Ground becoming paak through the najaasat drying up

Q: I read somewhere that ground, wall made of bricks and trees become tahir (paak) if najasat (on them) becomes dry and there is no trace of it present?

A: Yes.

And Allah Ta'ala (الله تعالى) knows best.

Answered by:

Mufti Ebrahim Salejee (Isipingo Beach)