Concrete holds heat but does not burn, making it an ideal choice for a fireplace surround. Concrete has a sense of mass that helps to add a solid and timeless feel to the fireplace. The flush mount style of today's gas fireplace units are ordinary, but with a custom designed surround, they become focal points. For those that enjoy cozying up by the fire, consider adding a warm elevated hearth like the ones pictured below. Click here to see portfolio photos.