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FLOOR PREPARATION

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					                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


General:                                               stacked to facilitate equalization of temperature
                                                       and to assure tiles lie flat.
FOLLOW ASTM F-710 “STANDARD PRACTICE
FOR PREPARING CONCRETE FLOORS TO                           Tiles should be loose-laid in the room and all
RECEIVE       RESILIENT  FLOORING”      THIS               fittings and cuttings made.         Corrective
INCLUDES DETERMINING MOISTURE AND pH                       adjustments are to be made at this time to
LEVELS OF THE CONCRETE AS SPECIFIED                        avoid color contrasting and to ensure that
IN:                                                        the overall appearance is to the desired
                                                           effect.
1. ASTM F 1869, Anhydrous Calcium
    Chloride.
                                                       A) Concrete Subfloors
2. ASTM F 2170, Relative Humidity (RH) using
                                                       General Conditions:
    in situ probes.
                                                       Concrete subfloors suitable for the installation of
3. ASTM F 710, determining pH levels, (test            American Biltrite flooring shall be dry, clean,
    procedure 5.3.1).                                  smooth, level, and structurally sound. They
                                                       should be free from old adhesive, dust, solvent,
Contact American Biltrite or their Distributors if     paint, wax, oil, grease, asphalt, sealing and
there are any questions regarding preparation of       curing      compounds       and     other   foreign
subfloor prior to installation of American Biltrite    substances.        Cracks, grooves and other
products. American Biltrite adhesive systems           irregularities shall be filled or leveled. Where
must be used to install American Biltrite flooring     filling or leveling is required, the use of a good
(see Adhesives Quick Check Chart).                     quality cementitious-based underlayment is
                                                       recommended. The use of underlayment,
Thorough inspection and preparation of                 leveling and patching compounds is no
subfloors will ensure a satisfactory installation.     guarantee against excess moisture (including
No resilient flooring installation should be started   hydrostatic pressure) or concrete deficiencies.
before the installer is completely familiar and
satisfied with the subfloor conditions. Serious        Such concrete subfloors shall be of a good
defects     should       always      be    reported    standard mix as recommended by the Portland
immediately to the responsible authority.              Cement Association, using clean sand and
                                                       crushed stone. A loose, sandy or scaly surface
Ensure that:                                           or evidence of a white, powdery surface is not
   Heating, ventilation and/or air conditioning        acceptable.
   (HVAC) in the installation area must be
   operative for a minimum of 48 hours prior to,       Do not install American Biltrite flooring over
   during and following the installation. The          gypsum-based patches or underlayments.
   room temperature, subfloor, tile, and               Consult the Adhesive Quick Check Chart for
   adhesive must also be maintained at a               approved and not approved sub-floor types.
   temperature of 21°C (70°F) for 48 hours             IMPORTANT       NOTICE:    THE      USE    OF
   prior to installation. A fluctuation of +/- 3°C     CHEMICAL ADHESIVE REMOVAL PRODUCT
   (5°F) within this range is acceptable.              MUST NOT BE USED. THE USE OF SUCH
   Tile and adhesive should be stored on the           ADHESIVE ABATEMENT SYSTEMS WILL
   job site 48 hours prior to installation, and tile   VOID THE AMERICAN BILTRITE (CANADA)
   removed from the cartons or pallet and back         LTD. ADHESIVE SYSTEM WARRANTY.




American Biltrite (Canada) Ltd                                                             July 11, 2008
Telephone:         1-800-479-0190                                                              Version 3
Fax:               1-800-810-5731                                                                Page 1
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


