Folding Attic Stairway Installation

 

FOLLOW STEPS BELOW TO CHOOSE YOUR NEXT STAIRWAY:

 

 

1. Determine Rough Opening size

 

2. Determine Ceiling Height , Projection & Landing Space

 

3. Determine model, tread size and load capacity

 

 

 

Windsor Wood Folding Attic Stairs


Model

Model Code

Rough Opening

Finished Clearance

Clearance between Springs

Ceiling Height

Stile size*

Tread Size*

Landing space

Clearance

Load Rating
Windsor
BCT-83
22 ½ x 48
20 ½ x 46
17"
8' 5"
1 x 4
1 x 4 x 13 5/8
56"
62"
250
Windsor
BC-83
25 ½ x 48
23 ½ x 46
20"
8' 5"
1 x 4
1 x 4 x 16 ½
56"
62"
250
Windsor
BET-89
22 ½ x 54
20 ½ x 52
17"
8' 9"
1 x 4
1 x 4 x 13 5/8
64"
66"
250
Windsor
BET-100
22 ½ x 54
20 ½ x 52
17"
10' 4"
1 x 4
1 x 4 x 13 5/8
66"
79"
250
Windsor
BE-89
25 ½ x 54
23 ½ x 52
20"
8' 9"
1 x 4
1 x 4 x 16 ½
64"
66"
250
Windsor
BE-100
25 ½ x 54
23 ½ x 52
20"
10' 4"
1 x 4
1 x 4 x 16 ½
66"
79"
250

 

Premium Wood Folding Attic Stairs


Model

Model Code

Rough Opening

Finished Clearance

Clearance between Springs

Ceiling Height

Stile size*

Tread Size*

Landing space

Clearance

Load Rating
Premium
AET-89
22 ½ x 54
20 ½ x 52
17"
8' 9"
1 x 6
1 x 6 x 13 5/8
61"
70"
350
Premium
AET-100
22 ½ x 54
20 ½ x 52
17"
10' 3"
1 x 6
1 x 6 x 13 5/8
70"
80"
350
Premium
AE-89
25 ½ x 54
23 ½ x 52
20"
8' 9"
1 x 6
1 x 6 x 16 ½
61"
70"
350
Premium
AE-100
25 ½ x 54
23 ½ x 52
20"
10' 3"
1 x 6
1 x 6 x 16 ½
70"
80"
350
SpaceMaker
AG-89
30 x 54
28 x 52
24 ½"
8' 9"
1 x 6
1 x 6 x 21
61"
70"
350
SpaceMaker
AG-100
30 x 54
28 x 52
24 ½"
10' 3"
1 x 6
1 x 6 x 21
70"
80"
350
SpaceMaker
AG-89S
30 x 60
28 x 57 ¾
24 ½"
8' 9"
1 x 6
1 x 6 x 21
61"
70"
350
SpaceMaker
AG-100S
30 x 60
28 x 57 ¾
24 ½"
10' 3"
1 x 6
1 x 6 x 21
70"
80"
350

 

Supreme Aluminum Folding Attic Stairs


Model

Model Code

Rough Opening

Finished Clearance

Clearance between Springs

Ceiling Height

Stile size*

Tread Size*

Landing space

Clearance

Load Rating
Supreme
SAT-89
22 ½ x 54
20 ½ x 52
17"
8' 9"
1 x 4**
1 x 4 x 14 ½**
68"
70"
350
Supreme
SAT-100
22 ½ x 54
20 ½ x 52
17"
10' 4"
1 x 4**
1 x 4 x 14 ½**
73"
78"
350
Supreme
SA-89
25 ½ x 54
23 ½ x 52
20"
8' 9"
1 x 4**
1 x 4 x 17 ¼**
68"
70"
350
Supreme
SA-100
25 ½ x 54
23 ½ x 52
20"
10' 4"
1 x 4**
1 x 4 x 17 ¼**
73"
78"
350
Supreme
SAG-89
30 x 54
28 x 52
24 ½"
8' 9"
1 x 4**
1 x 4 x 21**
68"
70"
350
Supreme
SAG-100
30 x 54
28 x 52
24 ½"
10' 4"
1 x 4**
1 x 4 x 21**
73"
78"
350
Supreme
SA-120
25 ½ x 64
23 ½ x 62
20"
12'
1 x 4**
1 x 4 x 17 ¼**
84"
87"
350
Supreme
SAT-120
22 ½ x 64
20 ½ x 62
17"
12'
1 x 4**
1 x 4 x 14 ½**
84"
87"
350
Supreme
SAG-120
30 x 64
28 x 62
24 ½"
12'
1 x 4**
1 x 4 x 21**
84"
87"
350

