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— 8
4 Tread Width (T-WD)
5 Number of Treads
(TRDS)
6 Tread Overage/
Underage (T+/-)
7 Stairwell Opening
(OPEN)
8 Stringer Length
(STRG)
9 Angle of Incline (INCL)
10 Stored or Calculated
Run (RUN)
11 Stored or Calculated
Rise (RISE)
12 Stored Desired Riser
Height (R-HT)
13 Stored Desired Tread
Width (T-WD)
14 Stored Headroom
(HDRM)
15 Stored Floor
Thickness (FLOR)
c t —
Calculates riser Height and
other stair values if you’re
limited by local code. The
calculated riser Height will
never exceed the stored
desired riser Height.
STAIR DEFAULT VALUES
• 7-1/2″ Desired Riser Height
• 10″ Desired Tread Width
• 10″ Floor Thickness
• 6′ 8″ Headroom
PRG4225E-E.indd 8 6/28/2016 1:03:08 PM
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