Excess Moisture:                                     pH Test:
American Biltrite does not guarantee any             New concrete floors or where moisture is
product performance against excess moisture          present may be susceptible to elevated pH
(including hydrostatic pressure) under any           levels due to excess alkaline salts.            All
circumstances.      The use of a permanent,          adhesives are subject to deterioration resulting
effective moisture barrier is recommended for all    in bond failure in the presence of alkaline
concrete floors in contact with the earth.           conditions. Conduct one pH test for every 93 sq
                                                     m (1,000 sq ft) throughout the area. Levels
New Concrete Subfloors:                              should be between 8 and 10 pH. If higher than
New concrete slabs shall be properly cured and       a 10 pH, neutralize the floor with one part of
meet moisture vapor emission requirements            muriatic acid and nine parts of water. Consult
before   installation  may      be     attempted.    the Portland Cement Association for guidelines.
Depending on atmospheric conditions, type of         For safety reasons, during this process the
concrete and/or possible excess water content,       use of rubber gloves, apron, boots and
such subfloors will require at least six plus        goggles is recommended. Make sure the
weeks drying time before they may be                 room is well ventilated. Flood the floor with the
considered ready for application of flooring.        neutralizing solution and allow it to remain at
                                                     least one hour before rinsing off with clear water.
Floors containing lightweight aggregate or           Be sure that all neutralizing solution is
excess water, and with steel or plastic pan          removed with rinsing water. Allow concrete to
construction may need a much longer drying           dry thoroughly. Re-test the floor for pH
time, and should not be covered with resilient       levels and repeat the neutralizing if
flooring unless dry.                                 necessary.

Some lightweight concrete has such low               Concrete curing agents, parting compounds,
strength that it is unsuitable for resilient tile    surface hardeners and the like should not be
unless 25 mm (1”) or more of regular concrete is     used on the subfloor unless the manufacturers
used as a topping. This topping layer should be      of such agents, compounds and hardeners
installed as per the recommendations outlined        guarantee that these materials will not affect the
by the Portland Cement Association.                  bond of the adhesive to the concrete. If such
                                                     materials have been used without the
Since dampness must always be suspected, the         manufacturers’ guarantee, they must be
use of an anhydrous calcium chloride moisture        removed before American Biltrite flooring is
test unit is required to check subfloor moisture     installed. Such agents, in many cases, form a
when installing American Biltrite flooring (as per   surface film of oil, wax or resins that obstruct the
ASTM F 1869) or the use of a Relative Humidity
                                                     bond between the concrete and the adhesive. It
(RH) in situ probes (ASTM F2170). Directions
                                                     is the responsibility of the flooring
for the use of these units are shown in this
                                                     contractor to determine whether or not the
section. It is the responsibility of the flooring
                                                     concrete is in suitable condition for
contractor to determine whether or not the           covering.
concrete is sufficiently dry for covering.
Record all moisture test results into the
                                                     Note: Special attention should be paid to some
project log.     Results of the test must be
                                                     of the variations of normal suspended concrete
made available upon request to American
                                                     floors. Low-density concrete is unsuitable as an
Biltrite.


American Biltrite (Canada) Ltd                                                           July 11, 2008
Telephone:         1-800-479-0190                                                            Version 3
Fax:               1-800-810-5731                                                              Page 2
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


