Deck 34: Roofing-I Steep Roofs

Question 1

Because a clay or concrete tile roof is more durable, the requirement for roof underlayment in a concrete or clay tile roof is less stringent than that in an asphalt shingle roof.

Answer 1

False

Question 2

The roof underlayment commonly used in steep roofs is

A)No. 1 asphalt- treated fiberglass felt.
B)No. 30 asphalt- treated organic felt.
C)No. 15 asphalt- treated organic felt.
D)A and B.
E)B and C.

Answer 2

E

Question 3

In a steep roof, the ice dam protection membrane is generally provided at the

A)valley.
B)rake.
C)hip.
D)ridge.
E)eave.

Answer 3

E

Question 4

In an asphalt shingle roof, which of the following flashings is interwoven with shingles?

A)Step flashing
B)Apron flashing
C)Cricket flashing
D)All of the above
E)Only A and C

Question 5

At the eave of an asphalt shingle roof,

A)a drip edge is not required.
B)a drip edge is installed before installing roof underlayment.
C)a drip edge is installed after installing roof underlayment.

Question 6

An asphalt shingle roof is generally not permitted if the roof slope exceeds

A)18:12.
B)24:12.
C)21:12.
D)15:12.
E)12:12.

Question 7

In an asphalt shingle roof, either valley underlayment or valley flashing is used.

Question 8

A double- layer roof underlayment is required in an asphalt shingle roof if the roof slope is

A)between 3:12 and 4:12.
B)between 3:12 and 9:12.
C)between 3:12 and 6:12.
D)between 3:12 and 5:12.
E)none of the above.

Question 9

The junctions between the walls of a chimney and a steep roof need to be flashed. Which of the following flashings is required as chimney flashing?

A)Step flashing
B)Apron flashing
C)Cricket flashing
D)All of the above
E)Only A and C

Question 10

Clay and concrete tiles are generally laid in

A)double coverage with a 2- in. headlap between the top and bottom shingles.
B)double coverage with a 2- in. overlap between the top and bottom shingles.
C)triple coverage with no headlap.
D)single coverage with a 5- in overlap between the top and bottom shingles.
E)none of the above.

Question 11

On the rake of an asphalt shingle roof,

A)a drip edge is installed after installing roof underlayment.
B)a drip edge is not required.
C)a drip edge is installed before installing roof underlayment.

Question 12

Which of the following steep- roof materials has the longest history of use?

A)Slate roofs
B)Wood shingle
C)Clay tile
D)Concrete tile
E)Asphalt shingle

Question 13

In a steep roof, which of the following flashings is made from sheet metal?

A)Step flashing
B)Apron flashing
C)Cricket flashing
D)All of the above
E)Only A and C

Question 14

Which of the following steep- roof materials is most commonly used in contemporary buildings?

A)Slate
B)Asphalt shingle
C)Clay tile
D)Wood shingle
E)Concrete tile

Question 15

In an asphalt shingle roof, sheet- metal valley flashing is used in a(n)

A)closed- cut valley.
B)open valley.
C)woven valley.
D)all of the above.
E)A and B only.

Question 16

Which of the following flashings in a steep roof has the shape of a small, steep roof?

A)Step flashing
B)Apron flashing
C)Cricket flashing
D)All of the above
E)Only A and C

Question 17

A roof tile profile that resembles a barrel is generally referred to as a

A)barrel tile.
B)semicircular tile.
C)mission tile.
D)all of the above.

Question 18

In an asphalt shingle roof, the ridge and hip are capped with shingles. The ridge cap and hip cap shingles can be used interchangeably.

Question 19

In an asphalt shingle roof, roof underlayment is installed first, followed by valley underlayment.

Question 20

Asphalt shingles are generally laid in

A)triple coverage with no headlap.
B)single coverage with a 5- in. overlap between the top and the bottom shingles.
C)double coverage with a 2- in. headlap between the top and the bottom shingles.
D)double coverage with a 2- in. overlap between the top and the bottom shingles.
E)none of the above.

Question 21

The batten system in a clay or concrete tile roof is installed

A)between the roof deck and the roof underlayment.
B)between the roof underlayment and the clay (or concrete)tiles.
C)between the deck and the clay (or concrete)tiles.
D)none of the above.

