14 — C
ONSTRUCTION
M
ASTER
®
P
RO
/ T
RIG
/ D
ESKTOP
Roof Materials/Covering Function
The
Construction Master Pro's Roof
function provides a quick calcu-
lation of roof area, number of squares and bundles, and number of
4 x 8 sheets required for roof coverage.
Ç d
Roof
— Given an entered Pitch (or Rise and Run)
and plan area (or Length and Width), calculates
the following:
Press Result
1 Roof Area (ROOF)
2 Number of Roof Squares (SQRS)
3 Number of Roof Bundles (BNDL)
4 Roof Bundle Size* (B-SZ)
5 Number of 4 x 8 Sheets (4X8)
6 Pitch (PTCH)
7 Plan Area (PLAN)
*Roof bundle size is 33.33 Square Feet.
Stair Key
The
Construction Master Pro
easily 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 simply by pressing
the s key.
s
Stair
— A multi-function key that uses a stored Riser
Height, stored Tread Width, stored Headroom
Height and Floor Thickness, and entered Rise and
Run values to calculate and display the following:
Press Result
1 Actual Riser Height (R-HT)
2 Number of Risers (RSRS)
3 Riser Overage/Underage (R+/-)
4 Tread Width (T-WD)
5 Number of Treads (TRDS)
6 Tread Overage/Underage (T+/-)
7 Stairwell Opening (OPEN)
8 Stringer Length (STRG)
9 Incline Angle* (INCL)
10 Run of Treads (RUN)
11 Floor-to-Floor Rise (RISE)
(Cont’d)
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