ᐅ Noises in the Wall, Newly Purchased, Built in 2016

Created on: 23 Mar 2020 20:27
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Minuk1234567
Hello everyone,

We bought a relatively new house at the end of 2019 (built in 2017).
The house is a prefabricated home, and the warranty for it expires this year.
Unfortunately, we have discovered several defects after purchasing the house (e.g., leaking gutters, doors not closing properly, etc.).
Since these are minor issues, I haven’t taken any further action yet, other than contacting the construction company, which has addressed most of the problems.
Due to the current economic situation, I’ve been working from home in my new room for the past few days. Unfortunately, I was alarmed to hear noises coming from the wooden wall when the first rays of sunshine hit (my room has a sloped roof).
On the windowsill, there was a half-dismembered bug and a yellow “something” (see picture).
Today, two days later, the noise was still audible, although the sun was already gone.
I thought maybe a bug got trapped in the beams?

--> I also recorded a video with the sound, but unfortunately, I can’t upload it here.

Can anyone help me? Does anyone have experience with this?

I really hope for your assistance!

Thanks and best regards,
minuk

Dunkle Tischoberfläche mit Staub; zwei orange Bruchstücke und ein schwarzer, verbrannter Rest am Rand.
11ant25 Mar 2020 22:38
Minuk1234567 schrieb:

The construction company recently sealed this gap at the edge of the house at our request.
There were also similar gaps in other parts of the roof. This was considered a “cosmetic defect.”

I wonder what someone must have been smoking to call such a huge hole a “gap.” At most, a gap is what you can see in photo 6020 – which is only between the fascia board and the adjacent plaster. Behind it—apparently on both sides of a rafter overhang—is a cavity roughly the size of a foal’s leg. Whoever sealed this supposed gap probably owes their safety to the hibernation of the creatures living behind it, not being stung. Although I would assume the carcass on the windowsill to be an insect, it most likely indicates a wasp’s nest. Now in spring, it gets warm enough several times during the day for life to become active again, and they are probably urgently trying to create an opening to the outside world. Consult a pest control specialist or the fire department—this is definitely not a situation for praying, waiting, or do-it-yourself repairs. Calling it a “cosmetic defect” only applies insofar as the wall plate probably isn’t damaged—I suspect there is significant hollowing out of the insulation between the rafters.
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ypg
25 Mar 2020 23:02
ypg schrieb:

Oh? Not even 5 years after the building code?
Would you like to answer that as well?
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Minuk1234567
26 Mar 2020 18:48
ypg schrieb:

Would you like to answer that as well?

Of course, gladly.
I just asked my husband again. The house was apparently built in the second quarter of 2016. Therefore, the warranty period only expires in 2021. I must have confused "next month" with "next year." Phew...
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Minuk1234567
16 Apr 2020 12:36
We have now hired an exterminator. Meanwhile, the noise sounds like small wing beats,... even in the next room. If it continues like this for another week, he will probably come by and possibly drill into the wall.
11ant16 Apr 2020 15:31
Minuk1234567 schrieb:

If it stays like this for another week, he will probably come over and maybe drill into the wall.
Are you and/or the pest control specialist a big target?
If so, I hope they do it with the fire department and paramedics on standby!
It’s very likely not swifts nesting there, but wasps, bumblebees, or hornets—in a nest roughly the size of a deer stomach hidden behind what looks like a small gap. These are not solitary insects—if one is attracted to a small drill hole, the whole colony will be. You should have the syringe with antiserum ready. I would first check the situation using ultrasound or thermal imaging methods to find out what you’re dealing with.
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Minuk1234567
16 Apr 2020 16:17
11ant schrieb:

Are you and/or the pest control expert going to make a big catch? If so, I hope it’s done with the fire department and emergency medical services on standby! What’s probably nesting there aren’t swifts but wasps, bumblebees, or hornets—in a nest about the size of a deer’s stomach behind the supposed small crack. These are not solitary insects—if one enjoys a small drilled hole, then an entire colony does. You should have the syringe with the antiserum ready. I would first clarify what you are dealing with using ultrasound or thermographic methods.
Unfortunately, I have no expertise here and just trusted what the pest control expert suggested. Does the solo thermographic method normally come standard with pest control professionals, or who should I contact for this?