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Design Science - Kim Burke > Lecture 6: Materials I > Flashcards

Lecture 6: Materials I Flashcards

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1
Q

floor score

A

certification by the resilient floor covering institute

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2
Q

examples of sustainable flooring (less than 7 years)

A

kirei board
bamboo
cork
palm bark

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3
Q

cork

A

renewable tree bark, natural material, similar to wood, sound absorbing, can be used for both flooring and walls

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4
Q

issues with cork

A

difficult to clean

only good in areas with no high traffic

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5
Q

vinyl

A

one of the most popular flooring types, cheap, flexible, easy maintenance, durable; comes in tiles and sheets
ex. schools

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6
Q

things to think about when choosing a material for flooring

A
  • health, safety, and welfare
  • way-finding opportunities
  • comfort
  • COF
  • cost
  • aesthetic
  • sound control
  • sustainability
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7
Q

linoleum

A

naturally hygienic, renewable/recyclable

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8
Q

issues with linoleum

A

expensive, doesn’t wear as well

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9
Q

leather

A

natural, from tanning of hides; planks, tiles, and strips

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10
Q

issues with leather

A

luxury product only, difficult to clean

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11
Q

rubber

A

can be either natural or synthetic, stain and chemical resistant, when you drop something it doesn’t break, can be welded for seamless installation

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12
Q

issues with rubber

A

natural rubber doesn’t age as well as synthetic

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13
Q

composites

A

use of any kind of products, held together with a binders; stuff dumped into aggregate

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14
Q

aggregates

A

various sizes, marble chips imbedded into the binder of flooring

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15
Q

terazzo

A

installed over cement base, big patterns and colors, poured, expansion joints, wears well

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16
Q

issues with terazzo

A

pre-cast tiles, high labor intensive to install

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17
Q

types of terazzo

A

standard (small)
venetian (larger stone chips)
rustic (no polished surface)
palladiana (mosaic finish)

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18
Q

portland cement

A

basic ingredient of concrete

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19
Q

concrete vs. cement

A

concrete: water, aggregate, and portland cement
cement: concrete, mortar, stucco, and most non-specialty grout

** concrete can be structural or decorative

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20
Q

fly ash

A

byproduct of burning coal, improves workability and finishing

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21
Q

issues with fly ash

A

potentially toxic

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22
Q

air entraining compounds

A

improve durability in cold weather

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23
Q

accelerants

A

decrease settling time and speed up curing time

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24
Q

retardants

A

decrease settling time, speed up curing time, and slows down hydration

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25
Q

glass fiber reinforced concrete

A

reduces small surface cracks, common in portland cement

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26
Q

carpet

A

one of the most popular flooring types, soft underfoot, cushion falls, thermo-insulating, absorb 10x more noise than any other material

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27
Q

tufted

A

sewing process of carpet with giant needles

28
Q

pre-dyeing vs. post-dyeing

A

pre: materials are dyed before the assembly
post: carpet dyed after the assembly

29
Q

solution dyed

A

actually a part of creating fibers, bleach doesn’t change the color

30
Q

yarn dyed

A

yarn dyed before carpet is manufactured

31
Q

printing

A

apply colored dyes to tufts

32
Q

continuous dyeing

A

application of dye as the carpet moves under the dye applicator

33
Q

pile height

A

distance from top of yarn to the backing of carpet

longer = more plush

34
Q

face weight

A

number of square ounces of the actual yarn of carpet, not the backing

35
Q

pile height: commercial carpeting

A

very low height, must be more dense than residential

36
Q

guage

A

space between needles

37
Q

pitch

A

distance between rows of tufts

38
Q

carpet fibers

A 
nylon 56%
olefin 36%
polyester 7%
acrylic
wool .5%
39
Q

nylon

A

about 2/3 of most carpet fibers wear resistant, resilient

40
Q

olefin

A

strong, resists wear, easily cleaned, poor resilience

41
Q

polyester

A

luxurious, soft, excellent color clarity and retention, easily cleaned, resistant to water, soluble stains

42
Q

issues with polyester

A

should be promoted more, but is expensive

43
Q

acrylic

A

cheap solution to wool

44
Q

wool

A

luxury product

45
Q

issues with wool

A

very expensive, 6x the cost of nylon carpet, mold, dry-clean only

46
Q

carpet pad

A

feels better on the foot, also wears better

**bigger the pad, the more difficult it is to seal against the wall

47
Q

direct glue down carpet is commonly used in ________________

A

commercial installations

48
Q

tackless installation uses ________

A

tack strips

49
Q

free lay installation

A

gravity keeps in place, sticky tabs, green way to install carpet

50
Q

issues with free lay installation

A

sometimes the tiles move

51
Q

wood: standards

A 
clear (perfect)
select
#1 common
#2 common
52
Q

Wood _____________________ with the weather.

A

shrinks or swells

53
Q

Grains are also affected by _________________.

A

the way its cut

54
Q

types of wood

A 
alder
ash
birch
cherry
hickory
teak
maple
red oak
pine
white oak
55
Q

parquet blocks

A

shorter strips, less expensive

56
Q

wood installation types

A

nail or staple
glue
floating (minimizing glue)

57
Q

wood finishing types

A

stain
paint
bleach

58
Q

Solid wood can be refinished about ___ times before the joints become too weak.

A

5

59
Q

solid wood

A

sensitive to moisture, glued, can’t use where there is water

60
Q

engineered wood

A

more dimensionally stable, can put directly over concrete, can’t refinish, wears like real wood

61
Q

Glass floors are transparent due to _____________(clear, cloudy, etc.)

A

molecules

62
Q

crystals

A

thermally conductive, water doesn’t damage performance characteristics of glass

63
Q

metal floors

A

expand and contract, cool to the touch, picks up and the surrounding temperature

64
Q

stitches/tufts per square inch

A

made by machine

65
Q

Which is more stable: solid hardwood or engineered wood?

A

engineered wood

Design Science - Kim Burke (7 decks)

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