Getting rid of moisture from the shell construction - how to ventilate and other topics

Despite the wisdom that some spread here: If you do not want to take a multi-month construction pause for slow and "natural" drying with open windows until April, then only a technical drying acceleration will help you. Although it has zero chance to completely dry out the construction, it at least does not dry backwards. And soon, with screed and plaster, hundreds of liters of water will come in again anyway, making proper drying all the more important. It is best not to save on heating and dryers.

The stuff written here is partly nonsense... as if a shell construction is still built today like it was 30-40 years ago. Most of the moisture will anyway come in through plaster and screed; in 100m2 of screed, 6cm thick, there is over 1m³ of water.

If somewhere it is "soaking wet" now, just set up 1-2 construction heaters, with gas or electricity, and let them run for a few days. In winter, you can perfectly ventilate the moisture out.

Hello everyone,

thank you for your opinions.
Once again for you:
- Yes, there is still no screed, plaster in the house & that will not happen before April next year
- I was more concerned about getting rid of the rough moisture so that I can already lay the insulation, vapor barriers in winter and not trap the moisture underneath. Above all, the vapor barrier in the basement must be done by the end of December because the installation for sanitary and heating starts from mid-January.
- Installing windows only next year is not an option for me as the installation is not possible below 2 degrees and in January the heating engineer already wants to start. Also, I want to quietly do the electrical installation myself over the winter and without windows it is 1. very cold and drafty and 2. I really cannot leave any tools in the house.

What will I do now? I will get a construction dryer for 1-2 weeks and dry everything a bit in advance. The rest will hopefully be managed by occasional ventilation. Thus, at least I don’t have to fear mold.

Best regards & thanks to you all for the tips.
XxTankerxX

would still additionally use a dehumidifier. Is the hatch to the top floor ceiling/attic closed?

It is of course still open at the moment. The shell construction has just been completed.

Get yourself a few powerful fan heaters, e.g., gas-powered, and heat up the construction site. Then properly ventilate the air and you will see that it will dry up in no time.

It is logically still open at the moment. The shell construction has just been completed.

Definitely close it before plaster and screed come into the house.