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NCIDQ IDPX > Chapter 16 - Finishes > Flashcards

Chapter 16 - Finishes Flashcards

1
Q

Four basic types of wood flooring

A
  1. strip
  2. plank
  3. block
  4. end-grain block
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2
Q

strip flooring

A

most common. thin strips 3/8” to 25/32” thick of varying lengths with tongue-and-groove edges
most are 2 1/4” wide

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3
Q

plank flooring

A

same thicknesses as strip but 3 to 8 inches wide

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4
Q

block flooring

A

preassembled wood flooring in various configurations (one example is parquet)

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5
Q

end-grain block flooring

A

solid pieces of of wood laid on end. very durable and resistant to oils, mild chemicals, and indentation.

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6
Q

common exterior stone flooring

A

limestone| travertine is a type of limestone that is often used inside

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7
Q

stone flooring can be installed in two ways

A

thin-set and thick-set

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8
Q

thin-set

A

1/8” thin-set mortar on subfloor

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9
Q

thick-set

A

3/4 to 1 1/4” mortar set on structurally sound subfloor

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10
Q

when should thick-set be used?

A

when the subfloor is uneven or when the stone varies in thickness (like slate of sandstone/flagstone)

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11
Q

what’s good about thin-set?

A

less expensive, add much less weight to the floor, faster to install

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12
Q

composite material poured in place or precast that is used for floor, walls, and stairs

A

terrazzo

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13
Q

terrazzo install

A

poured, cured, ground, and polished
pour-sit-grind-polish

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14
Q

advantages of terrazzo

A

durability, water resistance, ease of cleaning, fire resistance, wide choice of patterns and colors

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15
Q

best install method for terrazzo to avoid cracking of the terrazzo?

A

sand cushion method
finish system is physically separated from the structural slab with a membrane
because the underbed is reinforced, the terrazzo system can move independently of the structure

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16
Q

resilient flooring is a generic term describing several types of composition materials

A

vinyl flooring, rubber flooring, cork flooring, linoleum

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17
Q

difference between vinyl and rubber floors

A

vinyl is resistant to oils and grease and rubber is not
rubber is better under heavy loads

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18
Q

which resilient flooring is the most renewable?

A

cork

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19
Q

where is cork used?

A

where acoustical control or a high degree of resilience is desired

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20
Q

what should concrete be tested for?

A

moisture and alkalinity

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21
Q

what kind of problem can alkalinity in concrete cause?

A

can damage a tile installation by causing the adhesive to re-emulsify or return to its liquid sate

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22
Q

A ___ test should be used to test the surface of concrete that will come in contact with flooring adhesives or other critical floor coatings

A

pH

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23
Q

A ____ test can determine the level of alkalinity in concrete titration

A

titration

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24
Q

three types of carpet

A

rugs, sheet carpet, carpet tiles

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25
Q

carpet can be made from ___________

A

wool, nylon, acrylic, modacrylic, polyester, and olefin

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26
Q

natural material that is overall one of the best materials for carpets

A

wool

27
Q

economical carpet that is very strong and wear resistant. high stain resistance and excellent crush resistance.

A

nylon
most widely used fiber for residential and commercial
cleans easily

28
Q

moderate abrasion resistance, but has a more wool-like appearance than nylon

A

acrylic

29
Q

made from synthetic polymers, highly abrasion resistant, cleans well, is mildew resistant, low in cost

A

polyester

30
Q

used primarily for indoor-outdoor carpet . least attractive

A

olefin

31
Q

carpet can be installed in one of two ways

A

glue-down or stretched-in installation (tackless strips attached around the perimeter of the room)

32
Q

two primary types of tile

A

ceramic and quarry

33
Q

porcelain tile is similar to ceramic tile except for:

A
  • the clay used is denser - porcelain tile is fired at higher temperatures and for longer periods, removing almost all water, resulting in a tile that is denser and harder than ceramic tile
34
Q

is porcelain tile or ceramic tile for desirable for commercial work?

