|
1x6 Treads, 1x5 Stringers, 1x5 Frame, Weight Capacity 300 lbs
*Most of the competition has 1 or 2 treads less.
** It is recommended adding 18" to the landing space dimensions for safe ascent or descent of the stairway.
|
Rough
Opening
W x L
|
Ceiling
Height
|
# of
Treads*
|
A**
Landing
Space
|
B
Projection
|
lbs.
per Unit
|
|
22" x 48"
|
8'5"
|
10
|
56"
|
60"
|
64
|
|
22" x 54"
|
8'9"
|
11
|
58"
|
66"
|
67
|
|
22" x 54"
|
10'
|
13
|
65"
|
79"
|
70
|
|
22" x 60"
|
9'3"
|
11
|
61"
|
72"
|
70
|
|
22" x 60"
|
10'8"
|
13
|
70"
|
80"
|
75
|
|
25 1/2" x 48"
|
8'5"
|
10
|
56"
|
60"
|
68
|
|
25 1/2" x 54"
|
8'9"
|
11
|
58"
|
66"
|
70
|
|
25 1/2" x 54"
|
10'
|
13
|
65"
|
79"
|
84
|
|
25 1/2" x 60"
|
9'3"
|
11
|
61"
|
72"
|
79
|
|
25 1/2" x 60"
|
10'8"
|
13
|
70"
|
80"
|
84
|
|
30" x 54"
|
8'9"
|
11
|
58"
|
66"
|
84
|
|
30" x 54"
|
10'
|
13
|
65"
|
79"
|
92
|
|
30" x 60"
|
8'9"
|
11
|
58"
|
66"
|
94
|
|
30" x 60"
|
9'3"
|
11
|
61"
|
72"
|
91
|
|
30" x 60"
|
10'
|
13
|
65"
|
79"
|
96
|
|
30" x 60"
|
10'8"
|
13
|
70"
|
80"
|
96
|
|
