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FTF10 OFFSET ELEVATION CHART
A
B
FTF10-ES30
Offset
Height
Offset/Return
(Inches)
(Inches)
Elbow Set
4
15
1
9
24
1
12
29
1
14
33
1
17
38
1
20
43
1
21
45
1
22
47
1
25
52
1
26
54
1
28
57
1
29
59
1
31
63
1
32
65
1
34
68
1
36
71
1
37
73
1
38
75
1
39
77
1
41
80
1
43
83
1
44
85
1
45
87
1
46
89
1
48
91
1
49
94
1
51
97
1
54
103
1
55
104
1
56
106
1
59
111
1
61
116
1
64
121
1
67
124
1
69
127
1
70
130
1
73
135
1
75
138
1
79
145
1
80
147
1
82
150
1
87
159
1
Number of FTF10
FTF10-S4
Chimney Sections
Stabilizer
12"
18"
36"
0
0
0
0
0
1
0
0
0
0
1
0
0
2
0
0
0
1
1
0
0
0
2
0
0
0
0
1
0
2
1
0
0
1
2
0
0
1
0
1
0
0
3
0
0
0
1
1
0
2
0
1
0
4
1
0
0
1
1
1
0
3
0
1
0
0
2
1
0
0
0
2
0
2
1
1
0
1
4
0
0
1
0
2
0
3
1
1
0
0
3
1
0
0
1
2
0
2
0
2
0
1
5
0
0
1
1
2
0
0
2
2
0
0
0
3
0
2
1
2
0
1
2
2
1
1
0
3
1
0
1
3
1
2
0
3
1
1
3
2
1
1
1
3
1
0
2
3
1
2
1
3
1
1
0
4
1
3
1
3
1
0
1
4
1
1
1
4
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Underside Of Chimney
Figure 37
FTF10-E30 Return Elbow*
Chimney Section (S)
FTF10-30 Offset Elbow*
A
*Part of Offset/Return Package Model FTF10-ES30
Figure 38
INSTALLING OFFSETS
First, review the Offset Elevation Chart and
Figure 38 for reference.
Step 1. Determine the offset distance where
chimney is to pass through the first ceiling-
dimension "A." To find this point on your ceil-
ing, first determine the center point for a verti-
cal chimney following the instructions for ver-
tical installation.
Measure height to the ceiling from the top of
fireplace-dimension "B." Use the appropriate
Offset Elevation Chart to find dimension "A."
Mark point where you will drive your nail to
show the center point for your offset ceiling cut.
Step 2. Proceed by using the Straight Up Instal-
lation Instructions for cutting and framing ceil-
ing and roof openings.
B
13
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