Griffith and LeBlanc cozy up on the Flexform sectional in the den, where one of the home’s two original wood-burning fireplaces has received a new concrete hearth and mantel. The room, which is located a half flight of stairs down from the main living area, feels unusually light and airy because of new, wider sliding doors and and a fresh coat of bright white paint.  Photo 6 of 13 in On the Level