1.01 SUMMARY
A. This is the
recommended specification for installing carpet and resilient flooring
to receive the Ardex/Henry SystemOne 10-year warranty.
1.02 SECTION
INCLUDES
A. ARDEX K-15 Self-Leveling Underlayment Concrete
B. ARDEX SD-P InstantPatch Self-Drying, Fast-Setting Concrete Underlayment
Patch
C. ARDEX SD-F Feather Finish Self-Drying, Cement-Based Finishing
Underlayment
D. ARDEX P-51 Primer
E. ARDEX P-82 Ultra Prime
F. ARDEX E-25 Resilient Emulsion
G. HENRY 630 PeachPro™ Pressure
Sensitive Flooring Adhesive
H. HENRY 356 MutiPro™ Premium
Multipurpose Flooring Adhesive
I. HENRY 422
Premium Vinyl-Backed Flooring Adhesive
J. HENRY 430 ClearPro™ Clear
Thin Spread Floor Tile Adhesive
K. HENRY 530 TilePro™ Performance Plus “Fast Tack” Tile
Adhesive
L. HENRY 451 MasterPro™ High-Performance
Wet-Set Carpet Adhesive
M. HENRY 351 FastPro™ Fast
Grab Carpet Adhesive
N. HENRY 482 Premium Linoleum Adhesive
O. HENRY 248 SeamPro™ Seam
Adhesive
P. HENRY GreenLine GL 23 High Performance Multipurpose Flooring
Adhesive
Q. HENRY GreenLine GL 33 High Performance VCT Adhesive
R. HENRY GreenLine GL 62 High Performance Carpet Adhesive
1.03 QUALITY
ASSURANCE
A. Installation of the Ardex underlayment and Henry adhesive must
be by an installation professional using equipment and tools approved
by the manufacturer.
B. Manufacturer of the underlayment and adhesive shall provide individual
product specification sheets and technical data to include installation
instructions for each of the products used in the SystemOne flooring
installation.
1.04 DELIVERY,
STORAGE AND HANDLING
A. Deliver materials
in their unopened packages. Recommended storage temperature is
below 90°F. Protect powders from moisture. Protect liquids
from freezing.
1.05 SITE CONDITIONS
A. Ardex underlayments
are cementitious materials. Observe the basic rules of concrete
work. Do not install below 50°F surface temperature.
Install quickly if floor is warm and follow hot weather precautions
available from the Ardex Technical Service Department. Never mix
with cement or additives other than Ardex-approved products.
B. All Henry adhesives
shall be installed in areas where the substrate, adhesive, and
floor covering have been acclimated to 65°F or
above for 48 hours before, during and after the installation or longer
if recommended by the specific flooring manufacturer.
PART
2 - PRODUCTS
2.01 MATERIALS
A. The Portland cement-based self-leveling underlayment shall be
ARDEX K-15 Self-Leveling Underlayment Concrete.
B. The Portland cement-based self-drying trowel grade underlayment
for flash patching and skim coating shall be ARDEX SD-F Feather Finish.
C. The Portland cement-based self-drying trowel grade underlayment
for repairing substrates and ramping shall be ARDEX SD-P InstantPatch.
D. Primer for standard absorbent concrete shall be ARDEX P-51 Primer.
E. Primer for non-porous subfloors, cutback and other adhesive residues,
metal, and wood subfloors shall be ARDEX P-82 Ultra Prime.
F. The additive to be mixed with ARDEX K-15 when used over cutback
adhesive, metal, or wood subfloors shall be ARDEX E-25 Resilient
Emulsion.
G. Aggregate shall be
well graded, washed gravel (1/8" to 1/4" or
larger) for use when underlayment is installed over 1 1/2" thick.
H. Water shall be clean,
potable, and sufficiently cool (not warmer than 70°F).
I. Adhesive for VCT shall be HENRY 430 ClearPro, HENRY 530 TilePro,
or HENRY GreenLine GL 33.
J. Adhesive for asphalt tile shall be HENRY 430 ClearPro or HENRY
530 TilePro
K. Adhesive for carpet tile shall be HENRY 630 PeachPro.
L. Adhesive for
vinyl-backed carpet tile shall be HENRY 630 PeachPro or HENRY 422
Premium Vinyl-Backed Flooring Adhesive.
