31
c) Prevent the flue from ending in areas near to constructions and it must exceed the
closest peak in height, where there is a adjoining building.
Fig.-5
d) The inside walls must be perfectly smooth and free of obstacles. At the joints of
tubes with brick chimneys, avoid bottlenecks.
Fig.-6
e) It is very important for the tube joints to be well sealed to cover possible cracks that
allow air to enter.
Fig.-7
