Page 20 - Polycoat 1.1 Table of Contents
P. 20

Product Instructions                                  before proceeding with the next coat/phase.
        For complete information associated with the application of   PHASE 4:
        all Polycoat Products decking systems and products, refer   Apply a second coat of PC-220SC at a rate of 3/4 gallon/100
        to the General Guidelines and Technical Data Sheets of the   sqft (0.31 liters/sqm) or 125 sqft/gallon. Immediately broadcast
        Polycoat Products catalog, which describes the products,   washed, dry, rounded sand, 20 mesh (0.841 mm), 6.5+ Mohs
        surface preparation, job conditions, finishing details and other   minimum hardness, at a rate of 20 lbs/100 sqft  (1 kg/sqm)
        necessary information.                                or as required to achieve a slip-resistant finish, into the wet
                                                              second coat, covering it completely. This coat will result in an
        Coatings Application                                  11 ± 2 dry mils (279 ± 51 microns) thick membrane, exclusive of
        PHASE 1:                                              aggregate. After allowing to cure, remove all loose aggregate.
        Check area of application to ensure that it conforms to the   Recoats must be done within 24 hours of cure.
        substrate requirements, as stated in the General Guidelines.
        Prime all joints, cracks, flashings with approved primers as   PHASE 5:
        specified below in Phase 2.  Apply PC-260 over all joints, cracks,   Apply desired color of Polyglaze  100SC or Polyglaze  AL-50SC
                                                                                                         ®
                                                                                        ®
        and flashing. Bridge joints, cracks, and flashings with 4” (10.2   topcoat at a rate of 1 gallon/100 sqft (0.41 liters/sqm) or 100
        cm) Straight Jacket Tape, pushing it into the PC-260 with a   sqft/gallon. For best results, use a 3/8 inch (0.965 cm) nap
        trowel. Using PC-260 as a caulking compound will shorten   phenolic core roller. This coat will result in an additional 12 ±
        the curing time appreciably over conventional polyurethane   2 dry mils (305 ± 51 microns) thick membrane.
        caulks. Over reinforcement tape, apply a stripe coat of PC-260
        and taper it onto the adjacent surface. Allow the surface to  Optional Fast Cure
        cure for 1 to 2 hours. A manufacturer approved single or two-  BASECOAT:
        component polyurethane sealant may also be used to bridge   The addition of PC-50 will shorten cure time to 3-5 hours for
        joints, cracks, and flashings.                        each coat an ambient temperature of 75°F (24°C).  Recoats
                                                              should occur within 12 hours after cure. If recoat window has
        PHASE 2:                                              passed, then solvent wipe the surface with VOC-compliant
        Substrates other than new plywood are to be primed. Primer   solvent and re-prime with Polyprime  U.
                                                                                             ®
        is optional for new plywood. Metal and concrete which have
        been cleaned should be primed with Polyprime  2180SC   TOPCOAT:
                                                   ®
        at a rate of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/  The addition of Polyglaze  Hardener will shorten cure time to
                                                                                   ®
        gallon. Apply using a brush or  a 3/8 inch (0.965 cm) phenolic   2-4 hours for each coat. Recoats should occur 8-12 hours of
        core roller. This will result in a 4 dry mils (102 microns) thick   when the surface becomes tack-free. If Polyglaze  Hardener
                                                                                                       ®
        membrane.                                             is used to accelerate curing, then the recoat window for the
                                                              subsequent coat is reduced to 24 hours after cure. If the recoat
        Note: For rough or porous concrete or when outgassing is a concern,   window has passed, then solvent wipe the surface with VOC-
        use Polyprime  EBF-LV at an approximate rate of 1 gallon/200 sqft
                   ®
        (0.21 liters/sqm) or 200 sqft/gallon; this rate may vary on the porosity   compliant solvent and re-prime surface.
        of the substrate. Allow primer to become tack free before moving to
        the Coating Application. The point at which the primer is deemed as   SLOPING, CONCRETE REPAIR, CRACK FILLING:
        tack free is when the primer passes thumbprint test. The thumbprint   For sloping, concrete repair or to fill cracks, use PC-260 neat
        test is defined by when a thumbprint is left in the primer and primer   or add sand/rubber granules from 0.5 to 1.5 by volume into
        does not transfer to the thumb. If the primer has been allowed to   mixed PC-260.
        remain tack free for more than 12 hours, it is necessary to solvent
        wipe surface with VOC-compliant solvent and re-prime the surface.
                                                              FINISHED SYSTEM:
        PHASE 3:                                              When applied as directed, the Polydeck  100SC Pedestrian
                                                                                                ®
        Apply PC-220SC to the substrate at a rate of 1.5 gallon/100   Traffic Deck System will provide 44 ± 5 dry mils (1118 ± 125 dry
        sqft (0.62 liters/sqm) or 66 sqft/gallon. For best results, use a   microns), exclusive of aggregate, of superior waterproofing
        1/8 inch (0.32 cm) notched trowel or notched squeegee. A 3/8   protection. The  system  requires  a  continuous  coating
        inch (0.965 cm) nap phenolic core roller, may be used but extra   application to minimize lines and/or streaking. Any optional
        care should be taken to prevent air bubbles. Spread mixed   adhesion test is to be performed seven days after product
        PC-220SC evenly over the entire deck resulting in a 21 ± 2 dry   application.
        mils (533 ± 51 microns) thick membrane. Allow PC-220SC to
        cure before proceeding to Phase 4. Recoats must be done   Limitations
        within 24 hours of cure.                              The following conditions must not be coated with Polycoat
                                                              Products deck coating systems or products: on grade slabs,
        Note: Polycoat basecoats should be applied the same day as the   split slabs with buried membrane, sandwich slabs with
        primer to avoid missing the primer recoat window. If this is not   insulation, slabs over unvented metal pan, magnesite, or
        possible, broadcast heavy with aggregate into the primer to aid in   concrete with a structural integrity less than 3000 psi. Asphalt
        the adhesion of the basecoat to the primer.  Do not exceed recoat
        window of 12 hours after cure and if the recoat window is passed, then   surfaces and asphalt overlays may be coated with Polycoat
        solvent wipe the surface with VOC-compliant solvent and re-prime   decking systems if first coated with the Polycoat™ PC-IM 129.



        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 2.2
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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