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Chimney Cap Measuring
for single, double & multi flue chimney caps
made easy.....
Lets climb that ladder
once..... measure "everything" twice.
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Always measure a flue side to side, never corner to corner.
A flue may be square, rectangular, oval or round. Measure
accordingly.
Provide the inner and outer measurement to size other options
such as top sealing dampers.
If the spacing between the flues is wide enough single caps
may be used instead of double or multi flue caps.
If the flues are flush, recessed or it's just a "hole"...
measure it's opening in the crown. |
A & B Measure
to the OUTER most edge of the chimney's top. The chimney's
cement "crown".
C & D Measure the span
or OUTER most edge of each flue or group of flues.
E Measure EVERYTHING
else...spacing between the flues, the spacing to each edge of
the chimney, etc.
H Measure the height of
the flue or highest flue in the group. |
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Flue
Liner -- Usually a high temperature clay (fireclay). A round,
square or rectangular sleeve lining the interior of masonry chimneys.
This is the pathway in which the "smoke" or flue gases pass through to
exit into the atmosphere.
(Some chimney were constructed with no clay liner or metal pipe was used
as the flue pipe.)
**Always measure a flue side to side, never corner
to corner.
Chimney Crown --
Also called a "wash"... is usually a cement topping around the flues and
tapered to the chimneys sides to shed water.
(Some crowns are tapered more than others and may create a more
difficult cap installation.)
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