and how thick are the walls? Typically, a basement is cast from concrete and then insulated with XPS or EPS boards, for example, 12 cm (5 inches) thick.
K
KellerMaus25 May 2024 18:27Jentopa schrieb:
Insulating a wall—especially a basement wall—from the inside seems difficult to me, as it moves the dew point into the interior of the house. Definitely consult an expert in this case.
What material is the basement made of, and how thick are the walls? Usually, basements are cast in concrete and then insulated with XPS or EPS boards, for example, 12 cm (5 inches) thick. To be honest: I have no idea. My assumption is that they were cast in concrete. What I can see is that every few meters there seems to be some kind of rubber coating or similar where the walls are joined. I don’t know how thick the walls are or whether they’re insulated in any way.
The continuation can be found at https://www.hausbau-forum.de/threads/homeoffice-im-feuten-keller-2.49141/, but it could have been clearer if it had taken place here as well.
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