55 Pa. Code § 6400.109 – Fireplaces.

(a) A fireplace shall be securely screened or equipped with protective guards while in use.
(b) A fireplace chimney and flue shall be cleaned at least once a year if used more frequently than once per week during the winter season. Written documentation of the cleaning shall be kept.

The provisions of this § 6400.109 adopted August 9, 1991, effective November 8, 1991, 21 Pa.B. 3595.