|
1x4 Treads, 1x4 Stringers, 1x4 Frame, Weight Capacity 250 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"
|
54
|
|
22" x 54"
|
8'9"
|
11
|
58"
|
66"
|
58
|
|
22" x 54"
|
10'
|
13
|
65"
|
79"
|
63
|
|
25 1/2" x 48"
|
8'5"
|
10
|
56"
|
60"
|
55
|
|
25 1/2" x 54"
|
8'9"
|
11
|
58"
|
66"
|
62
|
|
25 1/2" x 54"
|
10'
|
13
|
65"
|
79"
|
66
|
|
