Superior Clay Catalog 2014 - page 22

W
hen
that will function properly it
is important to consider the top opening in relation to the fireplace
opening, and the base dimensions in relation to the flue they are
covering. The top opening should be in ratio to the fireplace opening.
The chimney pot opening is often smaller than the effective area of the
flue liner in order to reduce the effect of wind on the draft. Flue area
is typically about
1
/
10
the fireplace opening area for square flues and
about
1
/
12
for round flues. For chimney pots this ratio is often reduced
to
1
/
15
-
1
/
20
. The base inside dimension and the base outside dimension
should be nearly as large or larger than the largest dimension of the
flue they are being installed on. The base of the
chimney pot should not impinge on the
effective area of the flue bymore
than
3
/
4
of an inch. Many other
factors such as fireplace chimney con-
struction and house air
pressure can affect proper
chimney operation.
8
1
/
2X
13
Peerless
28" Tall
Cannon Barrel
31" Tall
Camelot
33" Tall
Beacon
36" Tall
Fairmont
59" Tall
1...,12,13,14,15,16,17,18,19,20,21 23,24,25,26,27,28,29,30,31,32,...46
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