Hadith 257

Riyad as-Salihin

Book 17: The Book of the Prohibited actions

Chapter 348

Prohibition of Plastering and Building over the Graves

باب النهي عن تجصيص القبر والبناء عليه

Riyad as-Salihin 1767
عن جابر رضي الله عنه قال‏:‏ نهى رسول الله صلى الله عليه وسلم أن يجصص القبر، وأن يقعد عليه، وأن يبنى عليه‏.‏ ‏(‏‏(‏رواه مسلم‏)‏‏)‏
Jabir (May Allah be pleased with him) said:

The Messenger of Allah (ﷺ) forbade that the graves should be plastered (made into permanent structures), used as sitting places (for the people) or building over them.[Muslim].