Factory built fireplaces have specific needs. These systems are built to be UL listed and must be maintained and cleaned regularly. There is a significant variety when dealing with factory built fireplace systems, some may have masonry facades which tends to throw most homeowners a curve ball when determining what type of system they are dealing with. Masonry facades outside run similar risks to completely masonry systems when dealing with water. If you run into this problem, we may suggest similar techniques used in masonry waterproofing. Whether dealing with a water issue, smoke coming back into the home or you are ready to replace your old unit, The Floo Network has your fireplace covered!!!