Historic Preservation - Technical Procedures
- Replacing A Cork Tile Floor
- Procedure code:
- HSR - Federal Bldg/P.O., Wash, D.C - Bldg Conservation Tech
- Resilient Tile Flooring
- Last Modified:
- Replacing A Cork Tile Floor
- Last Modified:
REPLACING A CORK TILE FLOOR
A. This procedure includes instructions for the removal of
glue-down carpeting or synthetic flooring and the
installation of a cork tile floor.
B. See 01100-07-S for general project guidelines to be
reviewed along with this procedure. These guidelines
cover the following sections:
1. Safety Precautions
2. Historic Structures Precautions
4. Quality Assurance
5. Delivery, Storage and Handling
6. Project/Site Conditions
7. Sequencing and Scheduling
8. General Protection (Surface and Surrounding)
These guidelines should be reviewed prior to performing
this procedure and should be followed, when applicable,
along with recommendations from the Regional Historic
Preservation Officer (RHPO).
A. Samples: Submit samples of each type of proposed
replacement tile to the Contracting Officer for approval
of size, color, finish and texture.
1.03 PROJECT/SITE CONDITIONS
A. Environmental Requirements: Prior to installation, the
new tile should be removed from boxes and allowed to
stand at room temperature for at least 72 hours. The
temperature should be between 60 degrees (F) and 85
degrees (F), with a relative humidity between 50% and 70%
Temperature should be maintained for at least 48 hours after
A. Vacuum daily to remove any loose dirt and grit. Floor
may be cleaned daily with a dry, treated dust mop or damp
mopped using a mild, non-ammoniated detergent. Avoid
abrasive and alkaline cleansers. DO NOT FLOOD FLOOR WITH
WATER. As necessary, use a liquid solvent wax.
A. Dodge Cork
C. Globus Cork
D. A.P.C. Cork
E. Amorin Flooring
F. Amorin Flooring
A. Natural cork tiles:
1. For new floors, finish may be natural, waxed, or
finished with a synthetic coating such as
polyurethane or given a factory finish.
2. New tiles may be "through -chip", with granules of
the same size throughout the depth of the tile, or
have a decorative cork veneer with a granular cork
3. For replacement tiles, new tile shall match
existing tiles in size, color, finish and texture.
B. Adhesive: Adhesive as specified by tile manufacturer.
3.01 ERECTION, INSTALLATION, APPLICATION
A. Remove all existing flooring and underlayment.
1. Scrape off all adhesive material to provide a dry,
clean and smooth surface.
2. To remove old glue and backing, carefully score
residue with knife.
3. Sponge (or mop--large areas only) solution of
commercial wallpaper remover onto surface and allow
to soak into adhesive until residue has softened
and can be removed with a putty knife. If adhesive
is water soluble, a wallpaper steamer may be used
to soften the adhesive.
B. Before installation, clean subfloor of all paint, varnish dirt, grease, oil, etc.Level surfaces to within 1/8" in 10'-0".
1. For wood subfloor:
a. Remove any paint or varnish with a chemical
b. Fill cracks and holes with plastic wood and
sand uneven edges.
c. Seams and nail holes may also be filled with
latex underlayment and the surface sanded
after the underlayment has cured.
d. Re-nail loose boards. Give surface a final
sanding to smooth out any rough areas.
2. For concrete subfloor: Patch any holes or
depressions with a Portland cement-based patching
compound mixed with a latex mixing liquid.
C. Install new tiles in accordance with the manufactu= rer's
latest printed instructions.
1. Mix flooring materials from various cartons to
diminish noticeable color and pattern variation and
to obtain uniform appearance.
2. Lay flooring beginning at center of room, working
towards perimeter.Cut border tiles to fit within
1/32" of abutting surfaces to allow for natural
expansion and contraction of tiles due to normal
changes in humidity.
3. Fit flooring material into breaks and recesses,
against bases, around pipes and penetrations, under
saddles or thresholds and around permanent cabinets
4. Apply adhesive with 1/16" by 1/16" by 1/16" notched
trowel to only that area which can be covered by
flooring material within the recommended working
time of the adhesive. Remove any adhesive which
dries or films over.
5. Press flooring in place by hand, achieving bond
with substrate. Cut tiles as required to fit
irregular spaces. After all the flooring is in
place, roll, in both directions, with a 100-lb
roller. Roll carefully so that floor does not
shift out of position.
6. Re-roll within one hour after installation. All
joints, edges and corners shall be level and flush.
7. Clean adhesive off of face of tiles as work
progresses. Dry adhesive can be removed with a
soft rag or cotton and mineral spirits.
8. Keep all traffic off of newly installed floor for
48 hours to allow adhesive to cure.
A. After adhesive has cured, damp mop floor with mild, non-
ammoniated detergent and clean, warm water, and rinse
with new clean, warm water. DAMP MOP ONLY, DO NOT WET
MOP OR DELAMINATION WILL RESULT.
B. Do not scrub or clean thoroughly until 4-5 days after
installation to allow adhesive to set properly.
C. If floor is to be waxed or given a polyurethane finish,
do so after the five days are up. Follow manufacturer's
D. Instruct maintenance personnel in maintenance procedures.
Furnish names of products used and sources.
END OF SECTION