 

Smooth Operator Wood Folding Attic Stairs

 

Model Code

 

Rough Opening

 

Finished Clearance

 

Clearance between Gas Struts

 

Ceiling Height

 

Stile size*

 

Tread Size*

 

Landing space

 

Clearance

 

Load Rating

BET-89G
22 ½ x 54
20 ½ x 52
17¼ "
8' 9"
1 x 4
1 x 4 x 13 5/8
64"
66"
250
BET-100G
22 ½ x 54
20 ½ x 52
17¼ "
10' 4"
1 x 4
1 x 4 x 13 5/8
66"
79"
250
BE-89G
25 ½ x 54
23 ½ x 52
20 ¼ "
8' 9"
1 x 4
1 x 4 x 16 ½
64"
66"
250
BE-100G
25 ½ x 54
23 ½ x 52
20 ¼ "
10' 4"
1 x 4
1 x 4 x 16 ½
66"
79"
250
AET-89G
22 ½ x 54
20 ½ x 52
17¼ "
8' 9"
1 x 5
1 x 6 x 13 5/8
61"
70"
350
AET-100G
22 ½ x 54
20 ½ x 52
17¼ "
10' 3"
1 x 5
1 x 6 x 13 5/8
70"
80"
350
AE-89G
25 ½ x 54
23 ½ x 52
20 ¼ "
8' 9"
1 x 5
1 x 6 x 16 ½
61"
70"
350
AE-100G
25 ½ x 54
23 ½ x 52
20 ¼ "
10' 3"
1 x 5
1 x 6 x 16 ½
70"
80"
350
AG-89G
30 x 54
28 x 52
27 ¼ "
8' 9"
1 x 5
1 x 6 x 21
61"
70"
350
AG-100G
30 x 54
28 x 52
27 ¼ "
10' 3"
1 x 5
1 x 6 x 21
70"
80"
350
AG-89SPG
30 x 60
28 x 57 ¾
27 ¼ "
8' 9"
1 x 5
1 x 6 x 21
61"
70"
350
AG-100SPG
30 x 60
28 x 57 ¾
27 ¼ "
10' 3"
1 x 5
1 x 6 x 21
70"
80"
350

 

Smooth Operator Aluminum Folding Attic Stairs

 

Model

 

Rough Opening

 

Finished Clearance

 

Clearance between Gas Struts

 

Ceiling Height

 

Stile size*

 

Tread Size*

 

Landing space

 

Clearance

 

Load Rating

SAT-89G
22 ½ x 54
20 ½ x 52
17 3/8"
8' 9"
1 x 4**
1 x 4 x 14 ½**
70"
72"
350
SAT-100G
22 ½ x 54
20 ½ x 52
17 3/8"
10' 4"
1 x 4**
1 x 4 x 14 ½**
75"
80"
350
SA-89G
25 ½ x 54
23 ½ x 52
20 3/8"
8' 9"
1 x 4**
1 x 4 x 17 ¼**
70"
72"
350
SA-100G
25 ½ x 54
23 ½ x 52
20 3/8"
10' 4"
1 x 4**
1 x 4 x 17 ¼**
75"
80"
350
SAG-89G
30 x 54
28 x 52
25"
8' 9"
1 x 4**
1 x 4 x 21**
70"
72"
350
SAG-100G
30 x 54
28 x 52
25"
10' 4"
1 x 4**
1 x 4 x 21**
75"
80"
350
SA-120G
25 ½ x 64
23 ½ x 62
20 3/8"
12'
1 x 4**
1 x 4 x 17 ¼**
86"
89"
350
SAT-120G
22 ½ x 64
20 ½ x 62
17 3/8"
12'
1 x 4**
1 x 4 x 14 ½**
86"
89"
350
SAG-120G
30 x 64
28 x 62
25"
12'
1 x 4**
1 x 4 x 21**
86"
89"
350

 

 

 

 *Nominal sizes before machining.

 **Extruded aluminum, represents comparative sizing

 

 

 

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