Stairs Function

Basic Stair Layout Tutorial Video

Riser Limited Stair Layout Tutorial Video

Calculates stair layout solutions. With entered values for floor-to-floor rise and/or run, it will calculate Riser, Tread, Stringer, and Incline Angle values.

Notes on Changing Stored Stair Variables:
All Stair Variables are accessible from the Preferences screen. Press [Conv] [Store] to access Preferences, then scroll down to the Stored Settings section.


Related functions:


Examples:

1. You need to build a stairway with a floor-to-floor height of 10 Feet 1 Inch, a run of 15 Feet 5 Inches, and a nominal desired riser height of 7 1/2 Inches (default). Calculate all stair values.

Keystroke Display
[Clear] [Clear] 0.
10 [Feet] 1 [Inch] [Rise] Rise
10 FEET - 1 INCH
15 [Feet] 5 [Inch] [Run] Run
15 FEET - 5 INCH
[Stair] Riser Height
7 9/16 INCH *
[Stair] Risers
16.
[Stair] Riser Overage/Underage
0 INCH
[Stair] Tread Width
12 5/16 INCH
[Stair] Treads
15.
[Stair] Tread Overage/Underage
- 0 5/16 INCH
[Stair] Stairwell Opening
12 FEET - 2 1/2 INCH
[Stair] Stringer Length
18 FEET - 0 3/4 INCH
[Stair] Stair Angle of Incline
31.56°
[Stair] Run STORED
15 FEET - 5 INCH
[Stair] Rise STORED
10 FEET - 1 INCH
[Stair] Riser Height STORED
7 1/2 INCH
[Stair] Tread Width STORED
10 INCH
[Stair] Staircase Headroom STORED
6 FEET - 8 INCH
[Stair] Floor Thickness STORED
10 INCH

* A in the display means that the calculated riser height exceeds the stored desired riser height.

2. You need to build a stairway with a floor-to-floor height of 10 Feet 1 Inches and a run of 15 Feet 5 Inches. Calculate all stair values. Use the "Riser Limited" function to calculate a riser height that does not exceed the stored Desired Riser Height of 7-1/2 Inches.

Keystroke Display
[Clear] [Clear] 0.
10 [Feet] 1 [Inch] [Rise] Rise
10 FEET - 1 INCH
15 [Feet] 5 [Inch] [Run] Run
15 FEET - 5 INCH
[Conv] [Stair] (Riser Limited) Riser Height
7 1/8 INCH
[Stair] Risers
17.
[Stair] Riser Overage/Underage
0 1/8 INCH
[Stair] Tread Width
11 9/16 INCH
[Stair] Treads
16.
[Stair] Tread Overage/Underage
0 INCH
[Stair] Stairwell Opening
12 FEET - 2 1/16 INCH
[Stair] Stringer Length
18 FEET - 1 5/16 INCH
[Stair] Stair Angle of Incline
31.64°
[Stair] Run STORED
15 FEET - 5 INCH
[Stair] Rise STORED
10 FEET - 1 INCH
[Stair] Riser Height STORED
7 1/2 INCH
[Stair] Tread Width STORED
10 INCH
[Stair] Staircase Headroom STORED
6 FEET - 8 INCH
[Stair] Floor Thickness STORED
10 INCH


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