Page 64 - Polycoat 1.1 Table of Contents

specified below in Phase 2. Apply PC-260 over all joints, cracks, 51 microns) thick membrane. At 75°F (24°C) and 50% relative
and flashing. Bridge joints, cracks, and flashings with 4” (10.2 humidity, allow 24 hours before permitting light foot traffic.
cm) Straight Jacket Tape, pushing it into the PC-260 with a Keep all vehicular traffic off the finished Poly-I-Gard 246SC
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trowel. Using PC-260 as a caulking compound will shorten Vehicular Traffic Deck System for at least 72 hours.
the curing time appreciably over conventional polyurethane
caulks. Over reinforcement tape, apply a stripe coat of PC-260 OPTIONAL FAST CURE:
and taper it onto the adjacent surface. All cracks in concrete The use of Polyglaze™ Hardener will shorten cure time to
substrates must be treated per Polycoat Architectural Details. 6 to 8 hours for each coat an ambient temperature of 75°F
Allow the surface to cure for 4 to 6 hours. (24°C). Recoats should occur 8-12 hours of when the surface
becomes tack-free.
PHASE 2:
Concrete and metal should be primed with Polyprime EBF-LV FINISHED SYSTEM
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at a rate of 1 gallon (3.78 liters mixture of Side-A & Side-B)/200 When applied as directed, the Poly-I-Gard 246SC Vehicular
sqft (0.14 liters/sqm) or 200 sqft/gallon. Apply using a brush Traffic Deck System will provide 40 ± 5 dry mils (1016 ± 125
or phenolic core roller. This will result in a 7 dry mils (178 dry microns) over all, and 52 ± 5 dry mils (1321 ± 125 microns)
microns) thick membrane. over ramps, turn radii, and other heavy traffic areas, exclusive
of aggregate. This offers a superior waterproofing protection
Note: Allow primer to become tack free before moving to the Coating system with the assurance of a Class A Fire Rating. Requires
Application. The point at which the primer is deemed tack free is when a continuous coating application to minimize lines and/or
the primer passes thumbprint test. The thumbprint test is defined by streaking. Any optional adhesion test is to be performed seven
when a thumbprint is left in the primer and primer does not transfer
to the thumb. days after product application.
PHASE 3: STRIPING:
Apply catalyzed Poly-I-Gard 246SC to substrate at a rate of It is recommended that an epoxy paint is used for line striping.
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1 gallons/100 sqft (0.41 liters/sqm) or 100 sqft/gallon. For best
results, use a notched trowel or notched squeegee. A phenolic Limitations
core roller may be used, but extra care should be taken to The following conditions must not be coated with Polycoat
prevent air bubbles. Spread mixed Poly-I-Gard 246SC evenly Products deck coating systems or products: on grade slabs,
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over the entire deck resulting in a minimum 14 ± 2 dry mils split slabs with buried membrane, sandwich slabs with
(356 ± 51 microns) thick membrane. Allow Poly-I-Gard 246SC insulation, slabs over unvented metal pan, magnesite, or
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to cure before proceeding to Phase 4. concrete with a structural integrity less than 3000 psi. Asphalt
surfaces and asphalt overlays may be coated with Polycoat
PHASE 4: decking systems if first coated with the Polycoat™ PC-IM 129.
Over ramps, turn radii, and other heavy traffic areas only,
apply catalyzed Poly-I-Gard 246SC at a rate of 1 gallon/100 Concrete must exhibit 3000 psi minimum strength. Concrete
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sqft (0.41 liters/sqm) or 100 sqft/gallon. Immediately broadcast surfaces to be coated must be trowel finished in compliance with
washed, dry, rounded sand, 16-20 mesh (0.841-1.19 mm), 6.5+ the American Concrete Institute (except that hand troweling
Mohs minimum hardness at a rate of 10 lbs/100 sqft (0.5 kg/ is not required), followed by a fine-haired brooming, left free
sqm) or as required to achieve a slip-resistant finish. This coat of loose particles, and shall be without ridges, projections,
will result in an additional minimum 14 ± 2 dry mils (356 ± 51 voids and concrete droppings that would be mechanically
microns) thick membrane, exclusive of aggregate. Allow Poly- detrimental to coating application or function.
I-Gard 246SC to cure before removing all loose aggregate.
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New concrete must be cured for 28 days (see General
PHASE 5: Guidelines). Polycoat Products coating systems should not
Apply a second coat of catalyzed Poly-I-Gard 246SC over the be subjected to rising water tables or hydrostatic pressure on
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entire surface, including heavy traffic areas, at a rate of 3/4 slab-on-grade decks. The only acceptable grade of plywood
gallon/100 sqft (0.31 liters/sqm) or 133 sqft/gallon. Immediately is APA rated exterior grade or better. The appearance and
broadcast washed, dry, rounded sand, 20 mesh (1.19 mm), 6.5+ physical characteristics of the plywood and grade should be
Mohs minimum hardness at a rate of 10 lbs/100 sqft (0.5 kg/ considered. Plywood should be new or cleaned and sanded
sqm) or as required to achieve a slip-resistant finish. This coat (see General Guidelines). The coating should be applied at
will result in an additional 12 ± 2 dry mils (305 ± 51 microns) least 5°F (3°C) above the dew point.
thick membrane, exclusive of aggregate. Allow Poly-I-Gard
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246SC to cure before removing all loose aggregate. Coverage rates recommended are based on lab conditions,
applied at 75°F (24°C) ambient temperature and are intended
PHASE 6: to be minimum coverage rates on clean, smooth plywood, and
Apply the third coat of catalyzed Poly-I-Gard 246SC topcoat at are exclusive of additional amounts needed to fill potholes,
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the rate of 1 gallon/100 sqft (0.51 liters/sqm) or 100 sqft/gallon spalling, scaling, rough and irregular surfaces. Porosity and
over the cured Poly-I-Gard 246SC with aggregate. This coat roughness of the substrate, aggregate size, and product
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will result in an additional minimum 14 ± 2 dry mils (356 ± temperature will affect coverage rates. Material mil thickness

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