Carpet

Question 1

Carpet Types

Answer 1

• Broadloom or sheet (12’ wide goods)
• Carpet Tiles (indiv squares)
• Rugs (soft floor covering)

Question 2

Carpet Construction

Answer 2

• Tufting (big stitch into back with latex)
• Fusion Bonding (yarn direct into liquid vinyl)
• Needle Punching (pushed and pulled through barbed needles, secondary backing too)
• Weaving (interlace warp (lengthwise) and weft (runs crosswise)
• Knitted (pile and backing in one operation)

Question 3

Gauge

Answer 3

• measure of the spacing of the tufting needles, center to center across the width. 1/8 gauge, needles are 1/8” apart, produces 8 yarn ends per inch

Question 3

Stitches

Answer 3

number of ends sewn by needles down the lenght of the carpet

Question 4

Pile Height

Answer 4

lenght of a tuft from backing surface to the tip of the tuft. Measured in a fraction of an inch.

Question 5

Three types of weaving

Answer 5

• axminister
• wilton
• velvet

Question 6

Pile Fibers

Answer 6

• Wool
• Nylon
• Acrylic
• Modacrylic
• Polyester
• Polyproplene or Olefin
• Sisal
• Blends

Question 6

Carpet Dyeing

Answer 6

• Pre dye
• Post dye
• Printing

Question 6

Styles of Pile

Answer 6

• Level Loop (equal height, pebble)
• Mulitlevel loop (two or three levels)
  cut loop/cut and loop (high cut pile and lower loop)
• saxony plush/saxony (pile height 1/2” or less)
• textured plush/velvet/plush (pile height over 1/2”)
• frieze (tightly twisted with grainy appearance)
• random tip shear/random shear (cut and loops of all the same height)
• shag (long pile and loose construction)

Question 6

Carpet Appearance & Durability

Answer 6

• face weight - weight of pile yarn
• total weight - finished weight
• pile density - weight of pile yarn
• yarn count - thickness of yarn
• delamination - separation of backing
• colorfastness - resistance to fading
• static generation - generation of
• tuft bind - force required to pull out tuft
• wear resistance - abrasion resistance
• appearance retention - how looks in heavy traffic

Question 6

Carpet Backing

Answer 6

• backing on which yarn is tufted, bonded or woven
• primary - locks fibers in place
• secondary - bonded

Question 6

Broadloom Carpet Installation

Answer 6

Stretched in - streched over cushion and attached at perimete

• Direct glued - glued to floor
• double glue down - cushion adhered to floor and carpet glued to cushion
• self-stick - flexible adhesive layer applied to carpet backing and covered with a protective plastic film

Question 7

Types of Carpet Tile Instllations

Answer 7

• free lay - strip of adhesive every 15’ around perimeter
• full glue - glue placed on each tile
• pre applied adhesive coating - peel and stick down each tile