Roof Components

Question 1

Steep slope roof coverings may be defined as roof coverings installed on roof that _____ vertically in ______ horizontally or greater

Answer 1

Slope 2”
12”
2:12

Question 2

Low slope roof coverings that may be installed on roofs or between _____ and ______ slope.

Answer 2

¼:12

2:12

Question 3

What is the traditional underlayment for shingle roof covering?

Answer 3

15 Asphalt-Impregnated Felt

Question 4

Shingles. Close to cut and woven valleys should be flashed using a______ wide strip of smooth roll roofing, or any open valley flashing material.

Answer 4

36”

Question 5

Shingles. Open valleys should be flashed using at least a ______ wide strip of aluminum or galvanize steel or two layers of roll roofing.

Answer 5

24 inch

Question 6

Concrete and clay tiles.

Underlayment at least _____ is specified under tiles.

Double underlayment is usually specified for a re-slopes between ______ and ______.

Answer 6

#30 felt 
2 ½:12 and 4:12

Question 7

Clay and concrete tiles.

The minimum slope should be ______.

Answer 7

2 ½:12

Question 8

Clay and concrete tiles.

Common tile valley types are open and closed. Both valley types should be flashed using a_______ as a base layer.

Answer 8

36 inch wide strip of at least #30 felt

An additional layer of at least 22 inch wide strip of galvanized steel with a 1 inch tall diverter in the center should be installed above this base layer.

Question 9

Metal panels are defined as being_____ or more. This distinguishes metal panels from metal shingles.

Answer 9

3 ft.²

Question 10

Metal panels are installed in one of three ways.
Standing seam roof, Considered a low slope roof. Minimum slope of ______.

Sealed seam roof, minimum slope of _____.

Non-sealed seam roofs, considered steep roof covering with the minimum slope of _____.

Answer 10

¼:12
½:12
3:12 same as metal shingles

Question 11

Is underlayment specified under metal panels?

Answer 11

No

Question 12

The best preventative measure is to correct the cause of ice dams. This involves…

Answer 12

Reducing air leaks that allow heat to escape into the attic.

Question 13

Ice barrier underlayment is often required in areas where ice dams occur. These barriers consist of and impervious underlayment that extends from the eaves at least______ horizontally past the ____ of the house.

Answer 13

2 feet

Wall

Question 14

Low slope roof coverings maybe defined as roof covering’s installed on roofs that slow between ______ and ______

Answer 14

¼:12 and 2:12

Question 15

Low slope roof coverings are ______ roof coverings.

Answer 15

Waterproof

Question 16

Mineral surfaced roll roofing. Can be installed on minimum roof slope?

Is underlayment specified?

Answer 16

1:12

Yes. #15

Question 17

Common defect for low slope roof coverings or blisters, cracks, _____ in depressions.

Answer 17

ponding

Question 18

Ruth surrounded by vertical sidewalls may drain through rectangular openings in the wall called______.

Answer 18

scuppers

Question 19

One scupper or internal drain may not be the only roof drain. The secondary system that is at least the ______ as the primary system should be located ______ above the primary drainage system.

Answer 19

same size

2 inches

Question 20

Roof penetrations such as plumbing vents and fuel fired appliance that should be flashed with a ______ , ______, ________

Answer 20

Boot, roof jack, thimble

Question 21

Flashing between a roof and sidewall and headwall should be installed in a two component system. The two flashing components are the______ and ______.

Answer 21

base flashing any counter flashing.

Question 22

The base flashing should be installed on top of the underlayment. The base flashing vertical flange on the wall should be covered with counter flashing and the counter flashing covered with the water resistive barrier.

Flashing from the high side should overlap the lower flashing at least _____. Base flashing should be at least _____ on the vertical and horizontal legs.

Answer 22

2 inches

4 inches

Question 23

Home inspector should carefully evaluate visible areas around the side walls for evidence of water infiltration

Answer 23

True

Question 24

Flashing at brick veneer sidewalls should be installed using ______ base and counter flashing.

Answer 24

Stepped

Question 25

Kick out flashing should be installed at the end of a roof when the sidewall extends past the roof.

Kick out flashing should turn about a ______ and should be at least_____

Answer 25

120° angle

4x4”

Question 26

Head wall flashing. The leg of the base flashing that extends above the roof covering is called the_____ and should be at least _____ wide.

Answer 26

apron

4 inches