underlayment for resilient flooring. Concrete          addressed to the task of removing all
poured in metal or plastic pans is troublesome         resilient floor covering structures.
due to the lengthy curing and drying time
required. Also, when low-density concrete of           Radiant Heated Subfloors:
lightweight aggregate type is combined with            The requirements that apply to suspended or on
pour-in-pan construction, additional care must         grade concrete floors should be observed with
be taken before the resilient flooring is installed.   radiant heating systems.         American Biltrite
In any pan construction site moisture tests must       flooring may be installed provided the maximum
be made to ensure that the moisture levels are         temperature of 32°C (90°F) is not exceeded
within limits.                                         under any condition of use. If radiant heated
                                                       floors have been allowed to cool after
Existing Concrete Subfloors:                           installation, it is possible that moisture will be
For best results, old concrete floors should be        absorbed in the concrete subfloor. It is therefore
prepared to conform as closely as possible to          recommended that the floor temperature be
new concrete floors. Cracks, uneven and rough          increased gradually to prevent the adhesive
areas require the application of a good quality        bond from being adversely affected by the
cementitious-based underlayment to level.              resulting moisture and temperature changes.
Conduct the appropriate moisture and pH tests.
                                                       Note:      when installing Marathon Rubber
The subfloor must be firm and free from old            Flooring, keep in mind that rubber is a natural
adhesive, moisture, dust, solvent, paint, wax, oil,    insulator and will effectively act as a heat barrier.
grease, asphalt, sealing compounds.
                                                       Suspended Concrete Flooring:
Caution:                                               Suspended concrete subfloors, whether old or
Warning – Do not sand, dry sweep, dry                  new, must comply with all of the general
scrape, drill, saw, beadblast, or mechanically         conditions as previously listed in this section for
chip or pulverize existing resilient flooring,         concrete subfloors.
backing, lining felt, paint, asphaltic cutback
adhesives, or other adhesives.           These         Note: on suspended slabs exposed to exterior
products may contain asbestos fibers or                elements (i.e. variations in temperature and / or
crystalline silica.     Avoid creating dust.           humidity) adhesion of the American Biltrite
Inhalation of such dust is a cancer and                flooring to the suspended subfloor may be
respiratory tract hazard.        Smoking by            affected.
individuals exposed to asbestos fibers
greatly increases the risk of serious bodily           On Or Below Grade Concrete Subfloors:
harm. Unless positively certain that the               Concrete slabs in contact with the earth at any
product     is   a    non-asbestos-containing          point or those that do not have at least 460 mm
material, presume that it contains asbestos.           (18”) of cross-ventilated air space underneath
Regulations may require that material be               require special attention.        Unless such
tested to determine asbestos content. The              construction    incorporates   a     continuously
Resilient Floor Covering Institute’s (RFCI’s)          effective, permanent barrier bonding failures
recommended work practices for removal of              may result from excess moisture.
existing resilient floor coverings should be
consulted for a defined set of instructions



American Biltrite (Canada) Ltd                                                              July 11, 2008
Telephone:         1-800-479-0190                                                               Version 3
Fax:               1-800-810-5731                                                                 Page 3
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


The effectiveness of the moisture barrier shall        2)   Refer to the latest ASTM F 1869 and ASTM
be such that the moisture levels will not increase          F 2170 for specific testing and safety
at any future date after original acceptance test.          procedures and guidelines.

CONDUCTING MOISTURE TESTS                              B) Wood Subfloors
The subfloor shall be tested using either of           General Conditions:
the two (2) tests outlined below:                      American Biltrite does not recommend the
                                                       use of any of their products on wood floors
ASTM F 1869 - Standard Test Method for                 other than plywood of a minimum thickness
Measuring Moisture Vapor Emission Rate of              of 6.35 mm (1/4”). The plywood used must be
Concrete Subfloor Using Anhydrous Calcium              of construction grade.
Chloride.
Purpose: this test is designed to measure              The wood subfloor must be dry, smooth, free of
quantitatively the moisture emission of a              vertical movement, horizontal expansion, old
concrete slab. Areas should be tested as               adhesive, moisture, paint, oil, dirt, greases and
follows: conduct three (3) tests for the first 93 sq   waxes.
m (1,000 sq ft), then one test for every additional    Install the plywood with cross-joints staggered at
93 sq m (1,000 sq ft) as outlined in the most          least 406 mm (16”) apart. Fasten to subfloor
current edition of ASTM F 1869. Maximum                using angular (ring-grooved) or screw nails that
allowable reading shall be 3 lbs per 93 sq m           will penetrate 31.75 mm (1-1/4”) into the
(1,000 sq ft). Refer to “Adhesive Quick Check          subfloor. These fasteners are to be spaced
Chart” for adhesive specific maximum allowable         152.4 mm (6”) throughout the board and spaced
levels.                                                76.2 mm (3”) apart along the edges. Fasten the
                                                       center of the board first and work out towards
ASTM F 2170 – Standard Test Method for                 the edges to eliminate any irregularity. Do not fit
Determining Relative Humidity in Concrete              the underlayment too snugly but leave space
Floor Slabs Using in situ Probes.                      between the boards equal to the thickness of a
Purpose: this test is designed to measure              dime. Fasteners are to be driven no more than
quantitatively the percentage of relative humidity     1.6 mm (1/16”) below the surface of the wood.
in a concrete slab. Areas should be tested as          Lightly sand any surface roughness, particularly
follows: conduct three (3) tests for the first 93 sq   at joints and around nails.
m (1,000 sq ft), then one test for every additional
93 sq m (1,000 sq ft) as outlined in the most          American Biltrite does not approve the use
current edition of ASTM F 2170. Maximum                of particleboard, flake board, wafer board or
allowable reading shall be 75% RH per 93 sq m          chipboard underlayments for use with
(1,000 sq ft).                                         American Biltrite flooring.         Presently
                                                       available products of these types of
Note:                                                  underlayment vary widely in quality and
1) The above are abridged instructions,                performance.
    complete instructions are packed with each
    unit and testing procedures may vary from          Certain particleboards are suitable for use as
    supplier to supplier of these test kits.           underlayment, but a guarantee to this effect
    Follow the supplier’s instructions carefully       should be provided by the particleboard
    when conducting the test.                          manufacturer.


