ᐅ Are Yellow Stains on Aerated Concrete Concerning During the Shell Construction Phase?

Created on: 7 Jul 2021 10:26

Hello dear community and building experts 😉

My wife and I are currently in the middle of a new construction. Right now, our roof is being installed. However, what is making us a bit concerned at the moment are several yellow stains on the wall, which, from a non-professional perspective, seem to be caused by the continuous rain. In the attached photo, one of these stains can be seen on the right side. Our question is whether these stains are concerning or if they already indicate that the bricks are too wet? Are any additional measures necessary, or is this still harmless and construction can continue without interruption? According to our construction manager, this is not a problem and the only change is that the windows will now be installed about two weeks later.

How do the experts among you see this? Should we worry about mold developing later on?

We would appreciate your feedback. Thank you in advance.

Unfinished interior with white blocks, hanging cables, window opening, and building material packages on the floor.

guckuck27 Jul 2021 18:56

It’s just wet and some dirt has been tracked in. Everything will dry out again.

i_b_n_a_n7 Jul 2021 19:31

unless they are solid aerated concrete blocks, it doesn’t really look like it, but better to point it out anyway.
And: Neither a cat nor a well-trained man can pee that high 🤨 (I’ll exclude a woman at that height from the options)

guckuck28 Jul 2021 06:03

Is there now aerated concrete that is filled? Please give a tip for research.

i_b_n_a_n8 Jul 2021 07:00

#10

That was wishful thinking :p. But maybe someday someone will invent such a stone (keyword "Praline").

allstar838 Jul 2021 07:34

#11

If everything had been yellow, it could also have been a kind of primer. It looked similar in our case before plastering.

ᐅ Are Yellow Stains on Aerated Concrete Concerning During the Shell Construction Phase?

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