Page 69 - Catalogs

GUIDE SPECIFICATIONS | Section 3.3
POLY-I-GARD 246SC
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specified below in Phase 2. Apply PC-260 over all joints, cracks, PHASE 6:
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and flashing. Bridge joints, cracks, and flashings with 4” (10.2 Apply the third coat of catalyzed Poly-I-Gard 246SC topcoat at
cm) Straight Jacket Tape, pushing it into the PC-260 with a the rate of 1 gallon/100 sqft (0.51 liters/sqm) or 100 sqft/gallon
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trowel. Using PC-260 as a caulking compound will shorten over the cured Poly-I-Gard 246SC with aggregate. This coat
the curing time appreciably over conventional polyurethane will result in an additional minimum 14 ± 2 dry mils (356 ±
caulks. Over reinforcement tape, apply a stripe coat of PC-260 51 microns) thick membrane. At 75°F (24°C) and 50% relative
and taper it onto the adjacent surface. All cracks in concrete humidity, allow 24 hours before permitting light foot traffic.
substrates must be treated per Polycoat Architectural Details. Keep all vehicular traffic off the finished Poly-I-Gard 246SC
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Allow the surface to cure for 4 to 6 hours. Vehicular Traffic Deck System for at least 72 hours.
PHASE 2: OPTIONAL FAST CURE:
Concrete and metal should be primed with Polyprime EBF-LV The use of Polyglaze™ Hardener will shorten cure time to
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at a rate of 1 gallon (3.78 liters mixture of Side-A & Side-B)/200 6 to 8 hours for each coat an ambient temperature of 75°F
sqft (0.14 liters/sqm) or 200 sqft/gallon. Apply using a brush (24°C). Recoats should occur 8-12 hours of when the surface
or phenolic core roller. This will result in a 7 dry mils (178 becomes tack-free.
microns) thick membrane.
FINISHED SYSTEM
Note: Allow primer to become tack free before moving to the Coating When applied as directed, the Poly-I-Gard 246SC Vehicular
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Application. The point at which the primer is deemed tack free is when Traffic Deck System will provide 40 ± 5 dry mils (1016 ± 125
the primer passes thumbprint test. The thumbprint test is defined by dry microns) over all, and 52 ± 5 dry mils (1321 ± 125 microns)
when a thumbprint is left in the primer and primer does not transfer
to the thumb. over ramps, turn radii, and other heavy traffic areas, exclusive
of aggregate. This offers a superior waterproofing protection
PHASE 3: system with the assurance of a Class A Fire Rating. Requires
Apply catalyzed Poly-I-Gard 246SC to substrate at a rate of a continuous coating application to minimize lines and/or
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1 gallons/100 sqft (0.41 liters/sqm) or 100 sqft/gallon. For best streaking. Any optional adhesion test is to be performed seven
results, use a notched trowel or notched squeegee. A phenolic days after product application.
core roller may be used, but extra care should be taken to
prevent air bubbles. Spread mixed Poly-I-Gard 246SC evenly STRIPING:
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over the entire deck resulting in a minimum 14 ± 2 dry mils It is recommended that an epoxy paint is used for line striping.
(356 ± 51 microns) thick membrane. Allow Poly-I-Gard 246SC
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to cure before proceeding to Phase 4. Limitations
The following conditions must not be coated with Polycoat
PHASE 4: Products deck coating systems or products: on grade slabs,
Over ramps, turn radii, and other heavy traffic areas only, split slabs with buried membrane, sandwich slabs with
apply catalyzed Poly-I-Gard 246SC at a rate of 1 gallon/100 insulation, slabs over unvented metal pan, magnesite, or
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sqft (0.41 liters/sqm) or 100 sqft/gallon. Immediately broadcast concrete with a structural integrity less than 3000 psi. Asphalt
washed, dry, rounded sand, 16-20 mesh (0.841-1.19 mm), 6.5+ surfaces and asphalt overlays may be coated with Polycoat
Mohs minimum hardness at a rate of 10 lbs/100 sqft (0.5 kg/ decking systems if first coated with the Polycoat™ PC-IM 129.
sqm) or as required to achieve a slip-resistant finish. This coat
will result in an additional minimum 14 ± 2 dry mils (356 ± 51 Concrete must exhibit 3000 psi minimum strength. Concrete
microns) thick membrane, exclusive of aggregate. Allow Poly- surfaces to be coated must be trowel finished in compliance with
I-Gard 246SC to cure before removing all loose aggregate. the American Concrete Institute (except that hand troweling
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is not required), followed by a fine-haired brooming, left free
PHASE 5: of loose particles, and shall be without ridges, projections,
Apply a second coat of catalyzed Poly-I-Gard 246SC over the voids and concrete droppings that would be mechanically
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entire surface, including heavy traffic areas, at a rate of 3/4 detrimental to coating application or function.
gallon/100 sqft (0.31 liters/sqm) or 133 sqft/gallon. Immediately
broadcast washed, dry, rounded sand, 20 mesh (1.19 mm), 6.5+ New concrete must be cured for 28 days (see General
Mohs minimum hardness at a rate of 10 lbs/100 sqft (0.5 kg/ Guidelines). Polycoat Products coating systems should not
sqm) or as required to achieve a slip-resistant finish. This coat be subjected to rising water tables or hydrostatic pressure on
will result in an additional 12 ± 2 dry mils (305 ± 51 microns) slab-on-grade decks. The only acceptable grade of plywood
thick membrane, exclusive of aggregate. Allow Poly-I-Gard is APA rated exterior grade or better. The appearance and
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246SC to cure before removing all loose aggregate. physical characteristics of the plywood and grade should be

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 3.3
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