Roof covering — shingles – Calculated Industries 8545 User Manual

Page 25

Text mode
Original mode

Divide by on-

[÷] 16 [Inch]

center spacing

[=]

13.96875 (studs)

Add first stud

[+] 1 [=]

14.96875 (round to 15)

Roof Covering — Shingles

You’re going to use 12” wide by 36”
long asphalt (strip) shingles with 5”
weather exposure. How many shingles
are required for a 1745 sq. ft. roof?
(Shingle exposure area = exposure x
length, and number of shingles = roof
area ÷ shingle exposure area)

Steps

Keystrokes

Display

Clear calculator

[On/C] [On/C]

Find shingle

5 [Inch] [x]

exposure area

36 [Inch] [=]

180

SQ INCH

Store in memory

[M+]

180

SQ INCH

Enter surface area 1745 [Sq] [Feet] 1745

SQ FEET

Divide by

[÷] [Rcl] [Rcl] [=]

shingle area

1396 (shingles)

Add 10% waste

[+] 10 [%]

1535.6 (1536 shingles)

User’s Guide – 25