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					                   Uniplus System II “Double Stick”
              Installation with Lees Unibond Carpets and Lees WetSet Adhesive


Acceptable Substrates
                                •   Concrete – 1. Conduct a moisture test. Moisture in the
 NOTE:      Meet with the           subfloor will interfere with the curing and performance of the
 general contractor several         adhesive. The calcium chloride test is the only acceptable test. A
 days before installation.          reading of 3.0 pounds per 1,000 square feet per 24 hours is the
 Discuss the various areas
                                    maximum acceptable reading for Lees Squared Pressure
 of     responsibility  so
 acceptance of the floor is         Sensitive Adhesive. If the moisture reading is between 3.0 and
 a smooth transition.               8.0 pounds, use two coats of Lees EverSeal. Lees EverSeal is
                                    guaranteed for moisture readings up to 8.0 pounds. 2. Test the
                                    pH of the concrete using an accurate wide-range pH test kit
                                    covering pH range from 0 to 14. The acceptable pH level is
                                    between 7 and 9. If the pH level is above 9 or under 7, mop the
  NOTE:       Do   not sand         floor with a vinegar and water solution (eight ounces of vinegar
  products         containing       to one gallon of water). Allow this solution to dry completely,
  asbestos.                         then use two coats of Lees EverSeal.
                                •   Vinyl and Resilient - Remove floor finishes, such as wax, by
                                    sanding. Be sure that all tiles are well adhered; remove any
 NOTE: When removing                loose tiles. If the flooring is adhered over concrete, it is always
 carpet from a surface              advisable to conduct a calcium chloride test for moisture on the
 containing asbestos, be            underlying substrate.
 certain    to      consult     •   Wood Subflooring – Seal any porous areas or oil contamination
 applicable local, state,           with EverSeal. Remove any waxes or other finishes. Wood
 and federal guidelines for         underlayment should be a minimum of ¾” tongue and groove.
 the handling of asbestos           The underlayment must be tongue and groove.
 containing materials.
                                •   Hardwood Flooring – Remove any waxes or other floor
                                    finishes prior to carpet installation. Varnishes, polyurethane
                                    finishes, etc. do not need to be removed.
 NOTE: Remember, if you
                                •   Tile (ceramic, porcelain, marble, terrazzo) – Fill and level any
 install the adhesive on a          grout lines.
 surface that is not well-      •   Metal or Rubber - Remove any floor finishes, dirt, or wax.
 adhered to the substrate,      •   Gypcrete Patches – Lees recommends using EverSeal to
 it could jeopardize the            eliminate any dust that may interfere with adhesion. However, it
 carpet installation if that        is the contractor’s responsibility to determine if the patch is
 surface releases from the          adhered firmly enough to the substrate to install the carpet.
 underlying substrate.


Before Installation
                                •   The floor and room temperature should be between 65º F and
 NOTE:          Inform the          95° F and the humidity level should be between 10% and 65%
 contractor      that   one         for 24 hours before and 48 hours after installation. Take the
 installer will return five
                                    reading from a thermometer placed on the floor.
 days after the completed
 installation to remove any     •   Store the carpet, pad, and adhesive at 65° F to 95° F on site 24
 carpet bubbles and/or              to 48 hours before installation. The carpet will be more pliable
 buckles that may appear.           and the adhesive easier to spread.
                                •   Unroll the carpet and allow it to condition in the environment for
                                    24 hours before the installation. The carpet must remain in the
                                    same room under constant temperature and humidity.
                                      Uniplus II Installation – Page 1
                                             Revised 2/24/06
                                 •   Remove and sand any protrusions in the floor greater than 1/16-
                                     inch. Fill cracks or depressions greater than 1/16-inch wide with
                                     a Portland cement-based patching compound.
                                 •   For all substrates, remove foreign materials that are not well
                                     adhered to the substrate, such as loose paint or floor patches.
                                 •   Either remove all foreign matter from the floor, such as grease,
 NOTE:       Neglecting to           oil, paint, wax, dirt, dust, or old adhesives, or seal the floor with
 remove old adhesives may
                                     one coat of Lees EverSeal.
 result   in     installation
 failure.                        •   Cut back or black solvent-based adhesives must be totally
                                     removed, covered with vinyl composition tile, or sealed
                                     with Lees SureSeal cut-back sealer.


Recommended Adhesives
                                 •   Lees Squared Pressure Sensitive Adhesive is recommended to
                                     adhere the pad to the subfloor. The approximate spread rate is
                                     35 yards per gallon.
                                 •   Lees WetSet Adhesive is recommended to adhere the carpet to
                                     the pad. The approximate spread rate is 5 – 6 yards per gallon.
                                     It is the installer’s responsibility to determine the exact spread
                                     rate for a particular installation.


