Page 29 - Polycoat 1.1 Table of Contents
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GUIDE SPECIFICATIONS  |  Section 2.4
                                                                                      POLYDECK  160/160SC
                                                                                                    ®






            mesh (0.841 mm), 6.5+ Mohs minimum hardness, at a rate   New concrete must be cured for 28 days (see General
            of 20 lbs/100 sqft  (1 kg/sqm) or as required to achieve a slip-  Guidelines). Polycoat Products coating systems should not
            resistant finish, into the wet second coat, cover completely.   be subjected to rising water tables or hydrostatic pressure on
            When the PC-260 is stiff enough to support weight without   slab-on-grade decks. The only acceptable grade of plywood
            denting, remove all loose aggregate. This will result in a 15 ±   is APA rated exterior grade or better. The appearance and
            1 dry mils (381 ± 25 microns) thick membrane, exclusive of   physical characteristics of the plywood and grade should be
            aggregate. Proceed with Phase 5 as above.            considered. Plywood should be new or cleaned and sanded
                                                                 (see General Guidelines). Coating should be applied at least
            OPTIONAL FAST CURE:                                  5°F (3°C) above the dew point.
            Topcoat: The addition of Polyglaze  Hardener to Polyglaze
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                                                              ®
            100/100C/100SC or Polyglaze  AL-50/AL-50SC will shorten cure   Coverage rates recommended are based on lab conditions,
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            time to 2-4 hours for each coat at an ambient temperature   applied at 75°F (24°C) ambient temperature and are intended
            of 75°F (24°C). Recoats should occur 8-12 hours of when   to be minimum coverage rates on clean, smooth plywood, and
            surface becomes tack-free.  If Polyglaze  Hardener is used to   are exclusive of additional amounts needed to fill potholes,
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            accelerate the curing, then re-coat window for the subsequent   spalling, scaling, rough and irregular surfaces.  Porosity and
            coat is reduced to 24 hours after cure. If the recoat window   roughness of the substrate, aggregate size, and product
            has passed, then solvent wipe the surface with VOC-compliant   temperature will affect coverage rates.  Material mil thickness
            solvent and re-prime surface.                        rates are calculated on theoretical coverage for a smooth
                                                                 substrate and do not account for the actual texture or substrate
            SLOPING, CONCRETE REPAIR, CRACK FILLING              conditions in the field or at the time of application.  Sample
            For sloping, concrete repair or to fill cracks, use PC-260 neat   mockups on the projects are recommended to determine the
            or add sand/rubber granules from 0.5 to 1.5 by volume into   exact coverage rates necessary to waterproof the deck to
            mixed PC-260.                                        acceptable standards.

            FINISHED SYSTEM:                                     Equipment should be cleaned with a urethane grade
            When applied as directed, the Polydeck  160 Pedestrian   environmentally safe solvent, as permitted under local
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            Traffic Deck  System will provide 60 ± 5 dry mils (1524   regulations, immediately after use. Uncured materials
            ± 125 dry microns), exclusive of aggregate, of superior   are sensitive to heat and moisture. The substrate must be
            waterproofing protection. When applying a second top coat   structurally sound and sloped for proper drainage. Polycoat
            on rubber aggregate, it will provide 72 ± 5  dry mils (1828 ±   Products assumes no liability for substrate defects. Field visits
            125 dry mircrons). The system requires a continuous coating   by Polycoat Products personnel are for the purpose of making
            application to minimize lines and/or streaking. Any optional   technical recommendations only and are not to supervise or
            adhesion test is to be performed seven days after product   provide quality control on the job site.
            application.
                                                                 Warning
            Limitations                                          The products in this system contain Isocyanates, Solvents, Epoxy Resin,
            The following conditions must not be coated with Polycoat   and Curatives.
            Products deck coating systems or products: on grade slabs,
            split slabs with buried membrane, sandwich slabs with
            insulation, slabs over unvented metal pan, magnesite, or
            concrete with a structural integrity less than 3000 psi. Asphalt
            surfaces and asphalt overlays may be coated with Polycoat
            decking systems if first coated with the Polycoat™ PC-IM 129.
            Concrete must exhibit 3000 psi minimum strength. Concrete
            surfaces to be coated must be trowel finished in compliance with
            the American Concrete Institute (except that hand troweling
            is not required), followed by a fine-haired brooming, left free
            of loose particles, and shall be without ridges, projections,
            voids and concrete droppings that would be mechanically
            detrimental to coating application or function.




        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 2.4
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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