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It
is easy for the consumer to become impressed with the look or feel of an
inexpensive carpet which may present these characteristics for a very
short period of time. The information below is intended to make
you a better informed consumer.
This
information has been compiled by a leader in the carpet inspection and
evaluation industry. ITEL Inc.
The
link below will go directly to their site in a separate browser.
ITEL,
Inc. (Independent Testing and Evaluation Laboratory)
8933 Western Way, Suite 20 Jacksonville, Florida 32256
phone: (904) 363-0196 fax: (904) 363-2379
We
are proud to offer their scientific evaluation services. For
information regarding these services, please forward a request via
email. [email protected]
Tufted
Tufted carpet accounts for more than 95 percent of broadloom on the
market today. Prior to the development of the tufting process in the
1950's carpet was a luxury item. Ninety-two percent of carpet in the
country is tufted in and around Dalton, GA. Fifty percent of carpet in
the world is tufted in and around Dalton, GA. It is in Dalton that the
tufting process was developed and perfected.
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Woven
Woven carpets have been produced for centuries. Woven carpets are
produced on a loom. The yarns are inter-twined down the length of and
across the carpet. There is no latex adhesive in a woven carpet. Woven
carpets can be from 1 1/2 to 3 times the price of a tufted carpet, with
other dimensions being equal. The primary advantage to a woven carpet is
the detail of color patterns that can be achieved. Woven carpets account
for approximately one and one half percent of today's carpet market.
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Needlepunch
Needlepunched carpets are typically found at the lower price end of the
carpet spectrum. This construction is most popular with indoor-outdoor
carpets and with synthetic turfs. The face yarns of a needlepunched
product are punched through a primary backing material with a series of
barbed needles. There is no latex adhesive used in the process. The
needlepunched process is highly water resistant and when used with a
water resistant fiber (such as olefin) produces a carpet which can stand
up to water.
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Bonded
Bonded carpets are quite rare. They are more common in European carpet
tiles. There are only about six or eight commercial carpet styles
produced in this country using bonding. The face fibers are adhered to a
primary backing using a very strong epoxy adhesive.
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FIBERS
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Nylon
Nylon is the predominant fiber in the carpet market today. It is the
most expensive synthetic (until Corterra's appearance). Nylon's greatest
strength is its resilience or the ability to bounce back from foot
traffic. Nylon's greatest weakness is the fact that it readily stains.
This has lead to treatments such as Stainmaster® and Scotchguard®
which are discussed in the <>section.
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Polyester
Polyester is a fiber which can be manufactured from recycled two liter
soda bottles. The extrusion process is basically the same as that
described for nylon. Polyester is anywhere from about $3-5 per square
yard less expensive than nylon depending on the dimensions of the
carpet. Polyester looks and feels great, as does nylon. One cannot be
distinguished from the other. The advantage of
polyester over nylon is that is has greater natural stain resistance.
The disadvantage is that it is not as resilient and could be subject to
crushing in a high traffic situation. There is a resurgence of polyester
on the market today from many mills and they are marketing the product
as "kid proof" and "family friendly". These claims
address the staining problem but do not address the resilience issue
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Olefin
(Polypropylene)
Olefin is also known as polypropylene. It is the least expensive carpet
fiber. It has enjoyed tremendous growth in market share during the 1990s
because of the popularity of the of the berber style carpet. Many early
synthetic berbers were made with 100% olefin yarn. Olefin's greatest
weakness is the fact that it is the least resilient of carpet fibers.
The large loops of olefin in a berber will crush down in a high traffic
pattern. Many modern berbers are a blend of olefin and nylon which
improve the resilience but also make the carpet more expensive. Olefins
greatest strength is that it is virtually stain proof. Olefin fibers are
extruded from a combination of white and colored chips which produce a
colored yarn. The color is built into the yarn.
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Acrylic
Acrylic is the oldest synthetic and has been on the market since the
'60s. It was only made by one fiber manufacturer (Solutia) under the
tradename "acrylan" but is no longer produced. Acrylic is the
synthetic fiber that looks and feels most like wool and is most often
blended with wool.
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Wool
Wool has been the most prestigious of carpet fibers for decades. It is
the most expensive fiber by far. A wool yarn must be staple. There is no
such thing as a continuous filament sheep.
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Cotton
Cotton is trying to make a comeback. At the floor covering industry
trade show in January 1998, the Cotton Council had several styles of
cotton and cotton blend carpets on display. Cotton has very poor
resilience and stain resistance. The cotton manufacturers are attempting
to overcome the shortfalls with new stain protections and by blending
cotton with other fibers (wool, nylon) to give greater resilience.
Cottons greatest strength is that is has a very soft and natural feel.
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BACKING
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Primary
Primary backing is a narrow woven mesh of synthetic fiber through which
the face yarns of a tufted carpet are sewn.
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Secondary
Secondary backings are found on almost all tufted carpets. The two
classes of secondary backings are natural (or jute) and synthetic. Jute
backed carpets are getting increasingly rare on the market today.
Because of the difficulties associated with water and jute back, we do
not recommend that they ever be put back down on a floor. The most
common synthetic back is the woven polypropylene mesh. Other specialty
backs are cushion and unitary. A cushion-backed carpet has a built-in
pad attached. A unitary backed carpet has no specific secondary back. It
is designed for a direct glue-down application.
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FINISH
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Saxony
Saxony is the style that is typically thought of when discussing cut
pile carpet. It is distinguished by smooth pile yarns reaching the
carpet surface very evenly. A saxony carpet is distinguished by the fact
that it exhibits a high degree of shading. Shading is the propensity for
a carpet to look two different shades of color when the face is brushed
in one direction and then the other.
