How it Works
Shown with Base Unit and Size B Extensions
Base Unit (Size A)
- Exterior Left Panel
- Front Face Panel
- Exterior Right Panel
- Staircase Panel
- Interior Left Panel
- Interior Right Panel
Extensions (Sizes B - F)
- Exterior Left Extension
- Front Top Extension
- Exterior Right Extension
- Staircase Extension
- Interior Left Extension
- Interior Right Extension
All foundation contactors can capitalize on poured-in-place basement egress with The BulkTread Forming System. Contact us today to start pouring basement stairways with your foundations.
| Footing to Grade Dimension | Stairway Size | stairway Height | BulkTread Extension |
|---|---|---|---|
| 52" - 58" | A | 60" | n/a |
| 59" - 66" | B | 68" | B |
| 67" - 74" | C | 76" | C |
| 75" - 82" | D | 84" | D |
| 83" - 91" | E | 92.75" | D + F |
| 92" - 99" | F | 101 | D + F |
