c) The conduit should not come to an end
near buildings and must be higher than the nearest
obstacle if there is another building nearby.
Incorrect
d) Install the conduit in an area as protected
from the cold as possible. If possible, the chimney
should be built inside the house.
f) The internal walls must be perfectly
smooth and free from obstacles. Avoid bottlenecks
where pipes join to the brick chimneys.
Incorrect
Incorrect
f) It is very important to ensure that the
joints of the pipes are well sealed to avoid possible
cracks through which air may enter.
Correct
Fig.4
Correct
Correct
Fig.5
Incorrect
Incorrect
In order to verify the air-tightness of the chimney,
you may:
- Cover the outlet on the roof.
- Introduce damp paper and straw at the
bottom of the chimney and light it up.
- Watch for possible cracks through which
smoke leaks out and seal them.
Chimney Cover
g) The chimney should be one metre
higher than the highest part of the house. If you
need to increase the draw, extend the length of the
chimney.
Incorrect
32
Correct
Correct
Fig.6
Smoke outlet
(Cover)
Paper and
damp straw
Fig.7
At least 1 metre
higher
Correct
Fig.8