A homeowner who chooses hardwood flooring is making an investment that will last 40 years or more, and he or she should protect that investment by installing humidity controls - a tool that helps the floor maintain a beautiful, trouble-free appearance.

CRACKS AND SEPARATIONS BETWEEN BOARDS

Nearly every floor endures some separation between boards.  In winter, when homes are heated and the air is dry, wood flooring gives up some of its moisture and therefore shrinks.