Page 32 - Polycoat 1.1 Table of Contents
P. 32

spalling, freeze/thaw damage and chemicals commonly   *Mixture is four gallons of PC-260 mixed with four gallons of
        encountered on these surfaces. It is an elastomeric system   dry sand, will yield approximately six gallons of the mixture
        designed to expand and contract with normal structural   for 100 sqft. Use a notched trowel or notched squeegee to
        movements. Installed and maintained properly, the Polydeck    spread PC-260 evenly over the entire deck resulting in a 90
                                                          ®
        160MR/160MR-SC Pedestrian Traffic Deck System will ensure   ± 2 dry mils (2286 ± 51 microns) thick membrane, exclusive
        years of service. Make sure to use the correct grade of product   of aggregate.
        which complies with VOC regulations/requirements applicable
        as per federal, state, statutory, counties, cities and local bodies   While PC-260 and sand mixture is still wet and starting to gel
        at the place of installation.                         (approximately 20-30 minutes), broadcast 16-30 mesh (0.595-
                                                              1.19 mm) white sand granules onto the PC-260 membrane
        Product Instructions                                  (rubber granules should sink only partially into the basecoat) at
        For complete information associated with the application of   a rate of 10 lbs/100 sqft (0.5 kg/sqm) or as required to achieve
        all Polycoat Products decking systems and products, refer   a slip-resistant finish. The amount of rubber used will vary.
        to the General Guidelines and Technical Data Sheets of the   When the PC-260 is stiff enough to walk on without denting,
        Polycoat Products catalog, which describes the products,   remove all loose aggregate
        surface preparation, job conditions, finishing details and other
        necessary information.                                Note: Polycoat basecoats should be applied the same day as the
                                                              primer to avoid missing the primer recoat window. If this is not
        Coatings Application                                  possible, broadcast heavy with aggregate into the primer to aid in
                                                              the adhesion of the basecoat to the primer.
        PHASE 1:
        Check area of application to ensure that it conforms to the   PHASE 4:
                                                                                    ®
                                                                                                             ™
        substrate requirements, as stated in the General Guidelines.   Apply pigmented Polyglaze  100/100C/100SC or Polyglaze  AL-
        Prime all joints, cracks, flashings with approved primers as   50/AL-50SC topcoat at a rate of 1 1/4gallon/100 sqft (0.51 liters/
        specified below in Phase 2. Apply PC-260 over all joints, cracks,   sqm) or 80 sqft/gallon. This coat will result in an additional 15
        and flashing. Bridge joints, cracks, and flashings with 4” (10.2   ± 2 dry mils (381 ± 51 microns) thick coating. Topcoat should
        cm) Straight Jacket Tape, pushing it into the PC-260 with a   be applied within 24 hours of applying PC-260 Sand Slurry.
        trowel. Using PC-260 as a caulking compound will shorten   If re-coat window has passed, then solvent wipe the surface
                                                                                                             ®
        the curing time appreciably over conventional polyurethane   with VOC-compliant solvent and re-prime with Polyprime   U.
        caulks. Over reinforcement tape, apply a stripe coat of PC-260
        and taper it onto the adjacent surface. Allow the surface to   OPTIONAL RUBBER AGGREGATE
                                                              If a rubber aggregate is to be used instead of sand aggregate,
        cure for 1 to 2 hours. A manufacturer approved single or two-  Phase 3 and Phase 4 should be applied as follows:
        component polyurethane sealant may also be used to bridge
        joints, cracks and flashings.                         PHASE 3:
                                                              Apply rubber slurry mixture* of one part mixed PC-260 and
        PHASE 2:                                              one part rubber granules (see mixing instructions for PC-
        Substrates other than new plywood are to be primed. Primer   260; 1:1 ratio by volume) to substrate through metal lath
        is optional for new plywood.  Metal and concrete which have   to encapsulate metal lath at 6 gallons/100 sqft (2.46 liters/
        been cleaned should be primed with Polyprime   2180SC   sqm). *Mixture is five gallons (18.9 liters) of PC-260 mixed
                                                  ®
        at a rate of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/  with five gallons  (18.9 liters) of rubber granules, will yield
        gallon. Apply using a brush or a 3/8” (0.965 cm) nap phenolic   approximately six gallons of Mixture for 100 sqft. Size and
        core roller. This will result in a 4 dry mils (102 microns) thick   porosity of rubber will vary.
        membrane.
                                                              While PC-260 and rubber slurry mixture is still wet and starting
        Note: For rough or porous concrete or when outgassing is a concern,   to gel, broadcast 16-30 white rubber granules onto the PC-260
                   ®
        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   membrane (rubber granules should sink only partially into the
        of the substrate. Allow primer to become tack free before moving to   basecoat) at a rate of 10 lbs/100 sqft (0.5 kg/sqm) or as required
        the Coating Application. The point at which the primer is deemed as   to achieve a slip-resistant finish. The amount of rubber used
        tack free is when the primer passes thumbprint test. The thumbprint   will vary. When the PC-260 is stiff enough to walk on without
        test is defined by when a thumbprint is left in the primer and primer   denting, remove all loose aggregate.
        does 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 with VOC-compliant solvent and re-prime the surface.  PHASE 4:
                                                              Apply pigmented Polyglaze  100/100C/100SC or Polyglaze  AL-
                                                                                                             ®
                                                                                    ®
        PHASE 3:                                              50/AL-50SC topcoat at a rate of 11/4 gallon/100 sqft (0.51 liters/
        Fasten 2.5 lbs/sqm hot dipped, galvanized metal lath to deck.   sqm) or 80 sqft/gallon. This coat will result in an additional 15
        Apply sand slurry mixture* of One part mixed PC-260 and   ± 2 dry mils (381 ± 51 microns) thick coating. Topcoat should
        One Part Sand (see mixing instructions for PC-260; 1:1 ratio   be applied within 24 hours of apply PC-260 Sand Slurry. If
        by volume, 1/20 grit sand) to substrate through metal lath to   re-coat window has passed, then solvent wipe the surface
        encapsulate metal lath at 6 gallons/100 sqft (2.46 liters/sqm).   with VOC-compliant solvent and re-prime with Polyprime  U.
                                                                                                             ®


        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 2.5
        wpsales@polycoatusa.com  |  www.polycoatusa.com
   27   28   29   30   31   32   33   34   35   36   37