Page 76 - Polycoat 1.1 Table of Contents

elastomeric system with properties allowing it to expand and be taken to prevent air bubbles. Spread mixed PC-260 evenly
contract with normal structural movements. It can be applied over the entire deck resulting in a minimum 24 ± 2 dry mils
to protect surfaces against spalling, freeze/thaw damage, and (608 ± 50 microns) thick membrane. Allow PC-260 to cure
chemicals commonly encountered on pedestrian decks. It will before proceeding to Phase 4.
neither soften in heat nor embrittle in the cold. Recommended
system coverage mil thickness: light vehicular traffic systems, PHASE 4:
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42 ± 5 dry mils (1067 ± 125 dry micron) and heavy vehicular Apply Poly-I-Gard 295 at a rate of 1.2 gallon/100 sqft (0.49
traffic systems 54 ± 5 dry mils (1372 ± 125 dry microns). Make liters/sqm) or 78 sqft/gallon. Immediately broadcast washed,
sure to use the correct grade of product which complies with dry, rounded sand, 2-16 mesh (0.841-1.19 mm), 6.5+ Mohs
VOC regulations/requirements applicable as per federal, state, minimum hardness at a rate of 10-15 lbs/100 sqft (0.5-0.75
statutory, counties, cities and local bodies at the place of kg/sqm) or as required to achieve a slip-resistant finish and
installation. immediately backroll the sand into the wet coating so that the
sand is fully encapsulated. This coat will result in an additional
Product Instructions minimum 18 ± 2 dry mils (305 microns) thick membrane,
For complete information associated with the application of exclusive of aggregate. Optional: Poly-I-Gard 295 TEXTURED
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all Polycoat Products decking systems and products, refer is available for this application. Please call your local REP for
to the General Guidelines and Technical Data Sheets of the details.
Polycoat Products catalog, which describes the products,
surface preparation, job conditions, finishing details and other PHASE 5:
necessary information. For ramps, turn radii, and other heavy traffic areas, apply
Poly-I-Gard 295 over the entire surface, including heavy
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Coatings Application traffic areas, at a rate of 1 gallon/100 sqft (0.41 liters/sqm) or
PHASE 1: 100 sqft/gallon. Immediately broadcast and broadcast washed,
Check area of application to ensure that it conforms to the dry, rounded sand, 20 mesh (1.19 mm), 6.5+ Mohs minimum
substrate requirements as stated in the General Guidelines. hardness at a rate of 10-20 lbs/100 sqft 0.5-0.75 kg/sqm) or as
Prime all joints, cracks, flashings with approved primers as required to achieve a slip-resistant finish and immediately
specified below in Phase 2. Apply PC-260 over all joints, cracks, backroll sand into the wet coating so that the sand is fully
and flashing. Bridge joints, cracks, and flashings with 4” (10.2 encapsulated. This coat will result in an additional 15 ± 2
cm) Straight Jacket Tape, pushing it into the PC-260 with a dry mils (381 ± 50 microns) thick membrane, exclusive of
trowel. Using PC-260 as a caulking compound will shorten aggregate. Optional: Poly-I-Gard 295 TEXTURED is available
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the curing time appreciably over conventional polyurethane for this application. Please call your local REP for details.
caulks. Over reinforcement tape, apply a stripe coat of PC-260
and taper it onto the adjacent surface. All cracks in concrete FINISHED SYSTEM:
substrates must be treated per Polycoat Architectural Details. When applied as directed, the Poly-I-Gard 575FC (Fast Cure)
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Allow the surface to cure for 4 to 6 hours. Vehicular Traffic Deck System will provide 43 dry mils (1067 ±
125 dry micron) and 54 dry mils (1372 ± 125 dry microns) on
PHASE 2: ramps, turn radii, and other heavy traffic areas, exclusive of
Concrete should be primed with Polyprime 21 or Polyprime aggregate, of superior waterproofing protection.
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2180SC at a rate of 1 gallon/300 sqft or 300 sqft/gallon. Apply
using a brush or phenolic core roller. This will result in a 4 Requires a continuous coating application to minimize lines
dry mils (102 micron) thick membrane. Metal should only be and/or streaking. Any optional adhesion test is to be performed
primed with Polyprime 2180SC at a rate of 1 gallon/300 sqft seven days after product application.
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or 300 sqft/gallon. Allow Polyprime to become tack free before
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proceeding to Phase 3. STRIPING:
It is recommended that an Epoxy paint is used for line striping.
Note: For rough or porous concrete or when outgassing is a concern,
use Polyprime EBF-LV at an approximate rate of 1 gallon/200 sqft Limitations
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(0.20 liters/sqm) or 200 sqft/gallon; this rate may vary on the porosity The following conditions must not be coated with Polycoat
of the substrate. Allow primer to become tack free before moving to
the Coating Application. The point at which the primer is deemed tack Products deck coating systems or products: on grade slabs,
free is when the primer passes thumbprint test. The thumbprint test is split slabs with buried membrane, sandwich slabs with
defined by when a thumbprint is left in the primer and primer does not insulation, slabs over unvented metal pan, magnesite, or
transfer to the thumb. If the primer has been allowed to remain tack concrete with a structural integrity less than 3000 psi. Asphalt
free for more than 12 hours, it is necessary to solvent wipe surface surfaces and asphalt overlays may be coated with Polycoat
with VOC-compliant solvent and re-prime the surface.
decking systems if first coated with the Polycoat™ PC-IM 129.
PHASE 3:
Apply PC-260 to substrate at a rate of 1.5 gallons/100 sqft (0.61 Concrete must exhibit 3000 psi minimum strength. Concrete
liters/sqm) or 66 sqft/gallon. For best results, use a 1/8” (0.32 surfaces to be coated must be trowel finished in compliance with
cm) notched trowel or notched squeegee. A 3/8” (0.965 cm) the American Concrete Institute (except that hand troweling
nap phenolic core roller may be used, but extra care should is not required), followed by a fine-haired brooming, left free

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