Modern Flooring And Roofing Systems pp23-30

Question 1

Defined as a roof having a pitch of less than 3:12

Answer 1

-Low-slope

Question 2

Denotes a roof that is nearly flat and from which water drains slowly

Answer 2

-Low-slope

Question 3

Typical slopes in low-slope roof fall in range of (__) inches rise per (__) inches run, to (__) inches rise per (__) inches run

Answer 3

• 1/4 - 12
• 2 - 12

Question 4

Often used on commercial projects where the minimum slopes required by (___ ___)materials make their use impractical for larger buildings

Answer 4

-Low-slope roofing

-steep roofing

Question 5

Can efficiently cover a building

Answer 5

-low-slope roof

Question 6

Tightly sealed at joints and roof edges, allowing them to resist standing water conditions temporarily

Answer 6

-low-slope membrane system

Question 7

Their main disadvantage is that water drains gradually, increasing the possibility of water damage

Answer 7

-Low-slope membrane system

Question 8

Generally defined as a roof with a slope of 3:12 or greater

Answer 8

-Steep roof

Question 9

Have sufficient slope to permit water to drain quickly from its surface

Answer 9

-Steep-slope roof assemblies

Question 10

(__) & (__) are used to capture and guide the water flow to the ground.

Answer 10

-Gutters & downspouts

Question 11

Give (3) examples of Steep-slope roof assemblies

Answer 11

-Shingle roofing

-Asphalt shingles

-Clay & Concrete roof tiles

Question 12

Small units applied to the roof in overlapping layers

Answer 12

-Shingle roofing

Question 13

Minimize the effects of movement through the ability of roofing units to move with respect to one another

Answer 13

-Shingle roofing

Question 14

The most commonly used roofing material for residential and light commercial roof construction

Answer 14

-Asphalt shingles

Question 15

Have either an organic or fiberglass base

Answer 15

-Asphalt shingles

Question 16

Consists of wood fiber base that is saturated with asphalt and coated with colored mineral granules

Answer 16

-Organic asphalt shingles

Question 17

Incorporate a fiberglass mat with top and bottom layers asphalt, also coated with mineral granules.

Answer 17

-Fiberglass asphalt shingles

Question 18

Seals the shingles to one another and prevents wind uplift

Answer 18

-Self-healing adhesive

Question 19

Made from concrete or clay units that overlap and interlock to create a durable, fire resistant, and heavy roof.

Answer 19

-Tile roofing

Question 20

Ranges from an orange-yellow to a dark red, depending on the clay

Answer 20

-Unglazed tile

Question 21

Consists of cold-formed, corrugated, fluted, or ribbed metal sheets that serve as the exterior covering of the structure

Answer 21

-Metal roofing

Question 22

Accelerate the rate of eater runoff due to their smooth surface characteristics. They also reduce the likelihood of debris build-up, and the formation of mold and mildew

Answer 22

-Steep-slope metal roofs

Question 23

While expensive it provides lightweight, attractive, and long-lasting weather protection

Answer 23

-Metal roof system