Page 16 - Polycoat 1.1 Table of Contents
P. 16

Product Instructions                                  washed, dry, rounded sand, 20 mesh (0.841 mm), 6.5+ Mohs
        For complete information associated with the application of all   minimum hardness, at a rate of 20 lbs/100 sqft (1 kg/sqm)
        Polycoat Products decking systems and products, refer to the   or as required to achieve a slip-resistant finish, into the wet
        System data and Technical Data Sheets of the Polycoat Products   second coat, covering it completely. This coat will result in a 8
        catalog, which describes the products, surface preparation, job   ± 2 dry mils (203 ± 51 microns) thick membrane, exclusive of
        conditions, finishing details and other necessary information.  aggregate. After allowing to cure, remove all loose aggregate.
                                                              Recoats must be done within 24 hours of cure.
        Coatings Application
        PHASE 1:                                              PHASE 5:
        Check area of application to ensure that it conforms to the   Apply desired color of Polyglaze® 100 or Polyglaze® AL-50
        substrate requirements as stated in the General Guidelines.   topcoat at a rate of 1 gallon/100 sqft (0.41 liters/m²) or 100 sqft/
        Prime all joints, cracks, flashings with approved primers as   gallon. For best results, use a 3/8” (0.965 cm) nap phenolic
        specified below in Phase 2. Apply PC-260 over all joints, cracks   core roller. This coat will result in an additional 10 ± 2 dry mils
        and flashing. Bridge joints, cracks, and flashings with 4” (10.2   (254 ± 51 microns) thick membrane.
        cm) Straight Jacket Tape, pushing it into the PC-260 with a
        trowel. Using PC-260 as a caulking compound will shorten   Optional Fast Cure
        the curing time appreciably over conventional polyurethane   BASECOAT:
        caulks. Over reinforcement tape, apply a stripe coat of PC-260   The addition of PC-50 will shorten cure time to 3-5 hours for
        and taper it onto the adjacent surface. Allow the surface to   each coat at an ambient temperature of 75°F (24°C).  Recoats
        cure for 1 to 2 hours. A manufacturer approved single or two-  should occur within 12 hours after cure.  If the recoat window
        component polyurethane sealant may also be used to bridge   has passed, then solvent wipe the surface with VOC-compliant
        joints, cracks and flashings.                         solvent and re-prime with Polyprime® U.
        PHASE 2:                                              TOPCOAT:
        Substrates other than new plywood are to be primed. Primer   The addition of Polyglaze® Hardener will shorten cure time
        is optional for new plywood. Metal and concrete which have   to 2-4 hours for each coat at an ambient temperature of 75°F
        been cleaned should be primed with Polyprime  2180SC at   (24°C). Recoats should occur 8-12 hours of when surface
                                                 ®
        a rate of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/gallon.   becomes tack-free. If Polyglaze® Hardener is used to accelerate
        Apply using a brush, flat squeege, or phenolic core roller.   curing, then the recoat window for the subsequent coat is
        This will result in a 4 dry mils (102 microns) thick membrane.   reduced to 24 hours after cure. If the recoat window has
                                                              passed, then solvent wipe the surface with VOC-compliant
        Note: For rough or porous concrete or when outgassing is a concern, use   solvent and re-prime surface.
        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 of the substrate. Allow primer  Sloping, Concrete Repair, Crack Filling
        to become tack free before moving to the Coating Application. The point at which   For sloping, concrete repair or to fill cracks, use PC-260 neat
        the primer is deemed tack free is when the primer passes thumbprint test. The   or add sand/rubber granules from 0.5 to 1.5 by volume into
        thumbprint test is defined by 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   mixed PC-260.
        for more than 12 hours, it is necessary to solvent wipe surface with VOC-compliant
        solvent and re-prime the surface.                     Finished System
                                                              When applied as directed, the Polydeck  100 Pedestrian Traffic
                                                                                              ®
        PHASE 3:                                              Deck System will provide 40 ± 5 dry mils (1016 ± 125 dry
        Apply PC-220 to the substrate at a rate of 2 gallon/100 sqft   microns), exclusive of aggregate, of superior waterproofing
        (0.82 liters/sqm). For best results, use a 1/8” (0.32 cm) notched   protection. The  system  requires  a  continuous  coating
        trowel or notched squeegee. A 3/8” (0.965 cm) phenolic core   application to minimize lines and/or streaking. Any optional
        roller may be used, but extra care should be taken to prevent   adhesion test is to be performed seven days after product
        air bubbles. Spread mixed PC-220 evenly over the entire   application.
        deck resulting in a 22 ± 2 dry mils (559 ± 51 microns) thick
        membrane. Allow PC-220 to cure before proceeding to Phase  Limitations
        4. Recoats must be done 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 primer to avoid   split slabs with buried membrane, sandwich slabs with
        missing the primer recoat window. If this is not possible, broadcast heavy with   insulation, slabs over unvented metal pan, magnesite, or
        aggregate into the primer to aid in the adhesion of the basecoat to the primer. Do
        not exceed recoat window of 12 hours after cure and if recoat window is passed   concrete with a structural integrity less than 3000 psi. Asphalt
        then solvent wipe the surface with VOC-compliant solvent and re-prime before   surfaces and asphalt overlays may be coated with Polycoat
        proceeding with the next coat/phase.                  Decking Systems if first coated with the Polycoat™ PC-IM 129.

        PHASE 4:                                              Concrete must exhibit  3000 psi minimum strength. Concrete
        Apply a second coat of PC-220 at a rate of 3/4 gallon/100 sqft   surfaces to be coated must be trowel finished in compliance with
        (0.31 liters/sqm) or 125 sqft/gallon. Immediately broadcast   the American Concrete Institute (except that hand troweling


        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 2.1
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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