Ladder Length Guidelines
STEP LADDER HEIGHT SELECTION GUIDE
EXTENSION LADDER LENGTH SELECTION GUIDE
STEPLADDER 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