M. Adhesive for commercial and residential felt-backed sheet flooring
and indoor/outdoor carpet (indoor installations only) shall be HENRY
356 MultiPro or HENRY GreenLine GL 23.
N. Adhesive for
solid vinyl tile, strip or plank, homogeneous and vinyl-backed
sheet, and vinyl-backed carpet \ shall be HENRY 422
Premium Vinyl-Backed Flooring Adhesive.
O. Adhesive for sealing carpet seams shall be HENRY 248 SeamPro.
P. Adhesive for linoleum sheet flooring shall be HENRY 482 Premium
Linoleum Adhesive or HENRY 356 MultiPro.
Q. Adhesive for linoleum tile shall be HENRY 482 Premium Linoleum
Adhesive.
R. Adhesive for cork sheet flooring shall be HENRY 356 MultiPro.
S. Adhesive for jute-backed, ActionBac, urethane foam-backed, non-backed
needle punched, and latex foam rubber-backed carpet shall be HENRY
356 MultiPro, HENRY 351 FastPro, HENRY 451 MasterPro, HENRY GreenLine
GL 23, and HENRY GreenLine GL 62.
T. Adhesive for unitary and unitary ActionBac carpet shall be HENRY
351 FastPro, HENRY 451 MasterPro, HENRY GreenLine GL 23, and HENRY
GreenLine GL 62.
U. Adhesive for hot melt, woven, and urethane laminate carpet shall
be HENRY 451 MasterPro, HENRY GreenLine GL 23, and HENRY GreenLine
GL 62.
2.02 MIX DESIGNS
A. ARDEX K-15
1. Standard mixing ratio: ARDEX K-15 is mixed in
2-bag batches at one time. Mix each bag of ARDEX K-15 (55 lb.)
with 7 quarts of water.
Product shall be mixed in an ARDEX T-10 Mixing Drum using an ARDEX
T-1 Mixing Paddle and a 1/2" heavy-duty drill (min. 650 rpm).
Mix thoroughly for approximately 2-3 minutes to obtain a lump-free
mixture. Follow written instructions per the ARDEX K-15 bag label.
2. Resilient mix for applications over cutback and non-water soluble
adhesive residues, wood, and metal: Use 6 qt. of water and 2 qt.
of ARDEX E-25 Resilient Emulsion for each bag of ARDEX K-15.
3. Aggregate mix: For areas to be installed over
1 1/2" thick,
adding aggregate will reduce material costs. Mix ARDEX K-15 with
water first, then add from 1/3 up to 1 part by volume of aggregate
(1/8" to 1/4" or larger). Do not use sand. Allow this layer
to dry overnight and then prime this surface with ARDEX P-51 Primer
and install a neat coat of ARDEX K-15 to obtain a smooth surface.
4. For pump installations, ARDEX K-15 shall be mixed using the ARDEX
Levelcraft Automatic Mixing Pump. Start the pump at 210 gallons of
water per hour, and then adjust to the minimum water reading that
still allows self-leveling properties. DO NOT OVERWATER! Check the
consistency of the product on the floor to ensure a uniform distribution
of the sand aggregate at both the top surface and bottom of the pour.
If settling is occurring, reduce the water amount and recheck. Conditions
during the installation, such as variations in water, powder, substrate,
and ambient temperature, require that the water setting be monitored
and adjusted carefully to avoid over watering.
B. ARDEX SD-P
1. Mix 1 bag of ARDEX
SD-P (40 lbs.) with 4 quarts of water. Product can be mixed in
a clean 5-gallon pail using ARDEX T-2 Mixing Paddle
and a ½” heavy-duty drill (min. 650 rpm). Mix thoroughly
for approximately 2-3 minutes to obtain a lump-free mixture. Follow
written installation instructions per ARDEX SD-P bag label.
C. ARDEX SD-F
1. The recommended mixing ratio is 2 parts powder to 1 part water
by volume. Mix the ARDEX SD-F powder with water to the desired trowelable
consistency using a margin trowel or an ARDEX T-2 paddle and drill.
