S.C. Code Ann. § 16-11-140
It is unlawful for a person to (a) wilfully and maliciously set fire to or burn or cause to be burned, or (b) aid, counsel, or procure the burning of any:
(4) pile of planks, boards, posts, rails, or other lumber.
A person who violates the provisions of this section is guilty of a misdemeanor and, upon conviction, must be imprisoned not more than three years.