17
c) Due to there being curved elbow joint, sharp
edges that make draught difficult are removed.
2.2.4. Some standards
Below are other standards that must be respected when
building the chimney:
e) Use resistant and non-combustible materials. Do
not mount cement asbestos tubes.
f) Choose a vertical and straight run as possible and
do not connect various appliances to the same
chimney.
Insufficient section
pipe
INCORRECT
CORRECT
INCORRECT
CORRECT
Deviation
Too flat
deviation
Correct
Accumulation
of cinders
45°
d) Prevent the flue from ending in areas near to
constructions and it must exceed the closest peak in
height, where there is an adjoining building.
INCORRECT
CORRECT
b) Choose a place that is most protected from
cooling for the flue. Where possible, the chimney
must be on the inside of the house.
c) The inside walls must be perfectly smooth and
free of obstacles. At the joints of tubes with brick
chimneys, avoid bottlenecks.
INCORRECT
CORRECT
a) It is very important for the tube joints to be well
sealed to cover possible cracks that allow air to enter.
INCORRECT
CORRECT
Seal
Without
sealing
CORRECT
INCORRECT
