A chimney's main purpose is to emit gaseous products of combustion from a structure. It should be high enough so that the discharged products of combustion would not cause air pollution. It should be designed to withstand wind pressure and seismic forces like earthquakes. For residential chimneys, there are codes to follow for fire safety reasons. A chimney should consist of the following: chimney cap, crown, flue, ash damp and clean-out door. A chimney that would last a lifetime should have intricate planning and designing. Follow the steps below for a long-lasting chimney.
How to Build Your Own Chimney
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How To / Instruction
Difficulty: Normal
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Step
1First, check-out for the local codes that is applied in the locality. A chimney depends on the type of building or infrastructure.
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Step
2Start building the fire box with fire bricks. Then, a wall must be built around the fire box and they should be of the same level. The gap between the wall and the fire box should be filled with mortar and and bricks.
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3Next build an air-tight damper. Shape a flue around the damper while putting up the smoke chamber.
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4Build a sloping crown around the top in order to prevent rain and snow from entering the chimney. Fill the sides of the flue with mortar. After that, cap the flue with a chimney cap.
Tips and Warnings
Make sure you read the building code before you start your design.
Fill the gaps with mortars and bricks if necessary.
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