Page 68 - Polycoat 1.1 Table of Contents
P. 68

cm) Straight Jacket Tape, pushing it into the PC-260 with a   FINISHED SYSTEM:
                                                                                                      ™
        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:
                                           ®
        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
                            ®
        (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,
                                             ®
        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
                        ™
        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
                                                 ™
        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
                  ™
                                                              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
                                    ™
        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,
                                                          ™
        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
                                    ™
        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
                                                          ™
        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

        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 3.3
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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