401.
Tapered rigid insulation usually comes in widths of
A
18 inches
B
24 inches
C
36 inches
D
4 feet
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Tapered rigid insulation usually comes in widths of
18 inches
24 inches
36 inches
4 feet
Tapered rigid insulation usually comes in lengths of how many feet?
2
3
4
8
Tapered rigid insulation usually comes in
2 foot by 2 foot dimension with a taper across the 2 foot dimension
2 foot widths with a taper across the 2 foot dimension
2 foot lengths with a taper across the 2 foot dimension
2 foot and even increments to ten feet
suggested valley flashing for metal roofs is
Aluminum
Terne
Stainless steel
Galvanized iron
Steel purlins are normally spaced
2 feet on center
2 feet edge to edge
3 feet on center
4 feet on center
Steel decks shall be a minimum of gage steel.
26
24
22
20
Special steep asphalt softens at
205 to 225 degrees
180 to 205 degrees
158 to 176 degrees
135 to 151 degrees
Spanish clay roof tile should take an average of man-hours per square to install, on an average roof, per the National Construction Estimator.
2 to 3
lto 2
3 to 4
5 to 6
Slate headlap should be a constant
3 inches
6 inches
1 foot
18 inches
should be mechanically fastened over all structural cement fiber panel roof deck prior to installation of insulation board.
a layer of sheet metal
fiberglass membrane
layer of fiberboard
base sheet
Shingling up the rakes followed by shingling across the roof is known as the method.
Hexagonal
Octagonal
Vertical
Diagonal
Shingles must extend at least inches on each side of a woven valley.
6
8
10
12
Shingles applied in a closed cut valley require the shingle end to extend at least how many inches beyond the valley centerline?
3
6
8
12
Roofing Construction & Estimating, the full face or woven valley method can be used on most roofs that have a pitch of or steeper.
2 in 12
3 in 12
4 in 12
5 in 12
Roofing Construction & Estimating, one roofer and one laborer can install one square of field tile at the rate of hours.
1 to 2
2 to 3
3 to 4
4 to 5
Roofing and Construction Estimating states the gage nail usually adequate for tile is
6
8
10
12
Roofing and Construction Estimating recommends when a chimney is over two feet, install a
Fabricated galvanized metal saddle
5 X 5 metal pan flashing strip
Wooden dormer extending at least 6 inches either side of the chimney
26 gage metal apron
roof with a rake factor of 1.302 has a slope in inches per foot.
6
8
10
11
roof with a 5:12 slope has a hip factor of
1.452
1.474
1.524
1.732
Roof tile is being installed in a valley using a two-ply underlayment system. Bobby Jo could use a
24 inch by 16 inch stainless steel skirt at the end of the valley
24 inch by 18 inch lead skirt at the end of the valley
24 inch by 16 inch lead skirt at the top of the valley
24 inch by 16 inch lead skirt at the end of the valley