Scenario: An attic in an old building needs to be insulated. Could one, for example, install thicker insulation between the rafters and only thinner insulation on the exterior wall? This would result in different surfaces in the room having different insulation values. Could mold grow somewhere?
(2 votes)
Loading...Hello, we have an Ikea couch with storage space on the long side. Today, I lifted it up to clean it and noticed small, dark spots everywhere that I can't wipe away. Is that mold? We had blankets stored here that might not have dried completely after washing. The spots are widespread and evenly distributed;…
how much does it cost to intensively clean an apartment, I understand intensely everything is clean from top to bottom, Dust and wipe lamps and cabinets from the outside and inside. doors and windows Dust and wash walls, floors, and ceilings (depending on the surface and level of dirt) bath from top to bottom, washing,…
I noticed that I can't attach the sealing strip properly. I'm not trained in this area and am looking for help.
I made it Friday night, didn't quite finish it, and it's been refrigerated ever since. Is it still edible, or should I leave it alone? Would reheat it in the microwave.
I put frozen chicken in the fridge for about a day to thaw. Since I don't plan on doing anything with it, I wanted to refreeze it. Is that possible, or should I throw it away?
heyyy 🫶🏻 I was just about to make something with melted chocolate. Unfortunately, the chocolate has been expired since August. I haven't opened it, and it's been sitting in the basement. It's Cailler milk chocolate. Is it still good?
Moin,
mold always arises when three things are given: nutrients, water, cold temperatures
For the nutrients, the mushroom already reaches the plaster on the wall. Therefore, no plaster plaster is built in the bathroom.
Water can be provided when enough water is in the air and condenses on the wall.
And water condenses on the wall when it becomes too cold or when the air becomes too humid.
So to your question: basically, it is not a problem to contain components differently. insulation creates that the wall leaves less heat, or That the wall loses its own warmth to the world outside. Therefore, insulation is generally quite good to prevent in the mold. The component with the lower insulation thickness will therefore always be more susceptible to mold than the component with greater insulation thickness.
The crunch point in such things are also less de walls, but the places where the wall stops. At windows, for example, a cold bridge is quickly formed in a highly insulated wall, as a result of which water condenses at the point and mold forms. Also in room corners, and generally at all connections. Even a socket in the wall can become a problem under the correct conditions.
The roof and the wall are therefore common practice. No rule forbids it. Many more, public standards and laws even prescribe different indicative values for the insulation of roofs and walls. What matters are the details of the design. The connections must be well planned.
Greetings
“The component with the lower insulation thickness will therefore always be more susceptible to mold than the component with greater insulation thickness. “Thank you, this is the most important thing for me:)
And windows must IMMER?????? have the worst insulation value in the room so that the condensation water is formed there?
Moin,
Low insulation thickness means a colder surface of the relevant wall on the inside. Thus, much more or at lower room temperature condenses the humidity and then causes mold, if there is a nutrient bottom.
Windows usually have the lower insulation value. The blind is not the window itself, but the connection of the window to the wall around it. This connection must be designed and executed in such a way that no cold bridges are created around the window. All sorts of things have to be respected. Several foils, seals, angles and so on must each sit at the correct points, and the connection must be well oversulated, and all cavities must be dammed. At the same time, everything has to be rainproof and the window bench fits well into the detail. A complicated connection. There’s a lot going wrong.
Right. In addition, the user has to behave correctly. Many mold problems can be tackled by the correct ventilation behavior.
Oh, okay, thanks. Since at the edges of the Fentser I’ve seen a lot of mold, so like you say, something goes wrong more often:)
Insulation on the wall should be avoided. If you do this, you should also install living room fans with heat recovery.
Yeah, you can. The GEG even sets different U values as minimum standards depending on the component.
https://www.gesetze-im-internet.de/geg/anlage_1.html
mold is not produced per se when components are differently insulated, but when components are so poorly insulated that the surface temperature drops at the inside below the dew point temperature.