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Textured
Saxony
Textured saxony is created to minimize the shading characteristics of a
cut pile carpet. Where a saxony is made with straight, smooth yarns, a
textured saxony is made with yarns that are crimped during the heat
setting process. The crimped yarns do not come to the surface of the
carpet in straight allignment. The random texture of the yarns, diffuses
the light reflecting from the carpet surface, enabling it to minimize
shading. Textured saxonies are now more popular than the saxony but do
not wear any better nor are they more expensive. Textured saxonies are
also marketed under the name "trackless". The difference
between the two is totally one of styling preference. These two styles
account for over 50% of residential styles
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Pindot
A Pindot carpet is one with rows of dots that are different from the
primary surface yarns in either texture or color (or both). The pin dot
has no better wear or performance but will be slightly more expensive
than the saxonies. Again the difference is styling preference.
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Velvet/Velour
Velvet/velour carpet is different than most in that the yarns are not
twisted. The yarns come straight to the surface of the carpet which will
make a smooth, uniform appearance (hence the name velvet). There are few
velvets on the residential market. The lack of any twist in the yarns
typically insures a low pile height.
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Frieze
(pronounced: free-zay)
Frieze carpets are also known as "twist frieze" in some
markets. They present a deeply textured, three dimensional appearance.
They are distinguished by yarn bundles that are tightly twisted and
individually distinguishable from a distance. The yarns are actually
overtwisted to the point that they kink. Most yarns lay over and do not
stand up straight. Frieze carpets are the best wearing cut-pile style.
The frieze is predicted to be the next "big" carpet style.
Many new frieze styles were on display at the National Floorcovering
Show in Las Vegas. Friezes will be more expensive because of the extra
processing of the yarns and because they are currently very high on the
demand list.
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Level
Loop
A carpet style having all the pile in a loop form of identical height.
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Textured
Loop
Textured loop carpets contain loops that randomly vary in height. The
surface of carpet gets a textured or more rugged appearance.
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Multi-Level
Loop
Multi-level loop carpets are sometimes referred to as sculptured berbers.
They contain a geometric pattern that looks as though it has been carved
out.
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Multi-Level
Cut & Loop
Multi-level cut and loop carpets are more typically known as sculptured
carpets. They contain a higher cut pile and a lower area of loops. This
style of carpet was very popular in the 1980's. Each mill still has
several styles of MLC&L carpet.
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Berbers
A generic industry term describing a loop-pile construction style of
carpet comprised of large, bulky yarns. The majority of today's berber
style carpets are tufted from nylon, polypropylene or
nylon/polypropylene blends, although some wool is still foun
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Others
Shag carpets were very popular in the 1970's. They are distinguished by
a pile of typically one inch or longer. Many shag carpets are still on
peoples' floors. Although most people think of a shag as severely dated,
they are making a comeback. Modern shags are found in whites,
off-whites, pastels and black. Many modern shags are being sold through
designers and decorators which will boost their average $40/sy price up
even further. The period coloration of a 70's shag is a reminder that
color has no effect on value. The appealing color that attracts a woman
to a modern, stylish carpet has no more effect than the sometimes
outrageous colors found on old shags.
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OTHER DIMENSIONS
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Face
Weight
Face weight is the weight of yarn in one square yard of carpet. It is
not the weight of the entire piece of carpet (which is total weight).
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Pile
Height
Pile height is the distance from the tip of the tuft down to the primary
backing.
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Gauge
Gauge is the distance between the centerpoints of adjacent needles on
the sewing bar that tufted the carpet. Only a tufted carpet will have a
gauge.
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Stitch
Rate
Stitch rate is the number of times in an inch the needle tufted a yarn
bundle.
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Pad
Weight
Pads made of new urethane and used or scrap urethane (re-bond) are
specified by pounds per cubic foot (e.g. 5 lb. means 5 pounds in one
cubic foot). Pads like felt are specified by ounces per square yard (
e.g. 44oz would be 44 ounces of felt in one square yard).
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Stain
Repellants (Scotchguard®)
Scotchguard® type applications are a florochemical protective coating
designed to keep stains and soil away from the carpet fiber.
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Stain
Blockers (Stainmaster®)
The Stainmaster® type treatment works within a nylon fiber. The
stainmaster chemical is introduced to the fiber just after the dying on
a typical carpet. The stainmaster is designed to fill up the dye sites
which are found along a nylon filament. By filing the dye site, the site
can not accept any molecules (stain) in the future.
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Fiber Chart
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Nylon
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Polyester
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Polypropylene
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Wool
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Acrylic
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Color
Choice
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Excellent
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Good
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Fair
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Good
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Good
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Style
Flexibility
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Excellent
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Good
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Good
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Good
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Good
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Abrasion
Resistance
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Excellent
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Excellent
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Excellent
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Good
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Fair
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Resilience
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Excellent
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Good
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Fair
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Excellent
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Good
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Soil
Resistance
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Good
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Good
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Excellent
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Good
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Good
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Stain
Resistance
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Fair
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Vary
Good
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Excellent
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Fair
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Good
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Cleaning
ability
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Good
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Very
Good
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Excellent
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Good
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Good
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Chemical
Resistance
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Good
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Good
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Good
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Fair
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Good
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Color
Fastness
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Very
Good
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Very
Good
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Excellent
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Good
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Good
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Flammability
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Good
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Good
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Good
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Excellent
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Fair
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Static
Resistance
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Poor
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Good
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Good
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Poor
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Poor
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