A wasp nest can be problematic in and around the house. In order to keep the annoying and not harmless predatory insects at bay, there are a few options - with varying degrees of effectiveness. Is plugging the entry holes a viable option?

When a wasp nest becomes worth fighting
Whether you should take measures against a wasp nest in the attic or in the roller shutter box depends very much on the individual situation. Before you mess with the defensive, spike-armed predatory insects, you should think twice about whether you can somehow live with them. Then:
- The social, colony-forming wasp species in particular can be quite dangerous
- Certain wasp species are under special protection
- Animals can also come in handy in the garden
- They do not cause any significant damage to the building fabric
As a rule, it is only worth taking action against the wasps, which only occur every six months anyway, if there is an allergy to insect venom or if small children are threatened by the animals.
It is generally not advisable to take on the wasps yourself. It requires some experience and tact to deal with the animals safely and effectively. If possible, an expert should be commissioned for measures such as destroying or relocating a wasp nest.
In addition, the impairment or even killing of some wasp species, especially the hornet, is a punishable offense under federal nature conservation law. So don't put yourself and the animals under unnecessary stress.
Not just animal cruelty, but more self-impairment
Of course, massive disruption and wanton killing is simply plugging up the entry holes of the nest to prevent the wasps from flying in and out and potentially starving and suffocating them. On the one hand, this is punishable animal cruelty, on the other hand, you may get even more trouble with it. Because the trapped wasps will of course try to free themselves somehow - usually by gnawing through previously undamaged building components such as seals or wooden beams. The damage to the beams or in the window area, which is insignificant in itself, can only increase.
In addition, closed doors on the nest naturally make the wasps who stayed outside angry when they fly home. Once you've locked yourself out, you know that feeling - when someone else locks you out of your own home, that's a bigger deal. Anyone who plugs up nest entry holes must therefore expect increased aggressiveness from the wasps that stayed outside and thus cut themselves in the flesh.