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TONY: NC Contractor Exam > Roofing > Flashcards

Roofing Flashcards

1
Q

1 – What is the most common way to ventilate a hip valley roof?

A

Openings in soffit under eaves

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2
Q

2 – You can safely heat Type II asphalt to what maximum temperature?

A

475 degrees

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3
Q

3 – Where would you find the most common leak on a wood shingle roof?

A

Where joints or splits line up in three adjacent courses

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4
Q

What would be the advantage of repairing asphalt shingles in warm weather?

A

1 – Roofing cement spreads easier
2 – Asphalt shingles are more pliable
3 – Less likely to damage shingles
4 – Both 2 and 3

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5
Q

5 – Which of the below would be the proper way of reinstalling a slate roof tile?

A

Insert the new slate under the two overlying courses and nail in place

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6
Q

6 – Who does the fire rating on asphalt shingles?

A

UL

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7
Q

Which is proper way of repairing asphalt shingle that is leaking?

A

Install galvanized sheet metal beneath the shingle in a bed of roofing cement

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8
Q

8 – When applying underlayment on a roof using drip edge, which of the below would be correct?

A

Underlayment over the drip edge at eaves and under the drip edge at rakes

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9
Q

9 – What is the minimum thickness of galvanized metal / steel roofing?

A

.013 inch

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10
Q

10 – What is the weather exposure of an 18 inch, No. 2 grade wood shingle on a 6:12 pitch roof?

A

4.5 inches

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11
Q

11 – Leaks around vent flashing usually occur because of (the question might have been worded what is true)

A

Improper shingling around flashing

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12
Q

12 – Ice barrier / dam protection can be:

A

Two layers of underlayment cemented together

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13
Q

13 – The weight of a coated vapor retarder for a BUR (built-up roof) is usually between ___and ___ pounds per square. (100 square feet).

A

45 and 80 pounds per square

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14
Q

14 – The side lap or offset for wood shingles or shakes should be ____.

A

1 ½ inches

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15
Q

15 – If the exposure for three-tab asphalt shingles is 5 inches, what is the head lap?

A

2 inches

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16
Q

16 – The purpose for underlayment for sloping roofs does not include which of the following.

A

1 – It protect roof sheathing before the roof covering is applied
2 – It acts as added weather protection for the building
3 – It serves as a vapor barrier
4 – It protects the shingles from any resin from the wood sheathing

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17
Q

17 – The roof slope factor (roof pitch multiplier) for a 5:12 roof is:

A

1.08

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18
Q

18 – A properly installed aggregate-surfaced BUR (built-up roof) system has a life expectancy of:

A

20 years

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19
Q

19 – Asphalt shingles require about _____pounds of nails per square.

A

2.5 pounds

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20
Q

20 – The underlayment for asphalt shingles should have an end lap of:

A

4 inches

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21
Q

21 – The purpose of surface aggregate for BUR (built-up roof) system is all of the following except:

A

1 – It protects the roof system
2 – It serves as ballast
3 – It reduces the roof surface temperature
4* – It causes the roof to sag

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22
Q

22 – How many nails are typically required for a three-tab asphalt shingle?

A

4

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23
Q

23 – Where are the nails on an asphalt shingle ridge cap placed?

A

1 inch from edge and 5 ½ inches from end

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24
Q

24 – How do you seal the seams of the underlayment on a BUR (built up roof)?

A

Hot mop it

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25
Q

25 – When using roll roofing, the starter strip should be nailed so that it overhangs the edge by ____inches.

A

1/4 inches

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26
Q

26 – One square of 235 # shingles will cover ____square feet and weigh ____ pounds.

A

100 square feet and 235 pounds

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27
Q

27 – When determining the number of layers of roofing felt needed for a built up roof (BUR), you always use 1 layer per ply.

A

True

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28
Q

28 – When nailing on shingles for a closed valley, nails can not be closer than ____to the centerline.

A

6 inches

29
Q

29 – On a roof area, what is the raised area around the up side of a chimney called?

A

1 – Cricket
2 – Saddle
3 – Valley
4 – Both 1 and 2

30
Q

30 – On an asphalt roof (shingle) eave drip edges shall extend .25 of an inch below the sheathing and extend back up the roof sheathing a minimum of 2 inches. They shall be fastened:

A

12 inches on center

31
Q

31 – What is the minimum slope that is allowed for an asphalt shingle?

A

2/12

32
Q

32 – Asphalt shingles from slopes 2/12 to slope 4/12 require __layers of underlayment felt (tarpaper).

