Tile

Question 1

surfacing unit, thin.

made from clay, or mix clay/other ceramic.
glazed or unglazed.

fired above red heat, produce specific physical characteristics.

Answer 1

ceramic tile:

Question 2

glazed or unglazed,
usually ≥ 6in2,
made by extruding natural clay or shale.

Answer 2

quarry tile:

Question 3

formed by either dust-pressed or extrusion.
1/4in to 3/8in thick,
facial area ≤ 6in2.

Answer 3

ceramic mosaic tile:

Question 4

process:

large presses shape dry clay.

Answer 4

dust-pressing

Question 5

machines cut from wetter, more malleable clay,

extruded through a die.

Answer 5

extrusion

Question 6

classification:

in US, based on

Answer 6

size

Question 7

classification:

imported tile, based on

Answer 7

production method,
water absorption,
finish,
glazed/unglazed.

Question 8

4 US classifications:

Answer 8

mosaic: < 6sqin
wall tile: > 6sqin
quarry tile: extrusion
paver tile: dust-pressed and > 6sqin.

Question 9

tiles often classified by resistance to

Answer 9

water

Question 10

nonvitreous:

Answer 10

absorption >7%.

Question 11

semivitreous:

Answer 11

> 3% but <7%.

Question 12

vitreous:

Answer 12

> 0.5% but <3%.

Question 13

impervious:

Answer 13

≤0.5%

Question 14

classifications of abrasion:

group I–groupIV

Answer 14

group I: light residential
group II: moderate residential,
group III: maximum residential,
group IV: highest abrasion resistance, commercial.

Question 15

tile size and shape:

ceramic tile nominal thickness

Answer 15

¼”

Question 16

tile face size and shape:

ceramic tile

Answer 16

1x1’, 2x2’, sometimes 2x1’ and hexagon shapes.

Question 17

tile face size and shape:

glazed tile

Answer 17

standard nominal sizes: 4 ¼x4 ¼, 6x4 ¼, 6x6.

Question 18

tile size and shape:

glazed tile nominal thickness

Answer 18

¼” or 5/16”.

Question 19

glazed tile shapes:

Answer 19

cove base
bullnose
inside/outside corners

Question 20

quarry tile: thickness

Answer 20

1/2”

Question 21

quarry tile: standard nominal sizes

Answer 21

3x3, 4x4, 6x6, 8x8, 8x4, 6x3.