32 Models
How to choose your model:
Simply measure the floor to floor (not floor to ceiling) vertical height of your stair project and then choose from the chart below the Fast-Stairs® adjustable model that matches the desired height of your stairs. Make sure you have the necessary bottom floor horizontal run and that your top floor opening is large enough (75% of horizontal run) for an 80" head clearance.6 7/8" riser height
11" step run
32° angle
Commercial/public code compliant
7 7/16" riser height
10 1/4" step run
36.5° angle
Residential code compliant
7 3/4" riser height
10" step run
38° angle
Residential code compliant
8 1/4" riser height
7 1/2" step run
48° angle
Space saver
OSHA compliant
| Vertical stair heights | Horizontal run |
| Vertical stair heights | Horizontal run |
| Vertical stair heights | Horizontal run |
| Vertical stair heights | Horizontal run |
| Reg. 10% discount online order |
(Top 2 + bottom 2 steps)
+ connectors
|
| 26" to 29" | 49" |
| Order P4 Stringers | |
| 33" to 36" | 49" |
| 29" to 31" | 47" |
| Order A4 Stringers | |
| 36" to 38" | 47" |
| 30" to 32" | 45" |
| Order B4 Stringers | |
| 38" to 40" | 45" |
| 32" to 34" | 35" |
| Order C4 Stringers | |
| 40" to 43" | 35" |
$199
+ shipping
plus one 2 steps extension
+ connectors
|
| 40" to 43" | 71" |
| Order P6 Stringers | |
| 47" to 50" | 71" |
| 43" to 46" | 67" |
| Order A6 Stringers | |
| 51" to 54" | 67" |
| 46" to 48" | 65" |
| Order B6 Stringers | |
| 53" to 56" | 65" |
| 48" to 51" | 49" |
| Order C6 Stringers | |
| 56" to 59" | 49" |
$299
+ shipping
plus two 2 steps extension
+ connectors
|
| 53" to 57" | 93" |
| Order P8 Stringers | |
| 60" to 64" | 93" |
| 58" to 61" | 87" |
| Order A8 Stringers | |
| 65" to 69" | 87" |
| 60" to 64" | 85" |
| Order B8 Stringers | |
| 68" to 72" | 85" |
| 64" to 68" | 64" |
| Order C8 Stringers | |
| 73" to 77" | 64" |
$399
+ shipping
(Top 5 + bottom 5 steps)
+ connectors
|
| 67" to 71" | 115" |
| Order P10 Stringers | |
| 74" to 78" | 115" |
| 72" to 77" | 107" |
| Order A10 Stringers | |
| 79" to 84" | 107" |
| 75" to 80" | 106" |
| Order B10 Stringers | |
| 83" to 88" | 106" |
| 80" to 85" | 79" |
| Order C10 Stringers | |
| 88" to 93" | 79" |
$499
+ shipping
plus one 2 steps extension
+ connectors
|
| 80" to 84" | 137" |
| Order P12 Stringers | |
| 87" to 91" | 137" |
| 87" to 92" | 127" |
| Order A12 Stringers | |
| 94" to 99" | 127" |
| 91" to 96" | 126" |
| Order B12 Stringers | |
| 98" to 103" | 126" |
| 96" to 101" | 94" |
| Order C12 Stringers | |
| 105" to 110" | 94" |
$589
+ shipping
plus two 2 steps extension
+ connectors
|
| 94" to 99" | 159" |
| Order P14 Stringers | |
| 101" to 106" | 159" |
| 102" to 107" | 148" |
| Order A14 Stringers | |
| 109" to 114" | 148" |
| 106" to 111" | 146" |
| Order B14 Stringers | |
| 114" to 119" | 146" |
| 113" to 118" | 109" |
| Order C14 Stringers | |
| 121" to 126" | 109" |
$669
+ shipping
plus three 2 steps extension
+ connectors
|
| 107" to 113" | 181" |
| Order P16 Stringers | |
| 114" to 120" | 181" |
| 116" to 122" | 169" |
| Order A16 Stringers | |
| 124" to 130" | 169" |
| 122" to 127" | 166" |
| Order B16 Stringers | |
| 129" to 135" | 166" |
| 129" to 135" | 124" |
| Order C16 Stringers | |
| 138" to 142" | 124" |
$729
+ shipping
plus four 2 steps extension
+ connectors
|
| 119" to 124" | 203" |
| Order P18 Stringers | |
| 126" to 132" | 203" |
| 131" to 137" | 188" |
| Order A18 Stringers | |
| 139" to 145" | 188" |
| 137" to 143" | 187" |
| Order B18 Stringers | |
| 145" to 151" | 187" |
| 145" to 152" | 139" |
| Order C18 Stringers | |
| 153" to 160" | 139" |
$799
+ shipping
| Vertical stair heights | Horizontal run |
| Vertical stair heights | Horizontal run |
| Vertical stair heights | Horizontal run |
| Vertical stair heights | Horizontal run |
| Reg. 10% discount online order |
32 Models
6 7/8" riser height
11" step run
32° angle
Commercial/public code compliant
7 7/16" riser height
10 1/4" step run
36.5° angle
Residential code compliant
7 3/4" riser height
10" step run
38° angle
Residential code compliant
8 1/4" riser height
7 1/2" step run
48° angle
Space saver
OSHA compliant