I4 - Exterior Finishes - LT #5 Flashcards

1
Q

What is the single-course application of sidewall shingles?

A

Shingles & shakes are blind-nailed, nailed with 2 nails placed at 3/4” in the from the side, and 1” above the butt of the next course.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the double-course application of sidewall shingles?

A

Shingles & shakes are face nailed. Two courses are installed at the same time. Nails in the top course attach both layers of shingles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What kind of nail is used for double-course sidewall shingles?

A

Hot dipped galvanized casing nails, usually 1” 1/3 long, extending 1” into the supports

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why is caulking not suitable for use with cedar shingles?

A

Since wooden shingles expand & shrink due to changes in moisture, caulking may fail and leaks will be likely.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How is the drip edge formed when applying double-course shingles?

A

The outer course of double course installation is dropped 3/8th below the under-course to create a drip edge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How long are the nails used to apply cedar shingles?

A

Nails are usually 1 3/4” long, extending 1” into the supports.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How is a horizontal bevel siding joined at inside corners?

A

At inside corners, the siding is butted into a square wooden post.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What type of joint is used to make horizontal joints between boards of bevel siding?

A

Scarf joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How is vertical siding finished at the outside & inside corners?

A

Vertical siding is overlapped at outside corners.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How is lumber siding nailed in place?

A

Lumber siding is nailed in place with either dome head nails or casing nails.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How is a story pole used to set horizontal siding to the correct height?

A

The top end of the story pole is held against the soffit and the marks indicate the position of each course of siding.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How is the thickness of the starter strip for horizontal bevel siding determined?

A

Overlap two siding boards, the same amount as they will be installed & measure the space behind the board at the top.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How to compartmentalize the rainscreen when using a vertical siding?

A

The spacer end must have tightly fitting blocks between each row of strapping to effectively block air passage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Describe how the under sill trim is used

A

Fur out the under sill trim to preserve the proper angle. Use it in an inverted position, above windows & doors where trims butt against frames.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How is the top of a window flashed if it’s exposed to the weather?

A

Flashing must be kept clear of the top of the window by 3/8th to allow for deflection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe vinyl siding.

A

Vinyl siding should hang from the nails, do not drive the nails tightly home.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What type of blade is used when cutting vinyl siding?

A

Use a plywood, install it backwards on the saw.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

List two places where J-Channel trim is used.

A

At the sides of all doors & windows.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What type of nails are used with aluminum siding?

A

Aluminum nails

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

How is metal sheet siding applied to the walls of buildings?

A

Fastened to studs or strapping with sheet metal screws & neoprene washers.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How can buckling aluminum siding at the floor system be prevented?

A

Engineered floor systems.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How is aluminum siding finished at the outside corners?

A

Corner straps.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What other type of siding is aluminum siding similar to?

A

Vinyl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the minimum head lap for fiber cement siding?

A

1” 1/4”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

How is a fiber cement siding cut?

A

A nibbler or a guillotine power shear.

26
Q

What is the specific safety hazard associated with fiber cement products?

A

Fiber cement dust contains crystalline silica.

27
Q

How are outside and inside corners built?

A

Battens or corner boards

28
Q

What are the finishing requirements for fiber cement siding?

A

Unfinished should be painted within 90 days.

Primed should be painted within 180 days.

29
Q

Where can leaks occur in the exterior insulation finish system?

A

Leaks can occur at transitions if there are only horizontal or sloping surfaces.

30
Q

What types of cement are used in the base coat of cement stucco?

A

Portland cement and/or masonry cement.

31
Q

What materials are used in the finish coat for cement stucco?

A

Finish coat is made using white cement, lime, white sand & upto 6% pigment by weight.

32
Q

What is the diameter of stones used in a “stone dash” finish?

A

Less than 3/8

33
Q

What is the minimum thickness of the base coat for cement stucco?

A

Base coast must be at least 6mm, 1/4” thick, measured from the face of the lath or substrate.

34
Q

Describe EIFS:

A

Uses Acrylic stucco finish on top of expanded polystyrene rigid insulation.

35
Q

What type of flashing must not be used with cement stucco?

A

600 mm

36
Q

What is the purpose of a weep hole?

A

Weep holes allow any water that escapes behind the veneer to escape.

37
Q

What is the difference between a corbel and a ledger?

A

A corbel is built on the top of a wall, a ledger is a recess into the full width of a wall.

38
Q

What is done to the support for the foundation wall if the wall supports masonry construction?

A

A corbel or ledger is created.

39
Q

How is the base flashing installed with a moisture barrier?

A

Flashing under the bottom course of the masonry veneer must extend behind the moisture barrier (sheathing) to at least 6”, this base flashing must continue out under the masonry & form a drip edge that projects beyond the support below.

40
Q

What type of flashing material must not come in contact with mortar?

A

Non-coated aluminum flashing.

41
Q

What is combed-face wood?

A

Wood planed with a serrated blade to give a finish that looks at though a comb has been dragged along it.

42
Q

What is smart-side trim?

A

Textured & primed stand board trim

43
Q

Why is textured wood used to trim?

A

Hold paint better, hide nails and for better apperance.

44
Q

What is the advantage of a scarf joint compared to a butt joint?

A

Scarf joint seals better

45
Q

How far from the edge should fiber cement trim be nailed?

A

8” to 12”

46
Q

How can fiber cement trim be blind nailed?

A

For expansion & contraction movement

47
Q

How is under sill trim used when installing finish fascia covers?

A

Install under sill trim along the top of the wooden rough fascia. Cut vinyl or aluminum fascia material to the width. Punch ears along the top edge of the fascia panel into the under the sill.

48
Q

What is used to join the soffit at the corner of the building?

A

Use two J or F channels properly supported back-2 back. There are two methods of making the joint either as a butt joint or as a mitre joint.

49
Q

How much is a J-channel notched to allow for expansion?

A

40 mm (overlapped by 20mm)

50
Q

What is the maximum spacing of nails for attaching trim used with soffits and fascia?

A

300 mm OC

51
Q

If the inside measurement from one J channel to the other is 530 mm, how long should the soffit panel be cut?

A

5 to 8 mm

52
Q

What must be done to soffit panels longer than 600 mm?

A

Panels longer than 600mm must be nailed to intermediate support

53
Q

If a roof is framed with trusses and the ceiling area is 1500 square feet, what is the minimum required soffit vent area?

A

5 square feet

54
Q

How far apart are the hangers placed when attaching metal or vinyl gutter systems?

A

24”

55
Q

How is a hidden gutter constructed?

A

Framing trough is done by attaching a wide fascia board to the rafter tails at right angles to the slop of the roof, the top of the fascia is extended above the roof, creating a natural trough. Inside of trough finished with a roofing membrane.

56
Q

What are three ways of disposing of rainwater?

A

1) Connect to a storm sewer
2) Ditch
3) Dry well
4) Splash blocks

57
Q

When installing downspouts, how is an offset used?

A

Two are used to offset the leader from the gutter to the building wall.

58
Q

What lengths of sectional aluminum gutter are available?

A

10 & 16ft lengths.

59
Q

How are the outside & inside corners made when using a continuous gutter?

A

With a mitred joint sealed w/ caulking

60
Q

What is a roof drain?

A

Roof drain located in a roof flat.

61
Q

What is a scupper?

A

Rainwater collection box located at the edge of a flat or low sloped roof?