Page 48 - Polycoat 1.1 Table of Contents
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Description                                           Polyprime  21 at a rate of 1 gallon/300 sqft (0.14 liters/sqm)
                                                                      ®
        The Polydeck  400 Pedestrian Traffic Deck System is a   or 300 sqft/gallon. Apply using a brush or phenolic core roller.
                    ®
        polyurethane, liquid applied, moisture-cured waterproofing   This will result in a minimum 4 dry mils (102 microns) thick
        system with a Class A Fire Rating on 3/4” (1.9 cm)  or 21/32”   membrane.
        (1.67 cm) plywood. The system utilizes an epoxy primer, two
        coats of an aromatic polyurethane basecoat and two coats   Note: For rough or porous concrete or when outgassing is a concern,
                                                                         ®
        of an aliphatic polyurethane topcoat. The decking system   use Polyprime  EBF-LV Primer at a rate of 1 gallon/300 sqft or 300
                                                              sqft/gallon (0.14 liters/sqm); this rate may vary on the porosity of the
        can be applied to protect surfaces against spalling, freeze/  substrate. Allow primer to become tack free before moving to the
        thaw damage, and chemicals commonly encountered on    Coating Application. The point at which the primer is deemed tack
        these surfaces. It is an elastomeric system designed to   free is when the primer passes thumbprint test. The thumbprint test
        expand and contract with normal structural movements. It   is defined by when a thumbprint is left in the primer and primer does
        will neither soften in heat nor embrittle in the cold. Polydeck    not transfer to the thumb. If the primer has been allowed to remain
                                                          ®
                                                              tack free for more than 12 hours, it is necessary to solvent wipe surface
        400 Pedestrian Traffic Deck System is a proven fire rated/  with VOC-compliant solvent and re-prime the surface.
        waterproofing system for use on a wide range of applications.
        Installed and maintained properly, the decking system will   PHASE 3:
                                                              Apply PC-440/440SC/440SF to the substrate at a rate of 3
        ensure years of service. Make sure to use the correct grade of   gallons/100 sqft (1.4 liters/sqm) or 33.3 sqft/gallon. Add PC
        product which complies with VOC regulations/requirements   50 Accelerator to the base coat to prevent out gassing, at
        applicable as per federal, state, statutory, counties, cities and   the rate of 1/2 pint to 1 gal PC 50 to PC 400/ 400C/400SC. For
        local bodies at the place of installation.
                                                              best results, use a 1/8” (0.32 cm) notched trowel or notched
        Approvals, Codes & Testing                            squeegee. A 3/8” (0.965 cm) nap phenolic core roller may be
          •  Class A Fire Rating on 3/4” (1.9cm) or 21/32” (1.67cm)   used, but extra care should be taken to prevent air bubbles.
            Plywood, UBC Standard 32-7, ASTM E108, UL 790, NFPA   Spread PC-440/440SC/440SF evenly over the entire deck
            256                                               resulting in a minimum 33 to 48 ± 2 dry mils (838 – 1219 ± 51
          •  ICC-ES Report ESR-2785                           microns) thick membrane. Allow PC-440/440SC/440SF to cure
          •  Los Angeles City General Approval Report #RR25171   before proceeding to Phase 4. PC-50 must be added to the
          •  One-Hour Fire Resistive Construction, UBC Standard No.   PC-440 at a ratio of 1 quart PC-50 to 5 gallons PC-440.
            7-1                                               Note: Polycoat basecoats should be applied the same day as the
                                                              primer to avoid missing the primer recoat window. If this is not
        Product Instructions                                  possible, broadcast heavy with aggregate into the primer to aid in
        For complete information associated with the application of   the adhesion of the basecoat to the primer. Do not exceed recoat
        all Polycoat Products decking systems and products, refer   window of 12 hours after cure and if recoat window is passed then
        to the General Guidelines and Technical Data Sheets of the   solvent wipe the surface with VOC-compliant solvent and re-prime
                                                              before proceeding with the next coat/phase.
        Polycoat Products catalog, which describes the products,
        surface preparation, job conditions, finishing details and other   PHASE 4:
        necessary information.                                Apply a second coat of PC-440/440SC/440SF at a rate of 1½
                                                              gallons/100 sqft (0.62 liters/sqm) or 75 sqft/gallon. Immediately
        Coatings Application                                  broadcast washed, dry, rounded sand, 20 mesh (0.841 mm),
        PHASE 1:                                              6.5+ Mohs minimum hardness at a rate of 100 lbs/100 sqft
        Check area of application to ensure that it conforms to the   (4.88 kg/sqm)into the wet second coat, covering it completely.
        substrate requirements, as stated in the General Guidelines.   This coat will result in an additional minimum 16 to 22 ± 2 dry
        Prime all joints, cracks, flashings with approved primers as   mils (406 to 559 ± 51 microns) thick membrane, exclusive of
        specified below in Phase 2. Apply a two-part paste consisting   aggregate. Allow to cure before removing all loose aggregate.
        of PC-440/440SC/440SF and PC-50 over all joints, cracks, and
        flashing. Mixing ratio is a ½ pint of PC-50 to 1 gallon of PC-  PHASE 5:
                                                                                           ®
        440/440SC/440SF (0.24 liter to 3.78 liters) or 1 quart PC-50 to 5   Apply desired color of Polyglaze  400FR/400FR-C/400FR-
        gallons of PC-440/440SC/440SF (0.9 liter to 18.9 liters). Do not   SC topcoat mixture at a rate of 1 1/4 gallons/100 sqft (0.51
        mix more material than can be used in 20 minutes. Bridge the   liters/sqm) or 80 sqft/gallon. Mixing ratio is 1 part Polyglaze ®
        joints, cracks, and flashings with 4” (10.2 cm) Straight Jacket   400FR/400C-FR/400SC-FR Part-1 Powder to 5 parts 400FR/400C-
        Tape, pushing it into the paste with a trowel. Over Straight   FR/400SC-FR Part-2 Liquid. For best results use a 3/8” (0.965 cm)
        Jacket Tape, apply a stripe coat of the PC-440/440SC/440SF and   nap phenolic core roller. This coat will result in an additional
        PC-50 mixture and taper it onto the adjacent surface. Allow   minimum 13 to 16 ± 2 dry mils (330 to 406 ± 51 microns) thick
        the surface to cure for 6 to 8 hours.                 coating. Allow to cure before proceeding to Phase 6.

        PHASE 2:                                              PHASE 6:
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        Substrates other than new plywood are to be primed. Primer   Apply desired color of Polyglaze  400/400C/400SC topcoat at
        is optional for new plywood. Metal and concrete which have   a rate of 3/4 gallon/100 sqft (0.31 liters/sqm) or 75 sqft/gallon.
        been cleaned should be primed with Polyprime  2180SC or   This coat will result in an additional 8 to 10 ± 2 dry mils (203
                                                 ®

        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 2.9
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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