We won't burn wood in our brass fireplace anymore. Now, you will find our elegant brass fireplace trim. The opening dimensions of the fireplace that you need are 27 "wide by 26" tall. The outside dimensions are 40 1/4 "by 29" high after this brass fireplace trim is in place. This fireplace trim has expanded metal screen for opening and closing the screen with pull cords. Under the opening there is a ventilation to warm up your room. The tempered glass doors are bi-fold and there is no crack in glass.