United States Stove Company 6039I - Manual (Page 14)

14 USSC
THROUGH THE WALL, VERTICAL PIPE INSTALLATION WITH TERMINATION CAP
The Hearth Pad is not required under the unit if the floor is noncombustible but is required 6 inches (152mm) beyond the
front of the unit and 6 inches (152mm) beyond each side of the door if the floor is a combustble floor. wood flooring, carpet,
linoleum, etc.