Recommended Equipment
                                 •   Lees Squared Pressure Sensitive Adhesive
                                 •   1” Nap Paint Roller
                                 •   Lees WetSet Adhesive
                                 •   1/8” x 1/16” x 1/8” V-Notch Trowel
                                 •   Loop Pile Cutter
                                 •   Razor Blade Knife
                                 •   Natural Fiber Push Brooms
                                 •   Steel Nails
                                 •   Wagner Power Steamer or Jiffy Steamer (or another source of
                                     steam)


On Installation Day
                                 •   Review roll/pattern sequence before installation. Make every
                                     effort to install all rolls in sequence as indicated on the cutting
 Non-porous        floors    –
                                     ticket or, if the carpet is a patterned good, according to the
 Floors of vinyl, steel, etc.        sequence outlined in the pattern sequence report. Never
 absorb little of the moisture       indiscriminately mix dye lots.
 in adhesive. The moisture       •   Check the porosity of the floor. A major factor in the drying rate
 must evaporate before the           of the adhesive is the type of floor. To check porosity, pour a
 adhesive can cure.                  cup of water on the floor. If the water beads on the surface, the
 Porous floors – Concrete            floor is non-absorbent. However, if the water is absorbed
 or wood floors that can             rapidly, the floor is very porous.
 absorb an excessive amount
                                 •   The recommended application method for the Lees Squared
 of the adhesive’s moisture
 and cause it to dry too             Pressure Sensitive Adhesive is a heavy-duty frame paint roller
 rapidly.                            with 1-inch nap on a plastic core.


                                       Uniplus II Installation – Page 2
                                              Revised 2/24/06
                                   •   The spread rate of the adhesive is 35 yards per gallon. The
                                       amount of adhesive applied to the subfloor is important. Before
                                       beginning installation, mark off a small area of the subfloor and
                                       determine the adhesive spread rate. This will allow you to
                                       determine the proper coverage level and amount of pressure to
                                       apply to the roller during installation.
                                   •   The recommended trowel size for application of the WetSet
                                       Adhesive is 1/8” x 1/16” x 1/8” V-notch trowel. The most
                                       common reason for the failure of an installation is that the
                                       wrong trowel size was used. Keep the trowel clean and re-notch
                                       every 300 yards.
                                   •   The coverage of the WetSet adhesive can vary. The
  NOTE: If the carpet must             approximate spread rate is about five to six yards per
  be cut outside, allow the            gallon. It is the installer’s responsibility to determine the exact
  carpet to acclimate for at           spread rate for a particular installation.
  least 2 hours after bringing     •   The Unibond backing is sensitive to heat and cold. For this
  inside. If you have creases,
                                       reason, do not cut Unibond outside unless absolutely necessary.
  use a steamer to help relax
  the backing.
                                       Laying Unibond on a hot parking lot to cut then bringing into an
                                       air conditioned area will set creases in the backing.


Installing the Cushion
                                   1. The Uniplus II pad comes reverse rolled. The Textron, or
                                      brown “paper” side, goes up; the black rubber side faces
                                      the floor.
                                   2. After you complete all floor preparation, plan the layout of the
                                      cushion. Install the cushion in the longest lengths possible with
                                      consideration for traffic patterns and seam placement.
                                   3. Cut and fit the pad.
                                   4. Fold back the cushion and begin applying the Pressure Sensitive
 NOTE: The goal is to coat            Adhesive to the floor. Use a 1-inch nap paint roller to apply the
 the floor with a continuous
                                      adhesive.
 thin film of adhesive. A thick
 film will make it harder to       5. Install the cushion into the adhesive after the adhesive dries
 remove the cushion from              (turns clear).
 the floor at the end of the       6. Place the cushion onto the adhesive and adjust so there are no
 carpet service life.                 gaps at the seams and full contact is made with adhesive.
                                   7. Smooth air bubbles with a 2-foot length of carpet core or the
                                      bottom of a tool box shelf.


