Page 52 - Polycoat 1.1 Table of Contents

Description tack free is when the primer passes thumbprint test. The thumbprint
The Polydeck 555 Pedestrian Traffic Deck System is a very test is defined by when a thumbprint is left in the primer and primer
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fast setting, rapid curing, high solids, polyurethane/polyurea, 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
liquid applied, chemically cured, rapid return-to-service wipe surface with VOC-compliant solvent and re-prime the surface.
waterproofing coating system. The system utilizes a two-
component epoxy primer, a two-component, non-gassing, PHASE 3:
thermal stable, elastomeric basecoat, and a two-component, Apply PC-260 to substrate at a rate of 1 1/2 gallons/100 sqft
solvent free, hybrid aliphatic polyurea topcoat. (0.62 liters/sqm) or 66 sqft/gallon. For best results, use a 1/8”
(0.32 cm) notched trowel or notched squeegee. A 3/8” (0.965
The Polydeck 555 Pedestrian Traffic Deck System is a user cm) nap phenolic core roller may be used, but extra care
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friendly, low-odor coating system that is specifically designed should be taken to prevent air bubbles. Spread mixed PC-260
to be tough and durable enough to withstand light to heavy evenly over the entire deck resulting in a minimum of 22 dry
pedestrian traffic. It is a high elongation elastomeric system mils (559 ± 51 microns) thick membrane. Allow PC-260 to cure
which properties allow it to expand and contract with before proceeding to phase 4.
normal structural movements. It can be applied to protect Note: Polycoat basecoats should be applied the same day as the
surfaces against spalling, freeze/thaw damage, and chemicals primer to avoid missing the primer recoat window. If this is not
commonly encountered on pedestrian decks. It will neither possible, broadcast heavy with aggregate into the primer to aid in
soften in heat nor embrittle in the cold. Recommended system the adhesion of the basecoat to the primer. Do not exceed recoat
coverage mil thickness: light pedestrian traffic systems, 36 dry window of 12 hours after cure and if recoat window is passed, then
mils (944 dry microns) and heavy pedestrian traffic systems 48 solvent wipe the surface with VOC-compliant solvent and re-prime
before proceeding with the next coat/phase.
dry mils (1219 dry microns). Make sure to use the correct grade
of product which complies with VOC regulations/requirements PHASE 4:
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applicable as per federal, state, statutory, counties, cities and For light pedestrian traffic, apply Poly-I-Gard 295 at a rate
local bodies at the place of installation. of 3/4 gallon/100 sqft (0.31 liters/sqm) or 120 sqft/gallon.
Immediately broadcast and backroll washed, dry, rounded
Product Instructions sand, 20 mesh (0.841 mm), 6.5+ Mohs minimum hardness at
For complete information associated with the application of a rate of 10-15 lbs/100 sqft (0.50-0.75 kgs/sqm), into the wet
all Polycoat Products decking systems and products, refer second coat, covering it completely. This coat will result in an
to the General Guidelines and Technical Data Sheets of the additional minimum 12 ± 2 dry mils (304 ± 51 microns) thick
Polycoat Products catalog, which describes the products, membrane, exclusive of aggregate. After this coat has cured,
surface preparation, job conditions, finishing details and other remove all loose aggregate.
necessary information.
PHASE 4:
Coatings Application For heavy pedestrian traffic, apply Poly-I-Gard 295 at a
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PHASE 1: rate of 11/2 gallon/100 sqft (0.62 liters/sqm) or 66 sqft/gallon.
Check area of application to ensure that it conforms to the Immediately broadcast and backroll washed, dry, rounded
substrate requirements, as stated in the General Guidelines. sand, 20 mesh (0.841 mm), 6.5+ Mohs minimum hardness at
Prime all joints, cracks, flashings with approved primers as a rate of 10-15 lbs/100 sqft (0.50-0.75 kgs/sqm), into the wet
specified below in Phase 2. Apply PC-260 over all joints, cracks second coat, covering it completely. This coat will result in an
and flashing. Do not mix more material than can be used in additional minimum 24 ± 2 dry mils (610 ± 51 microns) thick
20 minutes. Bridge the joints, cracks, and flashings with 4” membrane, exclusive of aggregate. After this coat has cured,
(10.2 cm) Straight Jacket Tape, pushing it into the paste with remove all loose aggregate.
a trowel. Over Straight Jacket Tape, apply a stripe coat of the
PC-260 and taper it onto the adjacent surface. Allow the surface FINISHED SYSTEM
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to cure for 6 to 8 hours. When applied as directed above, the Polydeck 555 Pedestrian
Traffic Deck System will provide minimum 36 to 48 dry mils
PHASE 2: ± 5 (914 to 1143 ± 125 dry microns), exclusive of aggregate,
Substrates other than new plywood are to be primed. Primer of superior waterproofing protection. Requires a continuous
is optional for new plywood. Metal and concrete which have coating application to minimize lines and/or streaking. Any
been cleaned should be primed with Polyprime 21 at a rate optional adhesion test is to be performed seven days after
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of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/gallon. Apply product application.
using a brush or phenolic core roller. This will result in a
minimum 4 dry mils (102 microns) thick membrane. Limitations
The following conditions must not be coated with Polycoat
Note: For rough or porous concrete or when outgassing is a concern, Products deck coating systems or products: on grade slabs,
use Polyprime EBF-LV at an approximate rate of 1 gallon/200 sqft split slabs with buried membrane, sandwich slabs with
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(0.21 liters/sqm) or 200 sqft/gallon; this rate may vary on the porosity insulation, slabs over unvented metal pan, magnesite, or
of the substrate. Allow primer to become tack free before moving concrete with a structural integrity less than 3000 psi. Asphalt
to the Coating Application. The point at which the primer is deemed

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