Page 68 - Polycoat 1.1 Table of Contents

cm) Straight Jacket Tape, pushing it into the PC-260 with a FINISHED SYSTEM:
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trowel. Using PC-260 as a caulking compound will shorten When applied as directed above, the Poly-I-Gard 295/295OF
the curing time appreciably over conventional polyurethane Vehicular Traffic Deck System will provide 61 ± 5 dry mils
caulks. Over reinforcement tape, apply a stripe coat of PC-260 (1549 ± 125 dry microns), exclusive of aggregate, of superior
and taper it onto the adjacent surface. All cracks in concrete waterproofing protection. Requires a continuous coating
substrates must be treated per Polycoat Architectural Details. application to minimize lines and/or streaking. Any optional
Allow the surface to cure for 4 to 6 hours. adhesion test is to be performed seven days after product
application.
PHASE 2:
Concrete should be primed with Polyprime EBF-LV at a rate of STRIPING:
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1 gallon/200 sqft (0.21 liters/sqm) or 200 sqft/gallon. Or can be It is recommended that an epoxy paint is used for line striping.
primed with Polyprime 2180SC at a rate of 1 gallon/300 sqft
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(0.14 liters/sqm). Apply using a brush or phenolic core roller. Limitations
This will result in a 7 dry mils (178 microns) thick membrane. The following conditions must not be coated with Polycoat
Metal should only be primed with Polyprime 2180SC at a rate Products deck coating systems or products: on grade slabs,
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of 1 gallon/300 sqft or 300 sqft/gallon. split slabs with buried membrane, sandwich slabs with
insulation, slabs over unvented metal pan, magnesite, or
Note: Allow primer to become tack free before moving to the Coating concrete with a structural integrity less than 3000 psi. Asphalt
Application. The point at which the primer is deemed tack free is when surfaces and asphalt overlays may be coated with Polycoat
the primer passes thumbprint test. The thumbprint test is defined by decking systems if first coated with the Polycoat™ PC-IM 129.
when a thumbprint is left in the primer and primer does not transfer
to the thumb. If the primer has been allowed to remain tack free for Concrete must exhibit 3000 psi minimum strength. Concrete
more than 12 hours, it is necessary to solvent wipe surface with VOC-
compliant solvent and re-prime the surface. A manufacturer approved surfaces to be coated must be trowel finished in compliance with
single or two-component polyurethane sealant may also be used to the American Concrete Institute (except that hand troweling
bridge joints, cracks, and flashings. is not required), followed by a fine-haired brooming, left free
PHASE 3: of loose particles, and shall be without ridges, projections,
Apply Poly-I-Gard 295/295OF to the substrate at a rate of voids and concrete droppings that would be mechanically
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1 1/2 gallons/100 sqft (0.62 liters sqm) or 66 sqft/gallon. For detrimental to coating application or function.
best results use a machine, a 1/8” (0.32 cm) notched trowel or
notched squeegee. Spread the mixed Poly-I-Gard 295/295OF New concrete must be cured for 28 days (see General
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evenly over the entire deck using a notched squeegee resulting Guidelines). Polycoat Products coating systems should not
in a 23 ± 2 dry mils (584 ± 51 microns) thick membrane. Allow be subjected to rising water tables or hydrostatic pressure on
Poly-I-Gard 295/295OF to cure before proceeding to Phase 4. slab-on-grade decks. The only acceptable grade of plywood
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is APA rated exterior grade or better. The appearance and
PHASE 4: physical characteristics of the plywood and grade should be
Apply another coat of Poly-I-Gard 295/295OF over the entire considered. Plywood should be new or cleaned and sanded
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surface, at a rate of 1.5 gallon/100 sqft (0.62 liters/sqm) or 66 (see General Guidelines). The coating should be applied at
sqft/gallon. Immediately broadcast washed, dry, rounded least 5°F (3°C) above the dew point.
sand, 16-20 mesh (1.19-0.841 mm), with 6.5+ Mohs minimum
hardness over the entire surface at a rate of 20 lbs/100 sqft Coverage rates recommended are based on lab conditions,
or as required to achieve a slip-resistant finish. This coat will applied at 75°F (24°C) ambient temperature and are intended
result in an additional 23 ± 2 dry mils (584 ± 51 microns) to be minimum coverage rates on clean, smooth plywood, and
thick membrane, exclusive of aggregate. Allow Poly-I-Gard are exclusive of additional amounts needed to fill potholes,
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295/295OF to cure and remove all loose aggregate before spalling, scaling, rough and irregular surfaces. Porosity and
proceeding to Phase 5. roughness of the substrate, aggregate size, and product
temperature will affect coverage rates. Material mil thickness
PHASE 5: rates are calculated on theoretical coverage for a smooth
Apply a final coat of Poly-I-Gard 295/295OF at the rate of 1 substrate and do not account for the actual texture or substrate
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gallon/100 sqft (0.41 liters/sqm) or 100 sqft/gallon over the conditions in the field or at the time of application. Sample
previous coat. Immediately broadcast and backroll washed, mockups on the projects are recommended to determine the
dry, rounded sand, 16-20 mesh (1.19-0.841 mm), with 6.5+ exact coverage rates necessary to waterproof the deck to
Mohs minimum hardness over the entire surface at a rate acceptable standards.
of 20 lbs/100 sqft or as required to achieve a slip-resistant
finish. This will result in an additional 15 ± 2 dry mils (381 Equipment should be cleaned with a urethane grade
± 51 microns) thick membrane. At 75°F (24°C) and 50% environmentally safe solvent, as permitted under local
relative humidity, allow 24 hours before permitting light foot regulations, immediately after use. Uncured materials
traffic. Keep all vehicular traffic off the finished Poly-I-Gard are sensitive to heat and moisture. The substrate must be
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295/295OF Vehicular Traffic Deck System for at least 60 hours. structurally sound and sloped for proper drainage. Polycoat
Products assumes no liability for substrate defects. Field visits

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