Ch 5 - Interior Finishes

Question 1

Surface-burning characteristic

Answer 1

Speed at which flame will spread over the surface of a material

Question 2

Intumescent coating

Answer 2

Fire retardant coating that expands when exposed to the heat of a fire, creating an insulating barrier that protects the material underneath

Question 3

Mastics

Answer 3

Heat resistant construction adhesive that can be used as fire retardant coating

Question 4

Flame spread rating

Answer 4

Measurement of propagation of flame on the surface of materials as determined by a standardized test
0 = lowest
>200 not allowed in occupancies

Question 5

NFPA 286

Answer 5

Standards on Methods of Fire Tests for Evaluating Contribution of Wall and Ceiling Interior Finish to Room Fire Growth

Question 6

Rated assemblies

Answer 6

Various building components that are fire rated and used in combination to provide areas of refuge

Question 7

Fire flow

Answer 7

The amount of water required to extinguish a fire in a timely manner

Question 8

Fire walls

Answer 8

2-4 hours fire rating depending on occupancy
Fire wall may not be needed if sprinkler system in place

Question 9

Enclosure/shaft/stairwell walls

Answer 9

1 or 2 hours of fire rating depending on height of building
> 4 stories = 2 hours

Question 10

Curtain walls

Answer 10

Non load bearing walls suspended by internal framing

Question 11

Fire door ratings

Answer 11

20 minutes to 4 hours
3-4 hours for two hour fire wall
1-2 hours for two hour vertical enclosure

Question 12

Fusible links used to activate some types of fire doors

Answer 12

Rolling overhead or sliding

Question 13

Marking fire rated doors

Answer 13

On top or hinge side of door
Door type, hourly rating, symbol of testing laboratory