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CARPET INSTALL AND RE-
INSTALL 101
UNDERSTANDING THE BASICS

CARPET INSTALL AND
RE-INSTALL 101
TO BEGIN WITH: ___________________
Store carpet and related
materials in a climate-controlled,
dry space.
Protect carpet from soil, dust,
moisture and other contaminants
and store on a flat
surface. Stacking heavy objects
on top of carpet rolls or stacking
more than three
rolls is prohibited.
Transport carpet in a manner that
prevents damage and distortion.
Bending or folding individual carpet
rolls or cuts from rolls is not
recommended.
When bending or folding is unavoidable
for delivery purposes, the carpet is
required to be unrolled and allowed to
lie flat immediately upon arrival at the
installation site.

INSTALL 101
The carpet is to be installed when the indoor
temperature is between 65-95ºF (18-35ºC)
with a maximum relative humidity of 65%.
The substrate surface temperature should
not be less than 65°F (18°C) at time of
installation.
Keep seams to a minimum. Position
seams so that, where
possible:
• they run the length of the area.
• main traffic flow runs along, rather
than across, the seam.

natural light does not strike across the
seam.
• are away from areas subject to
pivoting traffic.
• are not perpendicular to doorway
openings.
The installation is not to begin until the
HVAC system is operational and the
following conditions are maintained for at
least 48 hours before, during and 72 hours
after completion

INSTALL 101
_______________________________________
_Tack strip –It is required that tack strip be a minimum of one inch (25 mm) wide
and ¼ inch (6 mm) thick. Architectural strip two inches in width (50mm) with three
rows of pins, or two conventional strips with two rows of pins each are required for
stretching areas exceeding thirty feet to provide secure attachment of the carpet
and additional shear strength. To prevent possible injury to building occupants, it
is required that the pins on tack strip not protrude through the carpet being
installed.
Additional tack strip installation specifications include:
• Securely fasten tack strip to maintain the tension _ provided by power
stretching. Nailed or stapled tack strip is required to have a minimum of two
fasteners per piece.
• Place tack strip with the pins angled toward the vertical abutment.
• The gully, or distance between the tack strip and vertical abutments, is required
to be slightly less than the thickness of the carpet but not exceed ⅜ inch (9 mm).
• Avoid installing tack strip across door openings and/or sills.

INSTALL 101
_______________________________________
_• Cut tack strip to follow the contour of door casings and other irregularly shaped
abutments.
• Do not staple carpet to tack strip.
• On radiant-heated floors, use manufacturer’s approved adhesive to secure
tack strip do not use nails or screws to prevent damage to heating system.
Using a Mechanical Stretching Device (i.e. Power Stretcher) is Mandatory.
Devices used as a substitute for, or an attachment to such devices that penetrate
through the carpet backing may cause injury, damage carpet or substrates, or
result in inadequate stretch. Such devices are not acceptable.

CARPET INSTALL AND
RE-INSTALL 101
TACK STRIP

THE SKELETAL SYSTEM OF THE
STRETCH-IN INSTALL METHOD

MUST BE PLACED, ADHERED, AND
SPACED PROPERLY FOR THE PRODUCT
TO PERFORM WELL

MUST BE PLACED IN CORRECT
DIRECTION, AND “GULLEY” MUST BE
PROPER

TEST ADHESION BY ATTEMPTING TO PRY
STRIP LOOSE WITH YOUR FINGERS

INSTALL 101
TACKSTRIP

EACH NAIL OR MASONRY SCREW
MUST BE PLACED 5.5” APART

FIRST AND LAST MUST BE 1.5”-2”
FROM END OF STRIP

IF A NAIL IS MISSED AND BENT, A
SUITABLE ONE SHOULD BE PLACED
NEARBY

2 PURPOSES OF TACKSTRIP:

1. HOLDS CARPET IN STRETCH
POSITION

2. PROVIDE A SUITABLE GULLEY TO
PROTECT THE CARPET'S EDGE

CARPET INSTALL AND
RE-INSTALL 101
TACKSTRIP

TACKSTRIP SHOULD
NOT BE INSTALLED IN
A DOORWAY!

CRI 105 STATES: “AVOID PLACING
TACKLESS STRIP ACROSS DOOR
OPENINGS OR DOOR SILLS WHERE
POSSIBLE”

THIS WARNING IS MEANT TO HELP AVOID
DELAMINATION AND RIPS/TEARS IN
DOORWAYS.

