In the event that you cannot build a fireplace next to the wall, and you need to do insulation, make sure that the foundation of the fireplace is reliable. This can be achieved with crushed stone, gravel, as well as broken brick. The insulation should be equipped below the floor level so as not to interfere with the use of fireplace. In addition, the foundation of your home should not be associated with the foundation of the fireplace. To create a pipe, use refractory bricks, in case of its absence, sheets of metal are suitable. With the help of a fireplace, you can protect the house from sparks that can accidentally jump out of the fireplace and provoke a fire.