Many people have homes with modern or contemporary decor in which traditional logs would be out of place. For fireplaces that require an alternative to logsets CornerstoneMantels.com offers FireBalls, FireStones and FireShapes in venteed and vent-free models. Each of these products are made from the same fire-proof material from which gas logs are made. The objects are available in a variety of colors. Vented sets are intended for use with Custom Pan Burners. Vent-free sets have their own special chassis/burner/control assembly for each type.