While common outside the US, most of it in newer constructions tends to be light concrete which is trivial to drill. But even 40MPa concrete is fine with an SDS, rent one if you don't wish to spend money on. In short drilling through outer walls is not difficult either.
While common outside the US, most of it in newer constructions tends to be light concrete which is trivial to drill. But even 40MPa concrete is fine with an SDS, rent one if you don't wish to spend money on. In short drilling through outer walls is not difficult either.