WHEN CARPET LENGTH OF 30 FEET OR
MORE ARE TO BE STRETCHED, USE
ARCHITECTURAL OR DOUBLE STRIP

CARPET INSTALL AND
RE-INSTALL 101
CAUTION: Some sheet vinyl, resilient tile and cut-back asphalt-
based adhesive may contain asbestos and/or crystalline silica.
Inhaling dusts from these materials creates a cancer and
respiratory system hazard. Lacking documented evidence to the
contrary, e.g., current testing, assume that these materials
contain asbestos and treat them in the manner prescribed for
removing floors containing asbestos. Recommended work
practices prohibit sanding, dry
scraping, bead-blasting or mechanically pulverizing resilient
flooring, backing or lining felt. Do not use powered devices that
create asbestos dust when removing “cut-back” or asphalt-
based adhesives. It is required that removal procedures comply
with federal, state and local government agency regulations
covering the removal and disposal of asbestos-containing
materials (ACM).

INSTALL 101
_______________________________________
_Relaxing/Conditioning Carpet – To minimize wrinkling and buckling and to
facilitate installation, it is highly recommended that carpet be unrolled and allowed to
relax in the installation area for a time period that conforms to the requirements of
the manufacturer of the product being installed. (See Section 7.2 Ambient
Conditions) This time period will vary up to 72 hours, but should not be less that 24
hours at a temperature between 65-95ºF (18 -35ºC). Protect carpet adequately from
soil, dust, moisture and other contaminants. Sundry items, such as adhesives, should be
conditioned as well. If these conditions are not attainable, contact flooring manufacturer
for applications to warranty.

SEAMS

POLYPROPYLENE SOFTENS AT 230-
240 DEGREES.

POLYPROPYLENE MELTS AT 325-340
DEGREES

SEAMS SHOULD BE SET SUCH THAT
TRAFFIC IN THE ROOM OCCURS
PERPENDICULAR TO THE SEAM, NOT
ALONG THE SEAM

SEAMS SHOULD BE KEPT TO A
MINIMUM

NATURAL LIGHT (SUNLIGHT) SHOULD
NOT STRIKE ACROSS THE SEAM
CAUTION: Failure to properly prepare seam edges often results in:
• edge ravel
• edge delamination
• tuft loss
• seam separation
• safety concerns
INSTALL 101

INSTALL 101

WHEN MARKING ON THE BACK OF THE CARPET FOR A CUT, A LEAD CARPENTER'S
PENCIL IS BEST. YOU MAY ALSO USE A CHALK LINE WITH WHITE CHALK ONLY. IF
USING COLORED MARKERS (SHARPIES, ETC) OR RED OR BLUE CHALK IN A CHALK
LINE, YOU WILL RISK SERIOUS STAINING IF THE AREA EVER BECOMES WET. THIS
TRANSFERENCE CAN “WICK” TO THE SURFACE!

YOU WILL NEED FRESH BLADES OFTEN, THE ONLY THING YOU CUT WITH A DULL
BLADE IS YOURSELF! YOU WILL ALSO NEED A SECURE GRIP ON THE KNIFE, AND LOTS
OF PRACTICE (ON PRACTICE SCRAPS) IN ORDER TO CUT A GOOD STRAIGHT LINE FOR
A PROPER SEAM.

WHENEVER POSSIBLE, A TUFTED BACK CARPET SHOULD BE CUT FROM THE BACK,
CAREFULLY CUTTING ONLY THROUGH THE PRIMARY AND SECONDARY BACKINGS,
CAREFULLY SO AS TO AVOID BEVELING THE FACE YARNS!! EXCEPTION: LOOP PILE
CARPET SHOULD BE CUT FROM THE FACE, AND SHOULD BE CUT BETWEEN THE
ROWS. SOMETIMES THIS MEANS DIAGONAL CUTS ARE NECESSARY, ESPECIALLY IN
THE CUT FOR A REPAIR- IT MUST BE A PARALLELLOGRAM!

ALL SEAMS MUST HAVE THE CUT EDGES SEALED IN SOME MANNER BEFORE TAPE IS
ACTIVATED- SEVERAL OPTIONS: HOT KNIFE, LATEX SEAM SEALER (MUST WAIT 20
MINUTES BEFORE PROCEEDING), SOLVENT SEAM SEALER (FAST DRYING BUT
PRODUCES ODOR)- EXCEPTION- FUSION BONDED CARPET

CARPET INSTALL AND
RE-INSTALL 101

SEAM SEALANTS MUST BE APPLIED TO THE CARPET EDGE, SEALING THE PRIMARY AND SECONDARY
BACKINGS AT THE BASE OF THE FACE YARNS. THE IDEA IS BY SEALING, THE LAST ROW OF FACE
YARNS WILL NOT PULL OUT OVER TIME WITH TRAFFIC AND VACUUM ROUTINES. IN FACT, YOUR LAST
ROW OF YARNS WILL ACTUALLY BE STRONGER THAN THE ROW RIGHT NEXT TO IT- WHEN TESTING
THROUGH THE “TUFT BIND” TEST.

