The fire brick are an additional layer of masonry that keeps fire from attacking your structure.
Do you need fire brick for an outdoor fireplace.
You also need a flue lining to fit within your concrete blocks.
Use a bendable board and wooden planks to create the frame of the fireplace s arch.
The main job of the firebrick is to insulate the fireplace from the heat produced and to give you a nice looking firebox.
Building a firebox out of firebrick and then placing a layer of decorative brick around the outside may be all you need to do to build a small outdoor stand alone firebox.
All the firebrick are included in the kit.
Firebrick or refractory brick is a ceramic material brick that is used to line the walls of an outdoor fireplace.
Refractory bricks are normally rated from around 1600 c upwards a braai will never reach this heat.
They are also expensive and not easily available.
Any clay face brick or semi face fired brick can be used for a braai.
I did this video to give insight on working with the fire brick and an idea of how the smoke chamber can be made.
This material is exactly what it sounds like brick designed for use with fire.
If you are building a fireplace for the house though the decorative brick and surround must be built up around the firebox and then connected to a chimney.
Firebricks are almost always used to line the actual fire pit of your outdoor fireplace.
Be sure to note the cut pieces.
Firebricks or refractory bricks are totally over specification in a domestic fireplace or braai.
Apply the corbelling technique.
Note the airgap in the corner of the firebox.
Depending on the design the interior frame of the fireplace may.