- Lower Floor to top of each tread
(Possible landing heights. Blue = middle)
To calculate and display upper floor opening and stair head-room, enter upper floor thickness, check the Show Head-room
drag the Head
slider to calculate and animate diagram head-room and floor opening.
For concrete stairs, select Concrete Thickness
and enter the throat thickness (see diagram) and Stair Width
to calculate formwork dimensions and concrete volume.
For timber stairs, select Stringer Width
and enter the width of the stringer.
If you're cutting concrete, stone or ANYTHING
and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST
- Silicosis Sucks