|
Ladder
Length Guidelines
The following table is provided for your convenience.
We believe that the data presented is reliable, however we make no claim as to
the accuracy of the information.
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Ladder Length
Guidelines |
STEP LADDER
HEIGHT SELECTION GUIDE |
|
EXTENSION LADDER
LENGTH SELECTION GUIDE |
|
STEP
LADDER
SIZE |
APPROX.
HIGHEST
STANDING
LEVEL |
|
LADDER SIZE |
MAXIMUM EXTENDED LENGTH |
*WORKING RANGE TO TOP SUPPORT |
*MAXIMUM ACCESSIBLE ROOF HEIGHT RANGE
|
| 4' |
1' 11" |
|
16' |
13' |
7-1/2' - 12 1/2' |
4-1/2 - 9-1/2' |
| 5' |
2' 10" |
|
20' |
17' |
9-1/2 - 16-1/2' |
6-1/2 - 13-1/2' |
| 6' |
3' 9" |
|
24' |
21' |
11-1/2 - 20' |
8-1/2 - 17' |
| 7' |
4' 9" |
|
28' |
25' |
13-1/2 - 24' |
10-1/2 - 21' |
| 8' |
5' 8" |
|
32' |
29' |
15-1/2 - 28' |
12-1/2 - 25' |
| 10' |
7' 7" |
|
36' |
32' |
17-1/2 - 31' |
14' - 28' |
| 12' |
9' 6" |
|
40' |
35' |
19' - 33-1/2' |
16' - 30-1/2' |
| 14' |
11' 5" |
|
44' |
39' |
21' - 37-1/2' |
18' - 34-1/2' |
| 16' |
13' 4" |
|
48' |
43' |
23' - 41-1/2' |
20' - 38-1/2' |
| 18' |
15' 3" |
|
60'
(3 section extension) |
48' |
23' 46-1/2' |
20' - 43-1/2' |
| 20' |
17' 2" |
|
*When set up at
the proper 75-1/2° angle |
| Ladder Types |
| TYPE |
DUTY RATING |
WORKING LOAD
(LBS. MAX) |
| IA |
Industrial-extra heavy |
300 |
| I |
Industrial-heavy |
250 |
| II |
Commercial-medium |
225 |
| III |
Household-light |
200 |
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