WHEN USING A STANDARD SEAMING IRON, IF POSSIBLE THE IRON SHOULD TRAVEL WITH THE LAY
OF THE NAP. ALSO, PRESSURE SHOULD NOT BE APPLIED IN A DOWNWARD, SIDEWARD, OR
BACKWARD DIRECTION- ALWAYS SMOOTHLY ALONG THE TAPE AS THE IRON MELTS THE SILICONE.

SEAMS MUST BE HAND SEWN IF YOU ARE WORKING WITH WOVEN CARPET!
EVOLUTION OF THE TYPICAL SEAM
1. SEAM LOCATION HAS BEEN DETERMINED EITHER BY DAMAGE FOR A REPAIR, OR BY DESIGN
BEFORE THE CARPET WAS ORDERED.
2. PILE LAY: DETERMINE PILE LAY WITH THE PENCIL AND PAPAER TEST, THEN ALSO CONSIDER THE
PATTERN IF PRESENT, AND MATCH THE PATTERN AS WELL.
3. CUTTING: ROW CUT/ROW CUT OR ROW CUT/TRACE CUT

CARPET INSTALL AND
RE-INSTALL 101
EVOLUTION OF THE TYPICAL SEAM
4. DRY FIT- TEST THE DONOR PIECE IN THE VOID, MAKE SURE THE FIT IS AS
GOOD AS YOU CAN MAKE IT. NO SPACE BETWEEN BACKING OF DONOR AND
EXISTING CARPET SHOULD BE THE GOAL! THIS IS MUCH EASIER IN A
FRIEZE STYLE, MUCH MORE DIFFICULT IN BUILDER'S GRADE!!
5. PLACE A SEAMING BOARD (FLAT, THIN WOOD PIECE) UNDER THE AREA
6. PLACE SEAM TAPE
7. SEAL THE SEAM EDGES
8. PRE-STRETCH THE SEAM
9. INSERT IRON, OR IF DOING A TOP-DOWN SEAM, BEGIN APPLYING HEAT
10. IRON AT 3 OR UNDER, AND TRAVEL WITH THE NAP
11. LINE UP THE BACKINGS EDGE TO EDGE AFTER IRON PASSES
12. USE A ROLLER (FLAT EDGE OR STARRED)- DO NOT OVER-ROLL!!
13. DUCK BILL SHEARS TO TRIP AND PROTRUDING YARNS AND STRETCH!

CARPET INSTALL AND
RE-INSTALL 101
RE-STRETCHING

UNFORTUNATELY, USUALLY A “RE-STRETCH” IS
REALLY THE FIRST TIME THE STRETCH HAS
BEEN PERFORMED PROPERLY

BUCKLING IS THE TERM PROFESSIONALS USE
TO DESCRIBE THE SITUATION WHEN CARPET
NEEDS TO BE STRETCHED
BUCKLING CAN BE CAUSED BY:
1. IMPROPER INSTALL
2. HUMIDITY
3. DELAMINATION
4. TOO SOFT OR TOO THICK CUSHIONING
5. DOUBLE CUSHION
THE POWER STRETCHER IS THE PRIMARY TOOL
REQUIRED WHEN STRETCHING CARPET
THE KNEE KICKER IS AN ASSIST TOOL
THE POWER STRETCHER HEAD SHOULD BE SET
BETWEEN 2 AND 6 INCHES FROM THE WALL,
AND NO MORE THAN THE WIDTH OF THE HEAD
OF THE STRETCHER SHOULD BE MOVED WHILE
STRETCHING

CARPET INSTALL AND
RE-INSTALL 101
HELPFUL FACTS

STRETCH AWAY FROM OBSTACLES,
NOT TOWARDS THEM

STRETCH AWAY FROM SEAMS AND
PINNED CLAMPDOWN METAL
TRANSITIONS (GOLDBAR)

THE STANDARD FOR STRETCH IS
“DRUM TIGHT”

SYNTHETIC BACKED TUFTED CARPET
SHOULD STRETCH 1- 1 1/2% IN
BOTH LENGTH AND WIDTH OF THE
ROOM
THIS ILLUSTRATES HOW A
KICKER CAN ASSIST A
STRETCHER IN THE
PROCESS

CARPET INSTALL AND
RE-INSTALL 101
STRETCHING

GOOGLE “CRI 104”

STRETCH AWAY FROM
CLOSETS, DOORWAYS,
ANY OBSTACLE

BACKING MUST BE IN
TACT

KNOWING REPAIRS VERY
HELPFUL

DEMONSTRATE THE
STRETCH TEST FOR YOUR
CUSTOMER

CARPET INSTALL AND
RE-INSTALL 101
AXMINISTER CARPET CAN
MOSTLY BE STRETCHED IN
THE LENGTH, DUE TO IT'S
CONSTRUCTION

CARPET INSTALL AND
RE-INSTALL 101
BOTTOM LINE:
HOW DO YOU WANT TO SIGN
YOUR NAME?

�ݺ�ߣ

Carpet Install and re-install 101

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Carpet Install and re-install 101