A

2

33
Q

33 – Fasteners for asphalt shingles shall be a minimum 12 gauge for shank and 3/8 inch for the head and shall have a penetration of 3/4” into roof sheathing.

A

True

34
Q

34 – For open valleys (valley lining exposed) lined with metal, the valley lining shall be at least___ wide.

A

24 inches

35
Q

35 – For closed valleys (valley’s covered by shingles) the smooth roll roofing shall be at least ___wide.

A

36 inches

36
Q

36 – Drip edges shall extend _____below the roof sheathing and ____back up the roof.

A

¼ inch and 2 inches

37
Q

37 – Metal roof shingles shall not be installed below this roof slope.

A

3/12

38
Q

38 – Mineral surfaced roll roofing shall not be applied on a roof with a slope below:

A

1/12

39
Q

39 – Slate shingles shall only be used on roofs with a slope of___or greater

A

4/12

40
Q

40 – Built up roofs (BUR) shall a minimum design slope of____for drainage.

A

1/4 / 12

41
Q

41 – Coal tar built up roofs (BUR) shall have a minimum design slope of:

A

1/8 / 12

42
Q

42 – What is the correct procedure for repairing asphalt shingles? This question is like # 7 (leaking shingle) but worded different with a different answer.

A

Lift shingle and cement underneath

43
Q

43 – When installing a concrete tile roof, which number of galvanized sheet gage is required for the valley flashing?

A

26

44
Q

44 – The valley flashing for concrete roof tiles shall extend____inches from the centerline each way.

A

11 inches

45
Q

45 – How many gallons of asphalt are required for 1 square (100 square feet) of BUR
(Built up roof) when roof slope is 4:12?

A

3

46
Q

46 – Which of the below is not a proper method for fastening asphalt shingles?

A

Roofing nail with a 14 gage shank

47
Q

47 – Open valleys of asphalt shingles lined with 2 plies of mineral surfaces roll roofing shall be permitted in lieu of a metal lining. The bottom layer shall be___inches and the top layer shall be ___inches.

A

18 inches and 36 inches

48
Q

48 – Roll roofing is lapped ___ with a 17 inch exposure.

A

19 inches

49
Q

49 – What is the most common reason for leaks around plumbing vents in an asphalt shingle roof?

A

Improper shingling around the flashing

50
Q

50 – How far should nails penetrate through asphalt shingles?

A

Through shingles plus 3/4 inch

51
Q

51 – How do you attach drip edge at the eaves?

A

Under the underlayment

52
Q

52 – What is the minimum size sheathing board used for wood shingles?

A

1 x 4 equal to the weather exposure and coincide with the placement of fasteners

53
Q

53 – What is the exposure of taper sawn wood shakes that are 18 inches long of No.1 grade?

A

7.5 inches

54
Q

54 – Why is it best to repair asphalt shingles in the summer?

A

The new material is more pliable

55
Q

55 – In your opinion, how can a customer maintain their asphalt shingle roof?

A

Keep brush and debris off roof

56
Q

56 – What is considered a high slope roof?

A

4/12 and greater

57
Q

57– Where is the least likely place to develop a leak on a metal roof?

A

In the field of the roof

58
Q

58 – Asphalt emulsion is used for surfacing bitumen on a less than 4/12 roof, what is the approximate rate for surface emulsion in gallons per square (100 square foot)?

A

3.0 gallons

59
Q

59 – What is the total width of the valley flashing for concrete roof tiles?

A

22 inches

60
Q

60 – Where is the most likely place an asphalt shingle roof will leak?

A

– In the field of the roof

61
Q

61 – What is true about asphalt shingle repair?

A

In spot repair you can use cement and sprinkle on loose granules

62
Q

62 – You can install battens on roof slopes of 2 ½ in 12 and steeper, but they are required on slopes of ____or steeper.

A

7 in 12

63
Q

63 – When insulating roof rafters, what is the minimum air space needed for ventilation?

A

1 inch

64
Q

64 – What is the most important reason to install a vapor barrier?

A

Prevent condensation

65
Q

65 – Vapor barrier comes in a variety of different materials, which of the below is the most common type used?

A

Polyethylene

66
Q

66 – How many bundles or cartons per square are blue label cedar shingles shipped?

A

4

67
Q

67 – What is the minimum distance that double coverage underlayment needs to extend beyond the interior face of the exterior wall line to prevent ice dam buildup?

A

24 inches

68
Q

68 – What is counterflashing?

A

Vertical flashing bent over the top of base flashing

69
Q

69 – Which of the below will divert rain water and keep ice and snow from building up on the upper side of the chimney?

A

Cricket

TONY: NC Contractor Exam (13 decks)

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