D. No modifications
shall ever be made to Henry adhesives.
3.01 PREPARATION
A. All subfloors
must be sound, solid, cleaned, and primed. Gypsum, latex patches,
asphalt, coal tar, and lightweight insulating concrete are not suitable
substrates to receive these Ardex underlayments under this specification.
1. All concrete subfloors must be of adequate strength, clean, and
free of all oil, grease, dirt, curing compounds and any substance
that might act as a bondbreaker before priming. Mechanically clean
if necessary using shot blasting or other method. Acid etching and
the use of sweeping compounds and solvents are not acceptable.
2. Wood subfloors must be clean and free of all foreign matter.
Sand to bare wood then vacuum to remove all dust. Re-nail any loose
boards exhibiting movement.
3. Metal subfloors must be clean and free of all rust and foreign
matter. Where required, a corrosive resistant coating should be applied
and allowed to dry before priming.
4. Cutback and other non-water soluble adhesive residues must be
wet scraped to a thin, well-bonded layer.
5. Non-porous subfloors such as ceramic and quarry tile as well
as terrazzo should be clean and free of all waxes and sealers. If
necessary, have the surface professionally cleaned.
6. All cracks in the subfloor shall be repaired to minimize telegraphing
through the underlayment.
7. Substrates shall be inspected and corrected for moisture or
any other conditions that could affect performance prior to installing
the underlayment or the finished floor covering.
B. JOINT PREPARATION
1. Moving Joints – honor
all expansion and isolation joints up through the underlayment.
2. Saw Cuts and Control
Joints – fill all non-moving joints
with ARDEX SD-F Feather Finish or ARDEX SD-P InstantPatch as required.
C. PRIMING
1. Primer for applications of ARDEX K-15 over standard absorbent
concrete subfloors: Mix ARDEX P-51 1:1 with water and apply evenly
with a soft push broom. Do not leave any bare spots. Remove all puddles
and excess primer. Allow to dry to a clear, thin film (min. 3 hours,
max. 24 hours). Underlayment shall not be applied until the primer
is dry. Primer coverage is approximately 400 to 600 sq. ft. per gallon.
2. Primer for applications of ARDEX K-15 over extremely absorbent
concrete subfloors: Make an initial application of ARDEX P-51 mixed
with 3 parts water using a soft push broom. Do not leave any bare
spots. Remove all puddles and excess primer. Allow to dry thoroughly
before proceeding with the standard application of primer as described
above for standard absorbent concrete.
3. Primer for applications of ARDEX SD-P over non-porous subfloors,
and for applications of ARDEX K-15 over wooden or metal subfloors,
or cutback and other non-water soluble adhesive residues over concrete:
Prime with ARDEX P-82 Ultra Prime. Mix Part A (red) with Part B
(white) and apply with a short-nap or sponge paint roller, leaving
a thin coat of primer no heavier than a thin coat of paint. Do
not leave any bare spots. Remove all puddles and excess primer.
Allow to dry to a clear, slightly tack film (minimum 3 hours, maximum
24 hours). Underlayment shall not be installed until primer is
dry. Primer coverage is approximately 200 to 400 square feet per
gallon.
4. Minimum drying time for ARDEX P-82 Ultra-Prime over cutback adhesive
is 18 hours.
5. No primer is required prior to installing ARDEX SD-P over standard
absorbent concrete or for any recommended application of ARDEX SD-F
Feather Finish.
A. INSTALLATION
1. Wood subfloors require the use of the mesh-reinforced ARDEX K-15
+ E-25 Underlayment System. After priming, install 3.4 galvanized
diamond metal lath by stapling to the wooden subfloor approximately
every 6 inches on center.
2. Steel subfloors require that the substrate first be primed with
an anti-corrosive paint. After thorough drying of the paint, prime
this surface with ARDEX P-82 Ultra Prime.
3. Pour or pump the liquid
ARDEX K-15 and spread in place with the ARDEX T-4 Spreader. Use
the ARDEX T-5 Smoother for featheredge and
touch-up. Wear baseball shoes with non-metallic cleats to avoid leaving
marks in the liquid ARDEX K-15. Underlayment can be walked on in
2-3 hours at 70° F.