American Biltrite (Canada) Ltd                                                             July 11, 2008
Telephone:         1-800-479-0190                                                              Version 3
Fax:               1-800-810-5731                                                                Page 4
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


Any leveling or patching of wood subfloors          C) Terrazzo, Ceramic, Natural/Agglomerated
must be done using a Portland based                     Marble or Granite:
cementitious compound.                              Caution!!! When installing over terrazzo,
                                                    ceramic, natural/agglomerated marble or
Open Wood Joists:                                   granite, these types of floors are non-porous
Install 15.87 mm (5/8”) plywood for 406 mm          and require special attention.
(16”) or less joist spacing and 19 mm (¾”)
plywood for joist spacing up to 609.6 mm (24”)      The problem created with this type of flooring is
directly to the open wood joists. Blocking is       due to the glazed and polished surface finish. In
required under plywood along the edges              many cases the floor is treated with sealers and
perpendicular to the joists.                        waxes as well, which can build up on the
                                                    surface. Remove glaze, polished finish, sealers
Fasten to the joists with angular (ring-grooved)    and waxes by sanding or by bead blasting.
or screw nails that will penetrate 31.75 mm (1-         Ensure that the surface is free of dirt, dust,
1/4” ) into the joists. Nail at 76.2 mm (3”)            debris or any other deleterious substances
intervals along all edges and at 152.4 mm ( 6”)         that will prevent bonding.
intervals over the joists.
                                                        Using an Ardex or equivalent Portland
                                                        cement based underlayment follow the
“2-4-1” Installation:
                                                        manufacturers       recommendations        for
The “2-4-1” tongue and groove plywood which is          subfloor preparation and priming.
28.57 mm (1-1/8”) thick requires no blocking or
bridging when properly installed over open wood     D) Metal Subfloors: Abrade the metal
joists spaced 1219 mm (48”) or less. Use 63.5          (aluminum, steel, brass, copper and bronze)
mm (2-1/2”) ring grooved nails or screw type           by sanding to create a scarified surface
nails spaced 76.2 mm (3”) on center at all             finish to ensure that a good adhesive bond
bearings.    This plywood is a combination             can be obtained.
underfloor and underlayment plywood panel.
                                                    E) Preparation of Floors with Existing
Note: The above thickness of underlayment               Resilient Flooring:
grades of “2-4-1” plywood applies to Douglas fir
                                                    American Biltrite will not accept any
plywood. If softwood plywoods are used, the
                                                    responsibility for installation over existing
next heavier thickness should be installed.
                                                    resilient floor coverings.          It is our
                                                    recommendation that all existing resilient
Wood Subfloors Over Crawl Space:
                                                    material be thoroughly removed prior to
Where wood subfloors are located over a crawl       installing American Biltrite flooring.
space, the crawl space must have at least 460
mm (18”) of cross-ventilated air space between      American Biltrite flooring cannot be installed
the earth and the floor joists.                     over:
                                                       Embossed, cushioned sheet vinyl, textured,
Heavy asphalt saturated felt paper or
                                                       urethane coated and foam containing floors
polyethylene film laid on the ground is effective
                                                       are NOT suitable for the installation
in controlling high humidity due to the escaping
                                                       American Biltrite flooring over them. All
ground moisture if cross ventilation is provided.
                                                       such flooring products must be:



American Biltrite (Canada) Ltd                                                         July 11, 2008
Telephone:         1-800-479-0190                                                          Version 3
Fax:               1-800-810-5731                                                            Page 5
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


a) covered only with approved underlayment            CAUTION: always use good health and safety
    (suspended wood subfloors only), prior to         precautions.
    installation, or
b) completely removed including old adhesive          Resilient Tiles Floor Covering Removal:
                                                      When removing tiles, every attempt should be
However, if installation over existing flooring       made to accomplish the removal with minimum
is required, follow these guidelines:                 breakage. Wet the tiles with a water and soap
American Biltrite flooring may be installed           solution to reduce dust buildup. Remove the tile
directly over smooth surface resilient floors that    as a complete unit. Start the removal by
are in good condition, uniformly and completely       carefully wedging a heavy-duty wall scraper in
bonded and which have been properly installed         the seam of two adjoining tiles and gradually
over subfloors of approved construction.              forcing the edge of one of the tiles up from the
American Biltrite recommends that a test patch        floor. Do NOT break off small pieces of the tile,
be conducted prior to installation.                   but continue to force the balance of the tile up
                                                      with the scraper. If the tile is so well adhered
Note: when installing tile over tile ensure that
                                                      that it constantly breaks, it will be necessary to
seams are offset.
                                                      use a commercial hot air blower to heat the tile
                                                      sufficiently to warm and soften the adhesive
Floor Preparation:
                                                      holding the tile to the floor.
Make certain all wax and other floor finishes are
completely removed by a thorough stripping            Note: Use care in handling the hot air blower to
operation. Open seams or indentations must be         avoid burns!
repaired using a cementitious Portland based
patching compound prior to installation.              After the tile has been removed from the floor,
                                                      place it in a heavy-duty plastic bag for disposal.
Note: some old floor coverings may contain            Do not break it into smaller pieces for
asbestos. See section “Disposal Guidelines for        placing into the bag! After removal of the first
Asbestos Containing Materials” for instructions       tile, the accessibility of the other tiles is
on the removal and disposal of asbestos               improved. Use a commercial tile remover or
containing materials.                                 continue with a scraper. Place the scraper
                                                      under the exposed edge of a tile while holding
Disposal guidelines for asbestos containing           the handle at a 20°-25° angle to the floor. Strike
materials: various environmental agencies             the handle with a hammer, using blows of
have regulations concerning the removal and           moderate force - to force the scraper under the
disposal of asbestos containing materials             tile. Force the tile away from the floor. In those
and override those guidelines enclosed                areas where the tile is tightly adhered and the
herein.                                               tile constantly breaks, it will be necessary to use
                                                      the hot air blower. Place all tiles in the heavy-
Commercial projects and contractors that              duty plastic bag without breaking them, as noted
contemplate the removal and disposal of a             earlier.
resilient floor covering that contains asbestos,
must obtain a special permit to dispose of such       Wet down the remaining adhesive then scrape
asbestos containing materials - check with your       up the adhesive until only a thin smooth film
local authorities to see if such regulations apply.   remains. Deposit the scrapings in the plastic
                                                      bag(s) with the previously removed tiles.