Installing the Carpet
                                   1. To begin the installation, roughly locate the carpet so seams will
                                      be either at right angles to the cushion seams or offset at least
                                      six inches to either side.
                                   2. Trim all seam edges with the appropriate seam cutting tools
                                      before spreading the adhesive.
                                   3. From a starting point near the center of the room, snap a white
 NOTE: Be sure the carpet             chalk line on the floor, measuring from the perpendicular walls.
 lays flat and the pile runs in       This marks the location of your first seam.
 the       same       direction.   4. Dry lay the carpet by overlapping the edges 1 ½” over the chalk
 Directional    arrows       are      line. Allow an extra 1 ½” at the walls for trimming.
 provided on the back of the
                                   5. Check the carpet for the direction of pile lay, being careful to
 carpet.
                                      keep the carpet going in the same direction.

                                         Uniplus II Installation – Page 3
                                                Revised 2/24/06
                                6. To start the seam, select one edge for cutting and fold the other
                                   side out of the way.
                                7. Trim off the factory edges when making the seam. Do
                                   not use double-cut method.


Seaming the Carpet (Non-Patterned Products)
                                1. To start the seam, select one edge for cutting and fold the other
       IMPORTANT!                  side out of the way.
 Trim off the factory edges     2. To make a clean, straight cut for length seams, use the following
 when making a seam. DO            procedure for straight row constructions:
 NOT USE THE DOUBLE-CUT
                                   a. Use a screwdriver or the tip of cushion back cutter to
 METHOD.
                                       separate the yarn and visibly open a row approximately one
                                       inch from the edge.
                                   b. Cut along the opening with a cushion back cutter, working
                                       down the entire length of the first piece of carpet.
                                   c. To obtain a tight seam, cut close to the main body by
                                       trimming with the blade close to the seam edge. Be sure to
                                       hold the cutter straight up and down.
                                   d. To ensure a well fitted seam, use the trace cut method to
                                       cut the second carpet edge. This is done by sliding the
                                       second seam edge about 1 ½-inch under the first edge.
                                   e. Using the first edge as a guide, trim the second edge
                                       holding the cutter straight up and down. Before removing
                                       the cut piece, be sure the carpet is cut completely through.
                                3. To make a clean, straight cut for length seams, use the following
                                   procedure for staggered or shifted row constructions:
                                   a. Working from the back of the carpet, snap a chalk line down
                                       the length of the carpet about 1-inch from the edge.
                                   b. Use a straight edge and knife to carefully cut along the line.
                                   c. Cut through both the backing and the primary back. Avoid
                                       cutting excessive face yarn.
                                   d. Trace cut the seam edge of the second carpet, butting from
                                       the face, or use the straight edge method and cut from the
                                       back side.


Patterned Carpets
                                The installer must measure and define the exact pattern
 NOTE:         For     more     match before beginning the installation. The exact pattern
 information on matching
                                match may vary slightly from the match stated in the product
 patterned carpets, please
 call Lees Technical Service
                                specifications. Measure the length of at least 30 repeats. If the
 at 1-800-443-2241 for our      pattern is less than 4” in length, increase the number of repeats until
 technical          bulletin,   the measured length is at least 120” (10’). If the pattern repeat is
 “Installing      Patterned     larger than 12”, the measurement does not need to exceed 360”
 Carpets.”                      (30’). Measure the same number of repeats on every roll, preferably
                                making the measurements down the middle of the roll. Calculate
                                each manufacturing order individually. All rolls are within a
                                tolerance of +/- 1.0% of the average of pattern repeats for all rolls.




                                      Uniplus II Installation – Page 4
                                             Revised 2/24/06
Recommended Tools for Patterned Carpets
                                  Commercial Seam Cutter, Wall Trimmer
                                  Power Stretch & Mini Stretcher
                                  Steamer
                                  Row Finder
                                  Carpet Tractor
                                  Rollers (50 - 100 lb Push Roller & Straight Action Hand Roller)


Installation Check List for Patterned Carpet
                                  Measure the pattern repeats at the beginning, middle, and end
                                   of each roll
                                  ALWAYS install the drop with the longest pattern repeat FIRST
                                  Use a power stretcher on subsequent drops to match the pattern
                                   to the first roll (i.e., the roll with the longest repeat)
                                  Stretch (power and mini) carpet to align pattern
                                  Stay-nail aligned pattern to hold in place
                                  Use a steamer to soften the backing for better workability