Question 22

Mission tile roofs require a treated- wood nailer under each row of tiles. The nailer is generally

A)2 × 2 lumber.
B)2 × 3 lumber.
C)2 × 4 lumber.
D)A or B.
E)B or C.

Question 23

Asphalt shingles are provided with a self- sealing adhesive line along the entire length of a shingle and about half- way through its width. What is the purpose of the adhesive line?

Question 24

Give the components of a steep roof from top down.

Question 25

What are asphalt shingles made of?

Question 26

Name the shingle varieties commonly used on steep roofs. Which of these is most commonly used?

Question 27

Drip edge flashings are installed at eave and rake of a steep roof. Which material are they made of?

Question 28

Everything else being the same, which of the following clay or concrete tile roofs gives the best performance?

A)Tiles laid over a two- way batten system
B)Tiles laid over a one- way batten system
C)Tiles without any batten system

Question 29

In a standing- seam metal roof, the roof panels are

A)shop formed and site finished.
B)site formed from a prefinished sheet- metal roll.
C)shop formed and shop finished.
D)any one of the above.

Question 30

Provide the reasons for the popularity of asphalt shingles as compared with other types of shingles such as clay tile or concrete tile shingles.

Question 31

An architectural metal roof serves both as roof deck and roof cover.

Question 32

An architectural metal roof can be used as a low- slope or steep roof.

Question 33

Drip edge flashings are installed at eave and rake of a steep roof. Are these flashings installed above roof underlayment or below it?

Question 34

Steep roof slope for an asphalt shingle roof is divided under two classes: standard slope and nonstandard slope. What is the difference between the two and the reason for the two- slope classification?

Question 35

The primary purpose of a batten system in a clay (or concrete)tile roof is to

A)provide a nail base for tiles.
B)provide a drainage layer under the tiles.
C)provide a cushion to the tiles.
D)none of the above.

Question 36

An ice dam protection membrane is required in the eave region of a steep roof with an overhanging eave. Which membrane is commonly used for it and how wide must it be?

Question 37

What is the minimum and maximum slope for a steep roof with asphalt shingles?

Question 38

What is valley underlayment in a steep roof and which material does it consist of? Is it installed over or under roof underlayment?

Question 39

What does the deck generally consist of in steep roofs?

Question 40

What is an ice dam protection membrane in a steep roof and where is it needed?

Question 41

Three- tab asphalt shingles are most commonly used for an asphalt shingle steep roof. What is the width and length of a shingle?

Question 42

The installation of asphalt shingles begins with the starter course at the eave. What does the starter course consist of and how much roof area does it cover?

Question 43

Using a sketch, explain the components of an architectural metal roof.

Question 44

Using a sketch, explain the essential components of a steep roof.

Question 45

Sketch a typical three- tab asphalt shingle, showing the adhesive lines and their purpose.

Question 46

In addition to the valley underlayment, a valley in an asphalt shingle roof is covered with flashing in three ways. Name the types and the materials used for flashing.

Question 47

Asphalt shingles are provided with a self- sealing adhesive line along the entire length of a shingle and about half- way through its width, which bonds the overlying shingle with the shingles immediately below. In addition to the adhesive line, what other form anchorage is providing in an asphalt shingle roof?

Question 48

Explain what an ice dam protection membrane is and describe the material it is made of. With the help of a sketch, explain its use on an asphalt shingle roof.

Question 49

What is the minimum slope and maximum slope for steep roofs with concrete or clay tiles?

Question 50

Explain the pros and cons of using an open valley, a closed- cut valley, and a woven valley in an asphalt shingle roof.

Question 51

Using a sketch, explain the layout of clay or concrete tiles using a treated- wood cross- batten system.

Question 52

What is a steep roof underlayment? With the help of a sketch, explain the underlayment requirements for an asphalt shingle roof.

Question 53

Explain what step flashing is, the material it is made of, and where it is commonly used.

Question 54

After laying the starter course of shingles at the eave, regular shingles are laid. Where do the courses of regular shingles begin?

Question 55

Three- tab asphalt shingles are most commonly used for an asphalt shingle steep roof. What do the tabs represent and what is their purpose?