American Biltrite (Canada) Ltd                                                            July 11, 2008
Telephone:         1-800-479-0190                                                             Version 3
Fax:               1-800-810-5731                                                               Page 6
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


When all of the tiles and adhesive scrapings             floor has been cleaned of felt, allow it to dry and
have been removed from the floor and placed in           vacuum up any remaining dirt. Position the
heavy-duty bags, seal the bags securely for              vacuum cleaner so that the discharge does not
disposal.                                                blow on the uncleaned portions of the floor.
                                                         Carefully remove the dust bag and place it in a
Sheet Vinyl Floor Coverings - Removal:                   heavy-duty plastic trash bag and seal. Wash
a) Unadhered (loose-lay) or perimeter                    hands thoroughly!
adhered: remove any moldings or binding strips
from walls or doorways that may be holding the           b) Adhered: remove any moldings or binding
goods in place. Using a sharp utility knife cut a        strips from wall doorways, etc. With a sharp
strip about 460 mm (18”) wide along one wall             utility knife, make a series of parallel cuts 100 –
and the entire length of the room. Gently turn           152 mm (6” - 8”) apart, parallel to wall. Cuts
the cut strip over and tightly roll it face out into a   should be made through the entire thickness of
tight roll. Tie or tape it securely so it will not       the flooring to the subfloor and along the entire
unroll. Place it in a heavy-duty plastic bag.            length of the room. Starting at one end of the
Clean the exposed floor with a vacuum cleaner            room, pry up the corner of the first strip,
fitted with a suitable filter, positioning it so that    separating the wear layer and as much of the
the exhaust air does not blow over the                   felt backing as possible from the floor. Fold the
uncleaned area. Do not dry sweep!                        top layer back over itself slowly and evenly at an
                                                         angle (15°-30°) that permits the best separation
Repeat the procedure of cutting, removing,               from the floor. After the entire strip has been
rolling, roll disposal, and vacuuming one strip at       removed, gently lay it on the floor and turn it
a time until all of the floor covering has been          over. Roll the strip face out in a tight roll and tie
removed and the floor cleaned. If any areas              or tape it securely. Place the roll in heavy-duty
have been held in position with double faced             plastic bag for disposal.
tape remove the tape and dispose of it in the
plastic bag.                                             Repeat the above procedure on the next two or
                                                         three strips. Do not remove more than four
If any areas have been secured in position with          strips at a time before proceeding to remove the
adhesive that remains adhered to the floor, the          felt remaining on the floor by wet scraping to the
felt and adhesive must be removed by wet                 procedure detailed previously. Do not proceed
scraping - do not dry scrape, always wet                 further until the wet scraping has been
scrape.                                                  completed. Remove the scrapings and dispose
                                                         of them as recommended previously.
Wet scrape as follows: prepare a solution of
28 ml (1 ounce) of liquid dishwashing detergent          Repeat the procedure on the next three to four
in 4 liters (1 gallon) of water. Thoroughly wet          strips.    Continue with the strip removal
the residual felt/adhesive areas with the                procedure until the entire floor has been cleared
detergent solution. Wait a few minutes to allow          of the floor covering. Always work from the
this solution to soak into the felt. Standing in the     remaining floor covering or cleaned areas - not
cleaned areas use a heavy-duty wall scraper to           on the exposed felt. Close full plastic bags and
scrape up the wet felt. Pick up the scrapings            seal securely.
and place in the plastic bag with the rolls of
removed floor covering. When finished, close
bags tightly and seal for disposal. When the


American Biltrite (Canada) Ltd                                                                July 11, 2008
Telephone:         1-800-479-0190                                                                 Version 3
Fax:               1-800-810-5731                                                                   Page 7
E-Mail:            flooring@american-biltrite.com
                                 FLOOR PREPARATION
         To be followed for ALL American Biltrite Flooring Products


When the entire floor has been cleaned of felt,
allow it to dry and vacuum up any remaining dirt.
Position the vacuum cleaner so that the
discharge air does not blow on the uncleaned
portions of the floor. Carefully remove the dust
bag from the cleaner. Place it in a heavy-duty
plastic trash bag and seal.        Wash hands
thoroughly!

When the floor is dry, it is ready for the
installation of the new American Biltrite flooring.




American Biltrite (Canada) Ltd                                 July 11, 2008
Telephone:         1-800-479-0190                                  Version 3
Fax:               1-800-810-5731                                    Page 8
E-Mail:            flooring@american-biltrite.com