NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
5
FTF8 VERTICAL ELEVATION CHART
Table 3a
Height Of Chimney
Only
Number Of FTF8
Chimney Components
Height Of
Chimney
Only
Inches
Feet/Inches
12"
18"
24"
36"
48"
-S4
Meters
247-1/2
20' 7-1/2"
0
1
0
0
5
–
6.29
253-1/2
21' 1-1/2"
0
0
1
0
5
–
6.44
257-3/4
21' 5-3/4"
1
1
0
0
5
–
6.55
263-3/4
21' 11-3/4"
1
0
1
0
5
–
6.70
269-3/4
22' 5-3/4"
0
1
1
0
5
–
6.85
275-3/4
22' 11-3/4"
1
0
0
1
5
–
7.00
277-1/2
23' 1-1/2"
0
0
0
0
6
–
7.05
281-3/4
23' 5-3/4"
0
1
0
1
5
–
7.16
287-3/4
23' 11-3/4"
1
0
0
0
6
–
7.31
293-3/4
24' 5-3/4"
0
1
0
0
6
–
7.46
299-3/4
24' 11-3/4"
0
0
1
0
6
–
7.61
304
25' 4"
1
1
0
0
6
–
7.72
310
25' 10"
1
0
1
0
6
–
7.87
316
26' 4"
0
1
1
0
6
–
8.03
322
26' 10"
1
0
0
1
6
–
8.18
323-3/4
26' 11-3/4"
0
0
0
0
7
–
8.22
328
27' 4"
0
1
0
1
6
–
8.33
334
27' 10"
1
0
0
0
7
–
8.48
340
28' 4"
0
1
0
0
7
–
8.64
346
28' 10"
0
0
1
0
7
–
8.79
350-1/4
29' 2-1/4"
1
1
0
0
7
–
8.90
356-1/4
29' 8-1/4"
1
0
1
0
7
–
9.05
365-1/4
30' 5-1/4"
0
1
1
0
7
1
9.28
371-1/4
30' 11-1/4"
1
0
0
1
7
1
9.43
373
31' 1"
0
0
0
0
8
1
9.47
377-1/4
31' 5-1/4"
0
1
0
1
7
1
9.58
383-1/4
31' 11-1/4"
1
0
0
0
8
1
9.73
389-1/4
32' 5-1/4"
0
1
0
0
8
1
9.89
395-1/4
32' 11-1/4"
0
0
1
0
8
1
10.04
399-1/2
33' 3-1/2"
1
1
0
0
8
1
10.15
405-1/2
33' 9-1/2"
1
0
1
0
8
1
10.30
411-1/2
34' 3-1/2"
0
1
1
0
8
1
10.45
417-1/2
34' 9-1/2"
1
0
0
1
8
1
10.60
419-1/4
34' 11-1/4"
0
0
0
0
9
1
10.65
423-1/2
35' 3-1/2"
0
1
0
1
8
1
10.76
429-1/2
35' 9-1/2"
1
0
0
0
9
1
10.91
435-1/2
36' 3-1/2"
0
1
0
0
9
1
11.06
441-1/2
36' 9-1/2"
0
0
1
0
9
1
11.21
445-3/4
37' 1-3/4"
1
1
0
0
9
1
11.32
451-3/4
37' 7-3/4"
1
0
1
0
9
1
11.47
457-3/4
38' 1-3/4"
0
1
1
0
9
1
11.63
463-3/4
38' 7-3/4"
1
0
0
1
9
1
11.78
465-1/2
38' 9-1/2"
0
0
0
0
10
1
11.82
469-3/4
39' 1-3/4"
0
1
0
1
9
1
11.93
475-3/4
39' 7-3/4"
1
0
0
0
10
1
12.08
481-3/4
40' 1-3/4"
0
1
0
0
10
1
12.24
486
40' 6"
1
0
1
1
9
1
12.34
Height Of Chimney
Only
Number Of FTF8
Chimney Components
Height Of
Chimney
Only
Inches
Feet/Inches
12"
18"
24"
36"
48"
-S4
Meters
10-1/4
0' 10-1/4"
1
0
0
0
0
–
0.26
16-1/4
1' 4-1/4"
0
1
0
0
0
–
0.41
22-1/4
1' 10-1/4"
0
0
1
0
0
–
0.57
26-1/2
2' 2-1/2"
1
1
0
0
0
–
0.67
32-1/2
2' 8-1/2"
1
0
1
0
0
–
0.83
34-1/4
2' 10-1/4"
0
0
0
1
0
–
0.87
38-1/2
3' 2-1/2"
0
1
1
0
0
–
0.98
44-1/2
3' 8-1/2"
1
0
0
1
0
–
1.13
46-1/4
3' 10-1/4"
0
0
0
0
1
–
1.17
50-1/2
4' 2-1/2"
0
1
0
1
0
–
1.28
56-1/2
4' 8-1/2"
1
0
0
0
1
–
1.44
62-1/2
5' 2-1/2"
0
1
0
0
1
–
1.59
68-1/2
5' 8-1/2"
0
0
1
0
1
–
1.74
72-3/4
6' 3/4"
1
1
0
0
1
–
1.85
78-3/4
6' 6-3/4"
1
0
1
0
1
–
2.00
84-3/4
7' 3/4"
0
1
1
0
1
–
2.15
90-3/4
7' 6-3/4"
1
0
0
1
1
–
2.31
92-1/2
7' 8-1/2"
0
0
0
0
2
–
2.35
96-3/4
8' 3/4"
0
1
0
1
1
–
2.46
102-3/4
8' 6-3/4"
1
0
0
0
2
–
2.61
108-3/4
9' 3/4"
0
1
0
0
2
–
2.76
114-3/4
9' 6-3/4"
0
0
1
0
2
–
2.91
119
9' 11"
1
1
0
0
2
–
3.02
125
10' 5"
1
0
1
0
2
–
3.18
131
10' 11"
0
1
1
0
2
–
3.33
137
11' 5"
1
0
0
1
2
–
3.48
138-3/4
11' 6-3/4"
0
0
0
0
3
–
3.52
143
11' 11"
0
1
0
1
2
–
3.63
149
12' 5"
1
0
0
0
3
–
3.78
155
12' 11"
0
1
0
0
3
–
3.94
161
13' 5"
0
0
1
0
3
–
4.09
165-1/4
13' 9-1/4"
1
1
0
0
3
–
4.20
171-1/4
14' 3-1/4"
1
0
1
0
3
–
4.35
177-1/4
14' 9-1/4"
0
1
1
0
3
–
4.50
183-1/4
15' 3-1/4"
1
0
0
1
3
–
4.65
185
15' 5"
0
0
0
0
4
–
4.70
189-1/4
15' 9-1/4"
0
1
0
1
3
–
4.81
195-1/4
16' 3-1/4"
1
0
0
0
4
–
4.96
201-1/4
16' 9-1/4"
0
1
0
0
4
–
5.11
207-1/4
17' 3-1/4"
0
0
1
0
4
–
5.26
211-1/2
17' 7-1/2"
1
1
0
0
4
–
5.37
217-1/2
18' 1-1/2"
1
0
1
0
4
–
5.52
223-1/2
18' 7-1/2"
0
1
1
0
4
–
5.68
229-1/2
19' 1-1/2"
1
0
0
1
4
–
5.83
231-1/4
19' 3-1/4"
0
0
0
0
5
–
5.87
235-1/2
19' 7-1/2"
0
1
0
1
4
–
5.98
241-1/2
20' 1-1/2"
1
0
0
0
5
–
6.13
Table 3b
