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CRI 105 - STANDARD For INSTALLATION of RESIDENTIAL CARPET Copyright © 2015 by The Carpet and Rug Institute, Inc.
Definition of Terms
Term
Definition
Double glue
down
This is an installation method where carpet cushion is first adhered to
the substrate, and the carpet is then adhered to the cushion using the
proper adhesives.
Double-headed
mini-stretcher
(crab stretcher)
Hand device used for aligning patterns where a power stretcher
cannot be used; also used for removing fullness at seams and closing
gaps at seams.
Dry line
This is a length of line or cord, which is stretched slightly above the
carpet, but not touching the carpet, and used as a visual reference in
pattern alignment. Lasers also may be used in this capacity.
Edge Ravel
A condition of yarn loss in installed carpet when the edges begin to
fray.
Gully
The distance between the tack strip and the wall. A gully should
always be slightly less than the thickness of the carpet and not
exceeding 3/8 inch.
HVAC
Acronym for “heating, ventilating, and air conditioningreferring to
indoor climate control systems.
High Moisture
Carpet
Adhesive
This is an adhesive that will work in a high moisture environment,
however it does not act as a moisture barrier. See adhesive
manufacturer for warranty information.
Knee-kicker
This is an installation tool designed to position carpet, hook and
secure carpet onto the tack strip and also perform stair installations.
[NOTE: A knee kicker is not for stretching carpet.]
Open time
The earliest time interval between the spreading of adhesive on a
substrate and the placement of a floor covering material into the
adhesive for bonding.
Patching
Floor preparation process of filling holes, cracks, and imperfections,
etc., in a floor substrate prior to installation of carpet
Pattern bow
This is a distortion visible as wavy or crooked pattern lines when
viewed across carpet width.
Pattern
elongation
This is a variation of cumulative pattern measurements from one
breadth/width to the next. It is often referred to as “pattern run-off
or “Length Pattern Repeat (LPR)”. [Sequencing of cuts minimizes
effects.]