3–24.
How many rolls of 30-pound felt are
required to cover 48,400 square
feet?
1.
121
2.
242
3.
363
4.
484
3-25.
Which of the following materials
should be used as an underpayment?
1.
Coated felt
2.
Laminated waterproof paper
3.
Asphalt-saturated felt
4.
Polyethylene sheets
3-26.
Along cave lines where ice dams
might occur, what type of roofing
material is recommended?
1.
15-lb felt
2.
30–lb felt
3.
55–lb mineral surface
4.
55-lb smooth surface
3-27.
Forty-two and one/third squares of
strip shingles are contained in how
many bundles?
1.
127
2.
381
3.
609
4.
1,143
3-28.
When applying asphalt shingles, how
far past the drip edge should you
extend the first course to prevent
water from backing up under the
shingles?
1. 1 in.
2. 5 in.
3.
5/8 in.
4.
1/4 in.
3-29.
Flashing has what primary
purpose(s)?
1.
Reflect heat only
2.
Protect against water seepage
only
3.
Both 1 and 2 above
4.
Act as a vapor barrier
3-30.
The concealed nailing method of
installing roll roofing is used
when maximum service life is
required.
1.
True
2.
False
3-31.
A 24-inch-long wood shingle on a
roof with a 1/4 pitch should have
what maximum exposure?
1.
5
in.
2.
5 1/4 in.
3.
5 3/4 in.
4.
7 1/2 in.
3-32.
What is/are the primary
difference(s) in the installation
of wood shakes and wood shingles?
1.
Shorter nails are used with
wood shingles only
2.
Shingles have less exposure
only
3.
An underpayment between each
course of shakes only
4.
All of the above
3-33.
What is the most common type of
ridge used on asphalt shingle
roofs?
1.
Boston
2.
Sheet metal
3.
Tile
4.
Prefabricated
3-34.
Roofing asphalts are graded on what
characteristic?
1.
Color
2.
Weight per pound
3.
Temperature at which they begin
to flow
4.
Temperature at which they begin
to soften
3-35.
In built-up roofing, which of the
following types of felts should be
used?
1.
Organic only
2.
Glass fiber only
3.
Glass fiber and asphalt only
4.
Any of the above
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