A

porcelain tile

35
Q

difference between mosaic tile and wall tile

A

under 6 square inches = mosaic
If it’s over 6 then = wall

36
Q

tile, terrazzo, stone, and other smooth surfaces can be potentially dangerous flooring surfaces, especially when wet or covered with grease. to evaluate and specify the slip resistance of floor surfaces, the ________ is used

A

coefficient of friction (COF)

37
Q

the range of COF

A

0 to 1

38
Q

the higher the COF, the _____ the surface

A

less slippery

39
Q

OSHA recommends a minimum COF of

A

.5

40
Q

Paints are broadly classified into two groups

A

solvent-based and water-based

41
Q

_________ have binders dissolved in or containing organized solvents

A

solvent-based

42
Q

_______ has binders that are soluble or dispersed in water

A

water-based

43
Q

example of solvent-based paint

A

varnishes, shellac, silicone, and urethane. add pigment, and the coating becomes a stain

44
Q

example of water based paint

A

Latex paints

45
Q

is acrylic latex or vinyl chloride better?

A

acrylic latex

46
Q

why are gloss paints used?downside?

A

for their washability and shiny appearances
how defects in their surfaces

47
Q

In wallpaper terminology, what’s the difference between a straight match and a drop match

A

straight match–one length of the wallpaper is aligned with the next piece in a direct horizontal line
drop match- the next piece must be lowered to continue the pattern

48
Q

In wallpaper terminology, what is a patten repeat?

A

the distance from one point to the next instance of the same point in the pattern

49
Q

Type I wallcovering

A

light duty- residential and commercial where little to no abuse is expected

50
Q

Type II wallcovering

A

medium duty- residential, commercial, institutional| offices, dining rooms, classrooms, and some corridors

51
Q

Type III wall covering

A

heavy duty- public corridors, food-service areas, and hospitals

52
Q

two methods of cutting wallpaper

A

double-cutting and butting
double-cutting: overlapping adjacent strips and then cutting through and removing both
butting: must be used for patterned wall covering where matching is critical, or with dark-colored or deeply embossed material where removal of adhesive is difficult

53
Q

what is a tuck joint?

A

a small recess where wall covering, fabric or vinyl can turn into giving a neater edge and concealing any minor delimitation of the fabric edges from the partition should it occur

54
Q

calculations for carpet

A

carpet is measured by the square yard. for rectangular rooms no wider than 12 feet, calculate the square area and divide by 9. round up.

55
Q

To find out how much wallpaper is needed for a room:

A
  1. calculate the perimeter of the room
  2. multiply the perimeter by the ceiling height. If the wallpaper will be random matched, no adjustment for pattern repeat is required. (if a pattern repeat is required you need to know the usable wallpaper - see cards at end of deck. Divide the total surface area by the amount of usable wallpaper per roll.)
  3. Add a 20% waste factor
  4. calculate the area not covered. Allow 15ft squared for a door and 15ft squared for two windows
  5. subtract the area not covered from the area found in step 3 to get the total area of wallpaper needed.
  6. determined the number of single rooms required.
56
Q

in wallpaper calculations always count for _____% waste

A

20

57
Q

27 inch wide wallpaper contains _____

A

36 sq ft

58
Q

more commonly used double roll contains ____ sq ft

A

72

59
Q

to calculate the area of doors, windows, and other features that will not be covered, assume ___ sq ft for one door opening or two windows

A

15 square feet

60
Q

If the pattern repeat is 0–6 inches, then there is ___ square feet of usable wallpaper.

A

25 sq ft

61
Q

For a pattern repeat between 7–12 inches, then you can use ____ square feet of wallpaper.

A

22 sq ft

62
Q

If the repeat is 13–18 inches, then use ____ square feet of wallpaper.

A

20

63
Q

For a pattern that repeats every 19–23 inches, then there is ___ square feet of usable wallpaper.

A

15

NCIDQ IDPX (42 decks)

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