Tennessee Code Title 66. Property § 66-11-105

(a) The lien shall extend to, and only to, the owner's right, title or interest in the real property and improvements on the real property existing at the time of the visible commencement of operations or thereafter acquired or constructed.

(b) If any part of the real property or improvements subject to the lien is removed by the owner or any other person at any time before discharge of the lien, the removal shall not affect the rights of the lienor either in respect to the real property and improvements or the part so removed.