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2. Enter base, then find stud lengths and angle of incline:
7
Conv
Rise
Feet
Rise
Rise
Rise
Rise
Rise
Rise
Rise
Rise
Rise
Rise
Roofing Materials
Remember to press
The Roof function solves for the amount of bundles and squares for standard gable-end style roofs.
Bundles are based on a coverage area of 33.33 Square Feet, and squares are based on 100 Square
Feet.
ROOF COVERING - ENTERING PITCH, LENGTH AND WIDTH
Example: Find the roof area and number of roofing squares, number of bundles and 4 x 8 sheets
required for a 12 inch Pitch roof covering a floor area of 16 Feet by 13 Feet. Also calculate the plan
area.
KEY INPUT & DISPLAY
1. Enter Pitch and floor area*:
On/C
On/C
1
2
Inch
Pitch
1
6
Feet
Length
1
3
Feet
Width
2. Find roof area:
(Roof)
Conv
Diag
3. Find number of roofing squares:
Diag
4. Find number of bundles:
Diag
5. Display bundle size/area:
Diag
6. Find number of 4 x 8 sheets:
Diag
(R/Wall)
to clear entries in between problems.
On/C
On/C
Page 44
BASE 7
0
Feet
Inch
RWOC
16
STORED
Inch
RW1 11
4
Feet
Inch
RW2 10
8
Feet
Inch
RW3 10
0
Feet
Inch
RW4 9
4
Feet
Inch
RW5 8
8
Feet
Inch
RW6 8
0
Feet
Inch
RW7 7
4
Feet
Inch
BASE 7
0
Feet
Inch
RW 26.57˚
0
PTCH 12
Inch
LNTH 16
0
Feet
Inch
WDTH 13
0
Feet
Inch
ROOF 294.1564
SQ Feet
SQRS 2.94
BNDL 8.82
B-SZ 33.33
SQ Feet
4x8 9.19
Cont'd on page 45
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