Condensation moisture - how to stop wall wetness?

Heating Trends, last updated on November 30, 2022

With dropping temperatures and increased in-door heating, the problem of moisture and fungus on the walls reappears in some households every autumn and winter.


Condensation moisture - how to stop wall wetness?

Temperatures have dropped, rooms are heating up, and moisture is appearing on the walls that is pouring in? You tried to ventilate, but nothing helps? This is a common problem faced by many owners of newly built or unfinished buildings. The cause of moisture can be in improperly constructed roofing or gutters, unprofessionally installed carpentry (benches) and some other factors where there is a physical drainage of water. In this article, we will deal with condensing moisture - moisture that occurs as a result of the difference between outdoor and indoor temperature and has nothing to do with the direct impact of rain.

Why do houses without a thermal facade have problems with moisture?

Condensation moisture will always appear on concrete parts. Horizontal and vertical circles are most often the place where moisture will appear. Simply put, damp walls will most often be at the joints with the blanket and the corners of the building. Namely, the brick contains air chambers due to which moisture will be very difficult to reach the interior. This is unfortunately not the case with concrete parts. In the past, heraclite slabs that thermally insulated concrete elements were placed inside the formwork prepared for the production of static concrete elements. Today, this is very rarely used and moisture is a common occurrence in buildings without thermal insulation.
Temporary moisture remediation at minimal cost

Inspect the building from the outside and notice parts made of brick and parts poured with concrete. Does internal moisture appear exactly on the concrete parts?

Your task is to thermally insulate the concrete parts.

Forget about hydrophobic mixtures, the problem of condensing moisture is not water penetration, but just - condensation. Get styrofoam boards at least 3 cm thick (preferably 5 cm) and place them on the concrete parts. EPS styrofoam boards will be easily cut with a scalpel or knife to a size that suits you. Stirpor will be enough to glue pointwise, or for a better performance completely along the edge of the styrofoam board. You can glue the tiles with styrofoam glue, but if you have construction glue or flexible tile glue available - it will do the job.

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The only and long-lasting solution

A complete solution to the problem of condensation can only be achieved with quality thermal insulation. It is important to remember that the household always produces moisture. Drying laundry, washing machines and dishwashers, cooking, showering - all this produces moisture. Also, human bodies produce a significant amount of moisture. It is advisable to ventilate the rooms in the morning and in the evening by opening all the windows wide for 5 minutes. With short-term ventilation, you will achieve air exchange without significant cooling of the walls and loss of accumulated heat.