Seaming the Carpet (Patterned Products)
                               1. When installing patterned carpets, a perfect match at the seams
 NOTE: Prior to cutting,
                                  may not always be possible. However, you should obtain a
 inspect      the     carpet
 thoroughly. No claim will
                                  reasonable pattern match. In the original labor quotation, make
 be honored if the carpet is      considerations for these requirements.
 installed with any visible    2. Lay out the rolls in measurement sequence as determined either
 defects. If a problem does       by the pattern report or from on-sight measurement of the
 exist, contact your local        pattern repeats for each roll of carpet to be installed.
 Lees salesperson, or call     3. Start the installation in the middle of the space using the rolls
 Lees Technical Service at        that have the largest pattern repeat. This allows you to stretch
 1-800-443-2241.                  rolls with smaller repeat measurements to match up to the rolls
                                  containing the larger repeat measurements.
                               4. You can row cut both seam edges of tufted patterned carpet
                                  face up using one of the above mentioned cutters.
                                  a. Use a screwdriver or the tip of cushion back cutter to
                                       separate the yarn and visibly open a row approximately one
                                       inch from the edge.
                                  b. Cut along the opening with a cushion back cutter, working
                                       down the entire length of the first piece of carpet.
                                  c. To obtain a tight seam, cut close to the main body by
                                       trimming with the blade close to the seam edge. Be sure to
                                       hold the cutter straight up and down.
                               5. You can also cut the carpet face down using the following method:
                                  a. Match the fabric face up.
                                  b. Pick points in the line of match and place the tip of an awl
                                       on these points.
       CAUTION!                   c. Force the awl through the carpet backing and mark these
 Avoid penetrating too                 points on the back.
 deep. This will sever the        d. Turn the carpet face down and connect match points with a
 tip of the tufts, creating            straight line.
 a slight crevice and a           e. Following this line, cut through the carpet backing only
 dark line at the seam.                using a straight edge and a razor blade knife.
                                     Uniplus II Installation – Page 5
                                            Revised 2/24/06
Completing the Installation
                                  1. Position the first trimmed edge along the chalk line.
                                  2. After positioning the second edge against the first, check the
  NOTE: If the edges don’t
  fit together properly or tuft      alignment. Both edges should lay flat and fit together to form a
  rows are slightly bowed, use       tight seam without compression.
  the trace cut method and        3. Once the seam edges fit correctly, weight or stay-nail the center
  re-cut to make the seam.           line of both carpets length-wise to prevent the carpet from
                                     shifting. Carefully fold back both breadths of carpet, being
                                     careful not to shift the carpet.
                                  4. Check the carpet at the seam for height variation and correct to
                                     a level appearance if necessary.
                                  5. Use a V-Notch Trowel 1/8” x 1/16” x 1/8” only and spread
                                     the adhesive uniformly over the cushion. Maintain proper notch
 NOTE: If you’re installing a
 Lees’ ActionBac carpet, you         size throughout the installation.
 must seal the seams. Only        6. Allow the WetSet to sit open for 15 – 20 minutes before putting
 Unibond has a lifetime              the carpet down.
 warranty against edge ravel      7. Press the carpet into the adhesive with a section of carpet tube
 with    no   seam    sealer         or a stiff bristle broom.
 required.                        8. Butt the seams tightly but do not peak them.
                                  9. Finish the seam by brushing it with a stiff hand brush and
                                     trimming any protrusions with napping shears. You do not have
                                     to edge seal (butter) the seams of Unibond carpets.


Installing UniPlus II on Stairs
                                  1. Use the Unibond WetSet adhesive to adhere the pad to the steps
                                     and the carpet to the pad.
                                  2. Use a 1/8 x 1/16 x 1/8 V-notch trowel for the adhesion of the
                                     pad to the stairs and the carpet to the pad.
                                  3. On heavy traffic areas, Lees recommends using a tackless strip
                                     in a traditional strip and pad manner along with the glue
                                     method. This allows the installer to stretch the stairs tight.
                                  4. Use the steamer to help make the carpet more pliable. The
                                     moist heat will help the carpet to bend around nosings, etc.
                                     When the carpet cools, it will hold that shape.


Carpet Protection
                                  •   Protect the installation from traffic for 24 hours (i.e.,
                                      foot traffic, furniture installation, rolling traffic, etc.).
                                  •   Protect the carpet edges with a vinyl or metal strip fastened
                                      securely to the floor.
                                  •   Plastic film or sheeting should not be used as carpet protection
                                      because it retards adhesive curing.
                                  •   If furniture will be rolled over the installation, use plywood or
                                      masonite sheets to protect the carpet.
                                  •   Use only DuraSafe 2007 Paint, Oil, Grease & Adhesive Remover
                                      to remove excess adhesive from the face of the carpet. Do not
                                      use chlorinated solvents to remove adhesive from the
                                      face fiber of Unibond carpets. They will dissolve the hot
                                      melt, which will release and wick to the carpet face.


                                        Uniplus II Installation – Page 6
                                               Revised 2/24/06

				
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