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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
11
Using a FTF8-CTDT Chase Termination:
Refer to specific installation instructions in-
cluded with the FTF8-CTDT chase termination
for clearance and installation details.
Using a FTF8-CT1 Chase Termination:
Refer to specific installation instructions in-
cluded with FTF8-CT1 chase terminations for
clearance and installation details.
Using a FTF8-CT2 Chase Termination:
Refer to specific installation instructions in-
cluded with FTF8-CT2 chase terminations for
clearance and installation details.
Using a FTF8-CTT Chase Termination:
Refer to specific installation instructions in-
cluded with FTF8-CTT chase terminations for
clearance and installation details.
Using a FTF8-ATT Chase Termination:
Refer to specific installation instructions in-
cluded with FTF8-ATT chase terminations for
clearance and installation details.
Note: It is recommended that all exterior ex-
posed metal fireplace components; such as ter-
minations, flashings, storm collars and/or flue
be painted with a premium quality, high tem-
perature, rust preventative paint designed for
metal. This is especially important when instal-
lations are made in abnormally adverse or corro-
sive environments; such as near lakes, oceans or
in areas with consistently high humidity condi-
tions. Consult the paint manufacturers instruc-
tions for proper preparation and application.
Figure 35
Less Than 10'
3'
Min
2' Min.
10'
3'
Min
TEN FOOT RULE SUMMARY
The minimum chimney height above the roof
and/or to adjacent walls and buildings is speci-
fied by all major building codes.
If the horizontal distance from the peak of the
roof is less then 10', the top of the chimney
must be at least 2' above the peak of the roof.
If the horizontal distance from the chimney
edge to the peak of the roof is more than 10' a
chimney height reference point is established
on the roof surface 10' horizontally from the
chimney edge. The top of the chimney must be
at least 2' above this reference point. In all
cases, the chimney cannot be less then 3'
above the roof at the edge of the chimney.
The 2' in 10' rule is necessary in the interest of
safety but does not ensure smoke-free opera-
tion. Trees, buildings, adjoining roof lines,
adverse wind conditions, etc., may require a
taller chimney should the fireplace not draft
properly (
see Figure 35
).
MULTIPLE TERMINATIONS
If more than one termination is located in the
same chase or within the same general prox-
imity, we suggest they should be separated in
distance at least 24" horizontally from flue
center to flue center and stacked or staggered
vertically at least 18" apart, from the termina-
tion of one smoke exit to the termination of
another smoke exit (
Figure 36
).
CTD
18"
18"
24"
24"
CTDT
CTDT
Figure 36
This suggestion is provided in the interest of
better operation. If the terminations are located
too close to each other, smoke may migrate
from one flue into the other.
FTF8 CHIMNEY COMPONENT
CALCULATIONS
The minimum installed height of the com-
pleted fireplace system is 15' 0". The maxi-
mum height is 60' 0".
To determine the number of chimney sections
and chimney components required, follow
these steps:
1. Determine total vertical height of the fireplace
installation. This dimension is the distance from
the surface the fireplace sets on to the point
where smoke exits from the termination.
2. Determine the number of chimney compo-
nents required, except chimney sections. This
would include firestop spacers, stabilizers, roof
flashing, etc.
3. The effective heights of the components are:
The Fireplace = 43-1/2"
FTF8-12 = 10-1/4"
FTF8-18 = 16-1/4"
FTF8-36 = 34-1/4"
FTF8-48 = 46-1/4"
FTF8-CTD Termination = 4"
FTF8-CT1 Termination = 12" to 18"
FTF8-CT2 Termination = 15" to 23"
FTF8-CTDT Termination = 12" to 18"
FTF8-CTT Termination = 6" to 14"
FTF8-ATT Termination = 8" to 14"
FTF8-S4 Stabilizer * = 3"*
* Required for every 30' of vertical chimney
and/or 10' of offset chimney.