Roofing Flashcards
what is the minimum slope that cedar shingles or shakes may be installed
3:12
how many nails must be used to fasten a wood shingle or shake
2
the minimum slope for 5/2 - 16” red cedar shingles is
4:12
in roofing terms, a “pan” refers to what type of roofing
tile
what type of valley flashing is used with clay tile roofing
26 guage galvanized valley metal, 12” each side
what type of material is not used with the hot application of built up roofing
polyethylene
composition shingles should be applied overhanging the eave drip edge from ____ to ____
1/4” to 3/8”
the underlayement for shingles installed on a 2:12 sloped roof would consit of
2/15 lb felt
the minimum slope for composition shingles underlaid with half lapped 15 lb felt and with tabs sealed down is
2:12
of how many layers of rag felt or jute is a built up roof composed
3 to 5
how much of a wood shingle is exposed to the weatehr
less than 1/3 of the length of the shingle
what is the sheet metal roofing for flat roofs called
a metal deck
a square is the amount of roofing needed to cover
100 square feet
one roll of 15lb. Asphalt felt will cover
4 squares
on a roof deck, when applying asphalt felt as underlayment, each course should be lapped over the lower course at lest
2 inches
asphalt strip shingles should never be used on slopes lower than
4 inches rise per foot of run
when applying asphalt shingles, it is suggested that no rake tab be less than
3 inches in width
for slopes with a 6 inch rise per foot of run or less, metal valley flashings should extend on each side of teh valley centerline by at lest
10 inches
when flashing a valley by weaving shingles, nails should not be laced closer to the valley centerline than
6 inches
flashings approximately 6 inches wide are used when flashing a roof that butts against a vertical wall. They are bent so that
2 inches lays on the all and 4 inches lays on the roof
a built up section between the roof and the upper side of a chimney is called a:
saddle
roofs with slopes as low as ____ rise per foot of run may use concealed nail roll roofing
2 inches
wood shingles and shakes are primarily made from
western red cedar
what is the longest length of wood shingles and shakes that are available
24 inches
what is the maximum expose for No 1, 16 inch wood shingles laid on roofs at least as steep as 4 in 12?
4-1/2 inches
when not using a gutter, wood shingles usually overhang the fascia by:
1-1/2 inches
before applying shakes, it is important to lay interlayment straight
because the felt is used as a guide
this question was skipped
the minimum slope for a built up, coal-tar type roof is
1/8:12
which of the following statements is true concerning the classification of roof coverings
Class A coverings offer the highest degree of fire resistance
if the roof is perfectly flat, which of the following best gives the building code requirements for the roof
the roof is not acceptable under the specified circumstances
this quesstion was skipped
this question was skipped
when slate shingles are used as a roof covering, how many layers of slate must always overlap
3
when installing california mission tile, as shown in the figure below, what must be used to support the cap tile
A 2x3 inch furring strip
