I4 - Exterior Finishes - LT #2

Question 1

What is the main difference between shingles & shakes?

Answer 1

Thickness at the butt - 1/4” - 1/2” is a shingle & 5/8” or more for a shake

Question 2

What is meant by the term self-furring?

Answer 2

Stands out from the wall surface by its own design This helps stucco to bond.

Question 3

What species of wood is preferred for wood siding?

Answer 3

Old growth edge-grain western red cedar

Question 4

List the benefits of vinyl siding.

Answer 4

1) Lightweight
2) Inexspensive
3) Easy to install and repair, provides capillary break & drainage.
4) allows for future hidden phone, internet and antenna wires to be hidden.

Question 5

What are the two types of stucco?

Answer 5

Cement, synthetic

Question 6

What is the purpose of the expanded metal lath used with stucco work?

Answer 6

To give extra reinforcement at corners and for overhead situations for bonding stucco to the building

Question 7

What type of metal is used for sheet metal siding?

Answer 7

Sheet & sometimes other metal

Question 8

What grade of shingles sidewall application?

Answer 8

No1, No1-2 can be used for under course (Starter)

Question 9

What governs the strength of EIFS cladding?

Answer 9

Thickness

Question 10

What are the minimum thicknesses for the three cement stucco coats?

Answer 10

6mm each, for the first two coats and 3 mm for the finish coat

Question 11

What is the fiber cement board?

Answer 11

A siding made from sand, cement & cellulose

Question 12

What is done to the bottom course of bricks to allow for drainage?

Answer 12

Weep holes are created by leaving out the mortar between some of the bricks

Question 13

What is a cultured stone?

Answer 13

An imitation stone only 1/4 thickness of the real stone

Question 14

Where is frieze molding found?

Answer 14

Intersections of the soffit & wall

Question 15

What does an S4S stand for?

Answer 15

Surfaced on 4 sides

Question 16

An S1S2E is made of?

Answer 16

An S4S resawn into two boards

Question 17

What is the difference between a drip cap and a water table?

Answer 17

Drip cap is small & used over doors and windows

Question 18

What is always required at horizontal changes in the exterior finish if the materials do not overlap by at least 1”?

Answer 18

Flashing

Question 19

What is the purpose of a metal drip edge?

Answer 19

Keep water from running down the surface below or running back (used for flashing & for the lower edger of roofs)

Question 20

Where is a brick mould used?

Answer 20

Around doors for casing & sometimes around doors

Question 21

What type of nail is shown in figure 1?

Answer 21

Galvanized casing nails

Question 22

Define Split shakes:

Answer 22

Last longer than shingle because split surface resists weather more effectively

Question 23

Define Resawn shakes:

Answer 23

a thick shake that is tapesawn into 2 shakes.

Each shake will have a split and a smooth-sawn surface.

Question 24

Define taper sawn shake:

Answer 24

A taper sawn shake resembles a large shingle with both faces sawn instead of being split. Thickness at the butt will be at least 15 mm.

Question 25

Lapped bevel siding must overlap by at least

Answer 25

1"

Question 26

A sheet of vinyl siding will change the length by at least:

Answer 26

5/8 from summer to winter

Question 27

Cement stucco provides a hard, dense, water-resistant finish and must be: ____ thick

Answer 27

5/8th thick over the exterior walls

Question 28

Stucco is applied in ___ layers

Answer 28

3 layers over metal lath or stucco wire

Question 29

Cement stucco is made from:

Answer 29

sand, cement, lime & water

Question 30

Cement stucco is applied in three coats:

Answer 30

1) Scratch coat - 2) Brown coat 3) white sand and colouring

Question 31

Brick veneer is a primary plane of protection, true or false?

Answer 31

True

Question 32

How do you install cultured stone?

Answer 32

1/4 thickness real stone Wall sheathing is protected with two layers of waterproof barrier, then a metal lath is applied

Question 33

What is a water table used for?

Answer 33

At the base of a wall to make a horizontal join to the foundation or accent board

Question 34

What is a drip cap?

Answer 34

The same shape as water table molding, only smaller. A drip cap is used over doors & windows to form a sloping edge to deflect rainwater away from the building.

Question 35

Flashing is required where?

Answer 35

Over exposed openings in exterior walls and at horizontal joints in the finish

Question 36

Are dryer vents and hose bibs required to be flashed?

Answer 36

no

Question 37

What is a J trim?

Answer 37

Used to finish the sides and tops of openings

Question 38

What is an F trim?

Answer 38

Used for support & soffit

Question 39

Sheet metal siding is installed with what?

Answer 39

Installed with lag screws w/ neoprene washer

Question 40

Galvanized, aluminum and stainless steel are used for:

Answer 40

exterior work

Question 41

Aluminum nails are used to attach

Answer 41

Aluminum soffit, fascia & trim pieces

Question 42

Where is the box nails used?

Answer 42

Attach wood finish trim and siding

Question 43

Roofing nails are used to:

Answer 43

Fasten vinyl siding to sheathing install panel-type insulating sheathing apply sheathing paper install stucco wire and expanded metal lath

Question 44

What is acrylic caulking good for?

Answer 44

Allowed for low-traffic areas of infrequent wetting.

Question 45

Elastomeric caulking is used for?

Answer 45

One component caulking for sealing window flanges to the building envelope

Question 46

Butyl-polyisobutylene polymer caulking is used for:

Answer 46

Exterior joints, good elasticity for joints that move up and down plus or minus 5%

Question 47

Multicomponent polyurethane joint sealing caulking used for:

Answer 47

applications such as precast, tilt-up, concrete, masonry, exterior insulating and finishing systems. Very elastic.

Question 48

Backer rod is used for:

Answer 48

backing for caulking

Question 49

the backer rod should be how much thicker than the joint?

Answer 49

20 %

Question 50

What is one way to handle the shrinkage of vinyl siding?

Answer 50

A lumber belly band at floor joist level

Question 51

What is used to set the first course of siding?

Answer 51

A builders-level set around the perimeter of the building

Question 52

When the foundation is sloped, the line is marked at the top of:

Answer 52

the highest portion of foundation

Question 53

The height of the starting line is often at the top of:

Answer 53

the first course of horizontal siding, this height should allow the siding to overlap the foundation.