Build Outside Fireplace Chimney

So you want to build an outdoor fireplace before you put any marshmallows on a stick read this to determine if a diy hearth is a project you re prepared to take on.

Build outside fireplace chimney.

Build the smoke chamber. Install metal flashing where the chimney goes out through the walls. The measurements of a chimney are a minimum of four inches bigger in all directions than the flue. Complete your fireplace according to your plan by covering it with stucco a masonry veneer or your material of choice.

Use the flashing where the chimney and roof meet and as a lining installed under the chimney cap. With the smoke chamber complete you will move on to the chimney. Always use a straight edge to keep your runs straight. Once the chimney is built install sheet metal on all four sides of the 2 inch opening between the outside of the chimney and the combustible materials.

If possible install the chimney near the center of your house to heat up the largest area in the most efficient manner. As you continue building the smoke chamber you will keep the back wall of the fireplace plumb while racking the block in approximately 2 from each side. Add the firebox and flu according to the manufacturer s instructions. Use 2x4s to outline the shape of the chimney and the fireplace and cover carefully with plywood.

But if you are planning to build your own outdoor fireplace there are a few steps one must follow during construction. Wood kindling and other materials that may travel up the chimney must be at a minimum of two inches away from the outer part of the chimney. Here you can see the smoke chamber being built. The location of the fireplace largely influenced by the overall structure of your house and building codes.

Outside chimneys can be only one inch from the outer wall of the home. You will need to start building your chimney from the ground up.