From Downtown Chattanooga:

Head south on Broad St.  Turn left at the light onto Tennessee Ave, which merges with St. Elmo Ave.  Go through the tunnel into St. Elmo, remaining on St. Elmo Ave.  Drive through historic St. Elmo, and The St. Elmo Fire Hall will be on your right, at the corner of 45th and St. Elmo Ave.

From Georgia:

Head north on St. Elmo Ave.  Drive through historic St. Elmo, and The St. Elmo Fire Hall will be on your left, at the corner of 45th and St. Elmo Ave.