Note: For commercial stairs, I.B.C. code requires a maximum RISE of 7" and minimum RUN of 11".
*Denotes required field.
Will the stair be set on finished surface or sub-surface ?* Click to select.
Will the top rise have a finished riser facing or set flush ?* Click to select.
The top stringer may be cut horizontally (C) to match the top surface or base board height, etc.
* Denotes required field.
Does your tread have a nose? YES NO
Will stairs be INTERIOR or EXTERIOR ?
Note: Customer must decide method screw type and quantity for rise and tread attachment.
Disclaimer: All specifications noted in this calculator are approximate. Use at your own discretion.