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Flashcards in Roofing Deck (19):
0

What are ceiling baffles and what material are they made out of?

Directs airflow to attic and prevents airflow to enter house. Made up is cardboard or typly

1

What is an H clip used for?

Supporting OSB to trusses

2

How many bundles of common shingles constitute one square?

3= 1 square

3

What is it meant by self sealing shingle?

Shingles that have a material that melts the overlapping shingle together

4

What is the recommended exposure dimension of shingles?

5 3/8"

5

What is meant by architectural/dimension shingles?

Dicretive shingle

6

What are Cap Shingles?

Layer of shingles vet a ridge vent

7

What is the purpose of roof flashing?

Material used to cover open joints of exterior such as riff valley joints

8

What do you use to secure the shingles to the roof?

Four 1" galvanized nails placed 1/2" above the cut outs

9

How many square feet does a square of shingles cover?

100 square feet

10

What is the steepest roof pitch?

8/12

11

Apron flashing

Located at the top of a sloped roof and vertical wall. Ex: bay window, porch roof.

12

Valley flashing

Flashing installed in a roof valley. Ice and water shield used here

13

Step flashing

Flashing used at all roof/wall intersections. 5x7 black flashing that is overlapped in a stair stepped method.

14

Flashing tape

Used to cover open joints of exterior ex: windows and doors

15

Ice and water shield

Membrane used as a vapor barrier. Used fire Eve and valley flashing.

16

What is a ridge vent and what is is it's purpose?

Takes air out of roof system. It is passive ventilation system.

17

What is meant by lacing shingles?

Laced shingles at valley of roof

18

Why is felt paper important on a roof?

Vapor barrier