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Building Construction > Ch 5 Interior Finishes > Flashcards

Ch 5 Interior Finishes Flashcards

1
Q

Interior finishes

A

Materials used for exposed face of the wall and ceiling.

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2
Q

Trim should not exceed what % of wall and ceiling area?

A

Trim should not exceed 10 % of wall and ceiling area

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3
Q

Flame spread

A

Movement of flame away from ignition source

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4
Q

Surface burning characteristics

A

Speed flame with spread over a surface

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5
Q

How can flame spread be predicted

A

By surface burning characteristics

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6
Q

What’s the most significant factor in fuels burn rate

A

Combination of fuel and available oxygen

Another factor is manner in which the interior finish is mounted

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7
Q

Building code may require materials with a greater surface burning rate to be installed over what type of material

A

Noncombustible

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8
Q

Paint and wallpaper should be no thicker than?

A

Paint and wallpaper should be no thicker than 1/28 inch

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9
Q

When is carpet tested?

A

When used as interior wall finish

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10
Q

Types of fire retardant coatings

A

Intumescent coatings
Mastics
Paints
Cement Fibers

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11
Q

Intumescent coatings

A

Thick puffy coating that expands and insulates

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12
Q

How are fire retardant coatings applied

A

Specific rate of square feet

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13
Q

Ceiling contribute to void spaces T or F?

A

True

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14
Q

Degree of fire resist required for walls or partitions depends on what?

A

Purpose of components

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15
Q

Fire rated floor and ceiling assemblies for Multi story buildings require

A

Structural fire resistance and prevent verticals spread or fire

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16
Q

Compartments with rated enclosures can be used for ?

A

Areas of refuge

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17
Q

Fire walls are used for what purpose

A

Limit fire spread

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18
Q

Freestanding walls are self supporting in regards to what type of loads

A

Vertical loads

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19
Q

What type of construction are freestanding walls usually found

A

Type III and Type V

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20
Q

Freestanding walls but be able to resist lateral loads of?

A

Freestanding walls but be able to resist lateral loads of at least 5 pounds per square foot

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21
Q

Parapet wall height above a combustible roof

A

Code varies between 18-36 inches

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22
Q

Parapet walls can terminate at the underside of a noncombustible roof provided

A

Parapet walls can terminate at the underside of a noncombustible roof provided that the roof has a Class B low combustibility covering

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23
Q

Fire walls without parapets that may not be identifiable from the outside generally have what type of rating

A

2 hr

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24
Q

For a fire wall to be 4 hour rated it must be constructed with what type of material

A

Masonry or concrete

25
Q

IBC permits combustible materials to be framed into a masonry or concrete fire wall from opposite sides provided?

A

4 inch separation between the ends of structural members

26
Q

In structures as close as 18 inches apart, what may take place if clearance space for exposure protection

A

Rated construction

27
Q

Fire walls maybe eliminated if they have

A

Automatic sprinkles

28
Q

What’s the purpose of an enclosure wall?

A

Block verified spread of fire

29
Q

Enclosure walls are required to have fire resistance rating of 1-2 hours depending on what?

A

Height of building

30
Q

Buildings 4 stories or lower require what. Amount of enclosure rating ?

A

1 hr rating

31
Q

Buildings 4 stories or higher require what. Amount of enclosure rating

A

2 hrs fire enclosure

32
Q

Most common material used in enclosure walls

A

Gypsum

33
Q

Curtain walls, not Curtain Boards are

A

Non-load bearing walls attached to exterior. Like a veneer

34
Q

What protects opening in fire rated walls?

A

Fire doors

35
Q

Fire doors are rated in increments of

A

20 min to 4 hours

36
Q

What rated doors are used primarily for smoke barriers and openings to corridors

A

1/2 hour to 1/3 hour

37
Q

Class A fire doors used for

A

Openings in fire walls

38
Q

Class B fire doors

A

Vertical shafts and openings in 2hr rated partitions

39
Q

Class C fire doors

A

Between rooms and corridors , 1st or less fire rating

40
Q

Class D fire walls

A

Exterior openings with severe fire exposure from outside

41
Q

Class E Fire Doors

A

Exterior openings with moderate or light fire exposure from outside

42
Q

To effectively block fire spread, fire door assemblies must have fire resistance similar to what?

A

Fire rated walls

43
Q

If a fire wall has a greater than 2 hr rating what type of fire door it required?

A

3-4 hrs

44
Q

Fire fighters should do what to a rolling overhead door prior to proceeding through it ?

A

Attempt to secure and block the channel

45
Q

Horizontal sliding doors are usually help in place by?

A

Fusible link

46
Q

Swinging doors that protect stairwell enclosures and corridors have ratings between

A

20 min and 3 hours

47
Q

Which way must swinging doors swing?

A

Direction of exit travel

48
Q

When fire doors are installed in a Frame, all parts of frame must withstand fire exposure T or F.

A

True

49
Q

Fire doors with what rating can be equipped with fire glazing windows

A

Doors with upto 3 hr rating can be equipped with glazing.

50
Q

Fire doors with ratings of 1-3 hours can having glazing upto how many square inches?

A

Fire doors with ratings of 1-3 hours can having glass panels upto 100 square inches in area per door

51
Q

Fire doors with ratings of 1/2-1/3 can have glass panels for which they are?

A

Tested

52
Q

Louvers

A

Horizontal slats angled to permit ventilation

53
Q

Fire door testing is done in accordance with NFPA 252 using what test

A

ASTM E- 152

54
Q

What’s the primary concern of testing of fire doors

A

They must remain in the frame during the flame test

55
Q

In test sing of fire doors, intermittent flame is permitted after how long?

A

After the first 30 min of testing

56
Q

If an opening in a fire walls is no longer needed, what material should be used in wall construction?

A

Equivalent of the rating of the wall

57
Q

What’s another criteria for fire door rating regarding hose streams

A

Fire door must remain in place when subjected to hose stream immediately following fire tests

58
Q

What rated doors may not be subject to hose tests, depending on intended application?

A

1/3 hour rating depending on intended application

59
Q

Markings on fire rated doors include

A

Door type
Rating in hours
Testing lab info

Building Construction (3 decks)

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