Question: What is the ruling on hanging posters in the wudu area and in other than it, which call/indicate towards the cleanliness of the masjid? And this is not inside the prayer hall of the masjid.
Answer: “There is no harm. It is permissible. That is: some notifications are permissible and there is no preventative in the Legislation for that”.
[Source]
Translated by
Faisal Ibn Abdul Qaadir Ibn Hassan
Abu Sulaymaan