SikaTop 123 Plus Application Instructions · ruction Sika Corporation SikaTop 223 Plus...
Transcript of SikaTop 123 Plus Application Instructions · ruction Sika Corporation SikaTop 223 Plus...
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SikaTop 123 Plus
Application
Instructions
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SikaTop 223 Plus
Two-component, polymer-modified,
portland cement based.
Fast-setting, non-sag mortar.
High performance repair mortar for
vertical and overhead surfaces.
Offers the additional benefit of FerroGard
901- A penetrating corrosion inhibitor.
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SikaTop 123 Plus
Where to use:
• On grade, above, and below grade on concrete and mortar.
• On vertical and overhead surfaces.
• As a structural repair material for: – Parking structures
– Industrial plants
– Water/waste water treatment facilities
– Roads, walkways, bridges, tunnels, dams, ramps, etc.
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SikaTop 123 Plus
Packaging: • “A” Comp: 1 gal
Jug of Dispersion.
• “B” Comp: 44 lb Multi-wall bag.
Coverage: • .39 cu. ft / unit.
• 674 cu. inches per unit.
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Surface Preparation
Cementitious Substrates: • Should be clean and sound.
• Remove contaminations and bond
inhibiting materials from repaired
area.
• Obtain exposed/fractured aggregate
surface ~1/16 to 1/8 inch profile
(ICRI CSP 5 & above).
• Substrate must be saturated surface
dry (SSD) with no standing water.
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Surface Preparation
Cementitious Substrates:
• Surface should be
cleaned and
roughened to
create a profile.
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Surface Preparation
Saw cut around perimeter of repair area to achieve a minimum 3/8” shoulder.
Eliminates feathered edges giving a clean repair transition
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Surface Preparation
Steel: • Remove all corrosion and
contaminants from exposed steel.
• Surface should be cleaned thoroughly by blast cleaning or mechanical means.
• Exposed steel should be cleaned to white steel.
• If half of the diameter is exposed, chip behind bar, ½” minimum for mortar only.
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Steel Preparation
Steel should be cleaned to a bright
metal finish.
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Tools Required
½” Drill Motor.
Low speed drill
400-600 rpm.
Large mixing paddle
Margin trowel
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Mixing
Pour “A” Component
into clean pail.
Leave approximately
1” of “A” Component
in jug.
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Mixing
Add “B” Component
to pail with “A”
already inside, while
mixing continuously.
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Mixing
1. Dispersion ¾ -1 gallon of
dispersion/Bag.
2. Start with adding liquid to
the mixing container.
3. Slowly add powder.
4. Once all the powder is
added mix for 3 minutes.
5. Do not add any more than
the recommended liquid.
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1. While mixing for 3
minutes stop to scrape
down the sides to insure
all material is fully mixed.
2. Add additional “A”Comp.
liquid for desired
consistency.
3. Most cases you will have
liquid left.
4. Thorough mixing and proper proportioning is
necessary.
Mixing
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Apply the mortar to
the patch area while
the Armatec 110
EpoCem is still wet.
If Armatec is not used
as a bonding agent,
SSD the surface and scrub coat the repair mortar
into the substrate filling all pores and voids.
ST 123+ Application
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ST 123+ Application
Apply SikaTop
repair mortar to
patch.
Press mortar
behind rebar and
make sure the
material is
consolidated and
compacted fully.
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ST 123+ Application
Complete filling
patch area.
Work mortar from
the center of the
patch to the
outside.
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Min / Max application thickness
Neat
• Min 1/8 inch
• Max 1.5 inch
SikaTop 123 Plus cannot be
extended with aggregate.
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SikaTop 123 Finish
After filling patch section, allow
mortar to set to desired stiffness.
Then finish with steel, wood, or
sponge float to attain look required.
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Sikatop 123+ Finish
To assist in the
finishing of the
SikaTop use
SikaFilm.
• SikaFilm is a
finishing aid that
also retards
moisture
evaporation.
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SikaTop 123+ Finish
You can use a
steel trowel to
attain a smooth
surface.
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Sponge Float Finish
You can use
Sponge float to
attain a textured
surface.
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SikaTop Curing
Cure as per ACI recommendations.
Curing is required.
Moist cure with wet burlap
and polyethylene, a fine
mist of water.
Moist curing should
commence immediately after finishing.
Protect newly applied material from
direct sun light, wind, rain and frost.
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SikaTop 123 Plus
Sika Technical Data Sheets can be
obtained via:
www.sikaconstruction.com
Refer to data sheets for specific
information on each Sika product.