Page 44 - Polycoat 1.1 Table of Contents
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basecoat and two coats of an aliphatic polyurethane topcoat.   300 sqft/gallon. Apply using a brush or phenolic core roller.
        The decking system protects surfaces against spalling, freeze/  This will result in a minimum 4 dry mils (102 microns) thick
        thaw damage and chemicals commonly encountered on these   membrane.
        surfaces. It is an elastomeric system designed to expand and
        contract with normal structural movements. It has a proven   Note: For rough or porous concrete or when outgassing is a concern,
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        fire rated/waterproofing system for use in a wide range of   use Polyprime  EBF-LV Primer at an approximate rate of 1 gallon/200
                                                              sqft (0.21 liters/sqm) or 200 sqft/gallon; this rate may vary on the
        applications. Installed and maintained properly, the Polydeck ®   porosity of the substrate. Allow primer to become tack free before
        355  Pedestrian  Traffic Deck System will ensure years of   moving to the Coating Application. The point at which the primer is
        service. Make sure to use the correct grade of product which   deemed tack free is when the primer passes thumbprint test. The
        complies with VOC regulations/requirements applicable as   thumbprint test is defined by when a thumbprint is left in the primer
        per federal, state, statutory, counties, cities and local bodies   and primer does not transfer to the thumb. If the primer has been
                                                              allowed to remain tack free for more than 12 hours, it is necessary
        at the place of installation.                         to solvent wipe surface with VOC-compliant solvent and re-prime
                                                              the surface.
        Approvals, Codes & Testing
          •  Class B Fire Rating on 5/8” (1.59cm) or 19/32” (1.51cm)  PHASE 3:
            Plywood, UBC Standard 32-7, ASTM E108, UL 790, NFPA   Apply PC-440/440SC/440SF to the substrate at a rate of 2
            256                                               gallons/100 sqft (0.82 liters/sqm) or 50 sqft/gallon. For best
          •  ICC-ES Report ESR-2785                           results, use a 1/8” (0.32 cm) notched trowel or notched
          •  Class A Fire Rating on Concrete                  squeegee. A 3/8” (0.965 cm) nap phenolic core roller may be
          •  Los Angeles City General Approval Report #RR25171  used but extra care should be taken to prevent air bubbles.
          •  One-Hour Fire Resistive Construction, UBC Standard No.   Spread mixed PC-440/440SC/440SF evenly over the entire deck
            710, 1997                                         resulting in a minimum of 22 to 32 ± 2 dry mils (559 to 812 ±
          •  Meets the Criteria of ASTM C957                  51 microns) thick membrane. Allow PC-440/440SC/440SF to
          •  Polydeck  355 conforms to CCMC exposed cold-applied   cure before proceeding to phase 4.
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            Elastomeric Roofing Membrane that can withstand   Note: Polycoat basecoats should be applied the same day as the
            exposure to pedestrian traffic in compliance with the   primer to avoid missing the primer recoat window. If this is not
            intent of the National Building Code of Canada 1995.  possible, broadcast heavy with aggregate into the primer to aid in
                                                              the adhesion of the basecoat to the primer. Do not exceed recoat
        Product Instructions                                  window of 12 hours after cure and if recoat window is passed, then
        For complete information associated with the application of   solvent wipe the surface with VOC-compliant solvent and re-prime
        all Polycoat Products decking systems and products, refer   before proceeding with the next coat/phase.
        to the General Guidelines and Technical Data Sheets of the   PHASE 4:
        Polycoat Products catalog, which describes the products,   Apply a second coat of PC-440/440SC/440SF at a rate of 1
        surface preparation, job conditions, finishing details and other   gallon/100 sqft (0.41 liters/sqm) or 100 sqft/gallon. Immediately
        necessary information.                                broadcast washed, dry, rounded sand, 20 mesh (0.841 mm),
                                                              6.5+ Mohs minimum hardness at a rate of 100 lbs/100 sqft (4.88
        Coatings Application                                  kgs/sqm), into the wet second coat, covering it completely.
        PHASE 1:                                              This coat will result in an additional minimum 11 to 16 ± 2
        Check area of application to ensure that it conforms to the   dry mils (279 to 406 ± 51 microns) thick membrane, exclusive
        substrate requirements, as stated in the General Guidelines.   of aggregate. After this coat has cured, remove all loose
        Prime all joints, cracks, flashings with approved primers as   aggregate.
        specified below in Phase 2. Apply a two-part paste consisting
        of PC-440/440SC/440SF and PC-50 over all joints, cracks and   PHASE 5:
        flashing. Mixing ratio is a ½ pint of PC-50 to 1 gallon of PC-  Apply desired color of Polyglaze  400/400C/400SC topcoat
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        440/440SC/440SF (0.24 liter to 3.78 liters) or 1 quart PC-50 to 5   at a rate of 3/4 gallon/100 sqft (0.31 liters/sqm) or 125 sqft/
        gallons of PC-440/440SC/440SF (0.9 liter to 18.9 liters). Do not   gallon. For best results, use a sprayer. This coat will result
        mix more material than can be used in 20 minutes. Bridge the   in an additional minimum 8 to 10 ± 2 dry mils (203 to 254 ±
        joints, cracks, and flashings with 4” (10.2 cm) Straight Jacket   51 microns) thick membrane. Allow this coat to cure before
        Tape, pushing it into the paste with a trowel. Over Straight   proceeding to Phase 6.
        Jacket Tape, apply a stripe coat of the PC-440/440SC/440SF and
        PC-50 mixture and taper it onto the adjacent surface. Allow   PHASE 6:
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        the surface to cure for 6 to 8 hours.                 Apply a second coat of Polyglaze  400/400C/400SC topcoat at
                                                              a rate of 3/4 gallon/100 sqft (0.31 liters/sqm) or 125 sqft/gallon.
        PHASE 2:                                              This coat will result in an additional minimum 8 to 10 ± 2 dry
        Substrates other than new plywood are to be primed. Primer   mils (203 to 254 ± 51 microns) thick membrane. At 75°F (24°C)
        is optional for new plywood.  Metal and concrete which have   and 50% relative humidity, allow 72 hours of cure time before
        been cleaned should be primed with Polyprime  2180SC  or   permitting heavy traffic on the finished system.
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        Polyprime  21 at a rate of 1 gallon/300 sqft (0.14 liters/sqm) or
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        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 2.8
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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