ᐅ Windows develop condensation on internal seals when it is cold outside.
Created on: 14 Nov 2019 18:29
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Bauernhaus1829
Hello everyone,
I am new here, 30 years old, and have renovated a farmhouse from 1829.
I have the following issue with my double-wing wooden windows:
At around 5°C (41°F) outside temperature and below, some of these windows start to experience condensation at the seals between the sashes as well as between the sash and the frame. Water collects on the seal and then runs down onto the frame.
This phenomenon mostly occurs on the same windows, especially in the bathroom and bedroom. However, the humidity in these rooms remains within normal ranges. The colder the outside temperature, the more water accumulates and the more windows are affected.
Is there a solution to this issue other than removing the water twice a day?
Thank you in advance for any assistance!


I am new here, 30 years old, and have renovated a farmhouse from 1829.
I have the following issue with my double-wing wooden windows:
At around 5°C (41°F) outside temperature and below, some of these windows start to experience condensation at the seals between the sashes as well as between the sash and the frame. Water collects on the seal and then runs down onto the frame.
This phenomenon mostly occurs on the same windows, especially in the bathroom and bedroom. However, the humidity in these rooms remains within normal ranges. The colder the outside temperature, the more water accumulates and the more windows are affected.
Is there a solution to this issue other than removing the water twice a day?
Thank you in advance for any assistance!
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Bauernhaus182916 Nov 2019 08:44How should one imagine such insulation? Using additional sealing tape?