Isokern Standard 36 - FTF-13 Vertical Elevation Chart

FTF-13 Vertical Elevation Chart
Height of
Chimney Only
No. of FTF-13
Chimney Lengths
12”
18” 36”
11
17
21 3/4
27 1/4
33 1/4
35
37 1/4
43 1/4
51 1/4
55 1/4
61 1/4
67 1/4
69 1/4
79 1/4
85 1/4
89 1/2
95 1/4
103 1/4
113 1/2
119 1/2
123 3/4
129 1/3
137 1/2
147 3/4
153 3/4
158
164
171 3/4
182
188
192
198
206
215 3/4
222
226 1/4
232 1/4
240
250 1/4
256 1/4
260 1/2
266 1/2
274 1/4
284 1/2
290 1/2
294 3/4
300 3/4
Height of
Chimney Only
No. of FTF-13
Chimney Lengths
Height of
Chimney Only
No. of FTF-13
Chimney Lengths
Inches Feet Inches
12”
18” 36”
Inches Feet Inches
12”
18” 36”
Inches Feet Inches
0
1
1
1
2
2
3
3
4
4
5
5
5
6
7
7
7
8
9
9
10
10
11
12
12
13
13
14
15
15
16
16
17
17
18
18
19
20
20
21
21
22
22
23
24
24
25
11
5
9 1/4
9 1/4
9 1/4
11
1 1/4
7 1/4
3 1/4
7 1/4
1 1/4
7 1/4
9 1/4
7 1/4
1 1/4
5 1/2
11 1/2
7 1/4
5 1/2
11 1/2
3 3/4
9 3/4
5 1/2
3 3/4
9 3/4
2
8
3 3/4
2
8
0
6
2
11 3/4
6
10 1/4
4 1/4
0
10 1/4
4 1/4
8 1/2
2 1/2
10 1/4
8 1/2
2 1/2
6 3/4
3/4
1
0
2
2
0
0
2
1
0
2
1
0
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
0
2
0
1
2
1
0
1
2
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
0
0
0
1
0
0
1
1
1
1
2
2
2
2
2
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
6
6
6
6
6
7
7
7
7
7
8
8
8
8
8
308 1/2
318 3/4
324 3/4
328 3/4
334 3/4
342 3/4
352 3/4
358 3/4
363
369
376 3/4
387
393
397 1/4
403 1/4
411
421 1/4
427 1/4
431 1/2
437 1/2
445 1/4
445 1/2
461 1/2
465 1/2
471 1/2
479 1/2
489 1/2
495 1/2
499 3/4
505 3/4
513 1/2
523 3/4
529 3/4
534
540
547 3/4
558
564
568 1/4
574 1/4
582
592 1/4
598 1/4
602 1/4
25
26
27
27
27
28
29
29
30
30
31
32
32
33
33
34
35
35
36
36
37
37
38
38
39
39
40
41
41
42
42
43
44
44
45
45
46
47
47
47
48
49
49
50
8 1/2
8 3/4
3/4
4 3/4
10 3/4
6 3/4
4 3/4
10 3/4
3
9
4 3/4
3
9
1 1/4
7 1/4
3
1 1/4
7 1/4
11 1/2
5 1/2
1 1/4
11 1/2
5 1/2
9 1/2
3 1/2
11 1/2
9 1/2
3 1/2
7 3/4
1 3/4
9 1/2
7 3/4
1 3/4
6
0
7 3/4
6
0
4 1/4
10 1/4
6
4 1/4
10 1/4
2 1/4
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
9
9
9
9
9
10
10
10
10
10
11
11
11
11
11
12
12
12
12
12
13
13
13
13
13
14
14
14
14
14
15
15
15
15
15
16
16
16
16
16
17
17
17
17
608 1/4
616 1/4
626 1/4
632 1/4
636 1/2
642 1/2
650 1/4
660 1/2
666 1/2
670 3/4
676 3/4
684 1/2
694 3/4
700 3/4
705
711
718 3/4
729
735
739
745
753
763
769
773 1/4
779 1/4
787
797 1/4
803 1/4
807 1/2
813 1/2
821 1/4
831 1/2
837 1/2
841 3/4
847 3/4
855 1/2
865 3/4
871 3/4
875 3/4
881 3/4
889 3/4
899 3/4
905 3/4
910
916
924
50
51
52
52
53
53
54
55
55
55
56
57
57
58
58
59
59
60
61
61
62
62
63
64
64
64
65
66
66
67
67
68
69
69
70
70
71
72
72
72
73
74
74
75
75
76
77
8 1/4
4 1/4
2 1/4
8 1/4
1/2
6 1/2
2 1/2
1/2
6 1/2
10 3/4
4 3/4
1/2
10 3/4
4 3/4
9
3
10 3/4
9
3
7
1
9
7
1
5 1/4
11 1/4
7
5 1/4
11 1/4
3 1/2
9 1/2
5 1/4
3 1/2
9 1/2
1 3/4
7 3/4
3 1/2
1 3/4
6 3/4
11 3/4
5 3/4
1 3/4
11 3/4
5 3/4
10
4
0
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
2
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
17
18
18
18
18
18
19
19
19
19
19
20
20
20
20
20
21
21
21
21
21
22
22
22
22
22
23
23
23
23
23
24
24
24
24
24
25
25
25
25
25
26
26
26
26
26
27
55