External window sill overhang different

is of course nonsense. They are ordered exactly so that it fits in the end.

What do you think about it?

Can you please upload some pictures?

I measured the distance between the window and the facade today. This is almost everywhere about 10cm. The distance from the facade to the outer edge of the windowsill varies.

Where does this different distance come from?

I will take some pictures the day after tomorrow. Thank you very much for your opinions and have a good slide into the new year.

Where does this different spacing come from?

Some idiot ordered the wrong window sills and installed them with full conviction, assuming the circumstances presented by superzapp are correct.

Aluminum exterior window sills can be ordered and installed for each individual window with the desired depth and width - therefore, the failure was due to insufficient execution planning.

That must be sent by registered mail to Isernhagen, with a deadline! As far as I know, you have an expert, you can ask him. I think the windowsills have to be torn out and put in again. A windowsill defect with the same contractual partner cost us about 2.5 years and a preservation of evidence procedure. Better be the bitingly dog that is thrown one more bone!

Best regards
Gabriele