B. DRYING TIME
1. ARDEX K-15
can accept finish floor covering materials after 16 hours at 70°F
and 50% relative humidity.
3.03 APPLICATION OF ARDEX SD-P
A. INSTALLATION
1. Non-porous subfloors require that the substrate first be primed
with ARDEX P-82 Ultra Prime and allowed to dry thoroughly prior to
installing the ARDEX SD-P.
2. Underlayment shall be installed using a wood or magnesium float.
When underlayment begins to harden, finish with a steel trowel.
B. DRYING TIME
1. When the ARDEX SD-P can be worked on without adversely affecting
the surface, proceed with the installation of floor covering. The
surface of the ARDEX SD-P does not have to be dry to receive ceramic
tile, carpet, or vinyl floor coverings. It only needs to be hard
enough to permit application of the adhesive with a notched trowel
without marking the surface. Typical times range from 45 minutes
to 1 hour depending upon ambient conditions.
2. All other floor coverings require a minimum of
16 hours of drying time at 70°F and 50% relative humidity.
3.04 APPLICATION OF ARDEX SD-F
A. INSTALLATION
1. No priming
is required on all standard substrates as listed in the technical
brochure. Non-standard substrates such as epoxy floor covering
shall first be primed with ARDEX P-82 Ultra Prime and allowed to
dry thoroughly prior to installing the ARDEX SD-F.
2. Underlayment
shall be installed using a steel trowel.
B. DRYING TIME
1. When the
underlayment can be worked on without adversely affecting the surface,
proceed with the installation of floor covering. The surface of
the ARDEX SD-F does not have to be dry to receive ceramic tile,
carpet, or vinyl floor coverings. It only needs to be hard enough
to permit application of the adhesive with a notched trowel without
marking the surface. Typical times range from 15 minutes to 1 hour
depending upon ambient conditions.
2. All other
floor coverings require a minimum of 16 hours of drying time at
70°F and 50% relative humidity.
3.05 PREPARATION
FOR FLOORING INSTALLATION
A. Underlayment can accept finish floor covering materials after
drying times specified above.
B. The surface of the
underlayment shall be checked to ensure that it meets the flooring
manufacturer’s specifications for flatness,
and that it is free of surface blemishes that would affect the flooring
before beginning the flooring installation. Areas out of tolerance
shall be repaired using the appropriate Ardex underlayment as required.
C. Due to the wide range of adhesives that are used to install floor
coverings, some adhesives may dry more quickly over cementitious
underlayments than over other substrates. If this condition occurs,
priming the surface of the underlayment with HENRY 336 will even
out the drying of the adhesive. Allow the primer to dry 1-3 hours
before proceeding with the adhesive installation.
D. Install the adhesive
in strict accordance with the written instructions provided in
the HENRY Adhesive Product Specification Sheet and in
general accordance with the flooring manufacturer’s written
recommendations. Installation shall proceed under the guidelines
for use of the product over absorbent concrete and for the specific
floor covering to be installed to include proper trowel notch size,
open times, procedures for rolling the flooring where applicable,
and how long before the flooring can be cleaned or put into full
service.
3.06 FIELD
QUALITY CONTROL
A. Where specified, field sampling of the Ardex underlayments is
to be done by taking an entire unopened bag of the product being
installed to an independent testing facility to perform compressive
strength testing in accordance with ASTM C 109/modified: air-cure
only. There are no in situ test procedures for the evaluation of
compressive strength.
B. Where specified, field sampling of the adhesive shall consist
of taking an unopened container of the adhesive to an independent
testing laboratory, and testing in strict accordance with the procedures
and methods as detailed by the manufacturer.
3.07 PROTECTION
A. Prior to the installation of the finish flooring, the surface
of the underlayment should be protected from abuse by other trades
by the use of plywood, Masonite or other suitable protection course.
B. Protect the finish flooring in accordance with the recommendations
of the adhesive manufacturer and the specific directives of the floor
covering manufacturer.