Page 40 - Polycoat 1.1 Table of Contents

bodies at the place of installation. 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
solvent wipe the surface with VOC-compliant solvent and re-prime
to the General Guidelines and Technical Data Sheets of the 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 Polyglaze AR/AR-OF at a rate of 1 gallon/100 sqft (0.41
liters/sqm) or 100 sqft/gallon. Immediately broadcast washed,
Coatings Application dry, rounded sand, 20 mesh (0.841 mm), 6.5+ Mohs minimum
PHASE 1: hardness, at a rate of 20 lbs/100 sqft (1 kg/sqm) or as required
Check area of application to ensure that it conforms to the to achieve a slip-resistant finish, into the wet second coat,
substrate requirements, as stated in the General Guidelines. covering it completely. This coat will result in an additional 12
Prime all joints, cracks, flashings with approved primers as ± 2 dry mils (305 ± 51 microns) thick membrane, exclusive of
specified below in Phase 2. Apply PC-260 over all joints, cracks, aggregate. After allowing to cure, remove all loose aggregate.
and flashing. Bridge joints, cracks, and flashings with 4” (10.2
cm) Straight Jacket Tape, pushing it into the PC-260 with a PHASE 5:
trowel. Using PC-260 as a caulking compound will shorten Apply desired color of Polyglaze 100/100C/100SC or Polyglaze ®
®
the curing time appreciably over conventional polyurethane AL-50/50SC topcoat at a rate of 1 gallon/100 sqft (0.41 liters/
caulks. Over reinforcement tape, apply a stripe coat of PC-260 sqm). For best results, use a 3/8 inch (0.965 cm) nap phenolic
and taper it onto the adjacent surface. Allow the surface to core roller. This coat will result in an additional 12 ± 2 dry mils
cure for 1 to 2 hours. A manufacturer approved single or two- (305 ± 51 microns) thick membrane.
component polyurethane sealant may also be used to bridge
joints, cracks, and flashings. OPTIONAL FAST CURE:
Basecoat: The addition of PC-50 will shorten cure time to 3-5
PHASE 2: hours for each coat. Recoats should occur within 12 hours
Substrates other than new plywood are to be primed. Primer after cure. If re-coat window has passed, then solvent wipe
is optional for new plywood. Metal and concrete which have the surface with VOC-compliant solvent and re-prime with
been cleaned should be primed with Polyprime 2180SC at Polyprime U.
®
a rate of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/gallon.
Apply using a brush or phenolic core roller. This will result in Topcoat: The addition of Polyglaze Hardener will shorten
®
a 4 dry mils (102 microns) thick membrane. cure time to 2 - 4 hours for each coat. Recoats should occur
within 8-12 hours of when the surface becomes tack-free. If
Note: For rough or porous concrete or when outgassing is a concern, Polyglaze Hardener is used to accelerate curing then re-coat
®
use Polyprime EBF-LV at an approximate rate of 1 gallon/200 sqft window for the subsequent coat is reduced to 24 hours after
®
(0.21 liters/sqm) or 200 sqft/gallon; this rate may vary on the porosity
of the substrate. Allow primer to become tack free before moving to cure. If the recoat window has passed, then solvent wipe the
the Coating Application. The point at which the primer is deemed as surface with VOC-compliant solvent and re-prime surface.
tack free is when the primer passes thumbprint test. The thumbprint
test is defined by when a thumbprint is left in the primer and primer SLOPING, CONCRETE REPAIR, CRACK FILLING:
does not transfer to the thumb. If the primer has been allowed to For sloping, concrete repair or to fill cracks, use PC-260 neat
remain tack free for more than 12 hours, it is necessary to solvent or add sand/rubber granules from 0.5 to 1.5 by volume into
wipe surface with VOC-compliant solvent and re-prime the surface.
mixed PC-260.
PHASE 3:
Apply two aromatic basecoats of PC-220/220SC to the substrate FINISHED SYSTEM:
at a rate of 2 gallons/100 sqft (0.82 liters/sqm) or 200 sqft/ When applied as directed, the Polydeck 180/180SC Pedestrian
®
gallon for each coat, resulting in a total of 44 ± 2 dry mils (1118 Traffic Deck System will provide 68 ± 5 dry mils (1727 ± 125 dry
± 51 microns) thick membrane. During the application of each microns), exclusive of aggregate, of superior waterproofing
coat, spread the mixed PC-220/220SC evenly over the entire protection. The system requires a continuous coating
deck resulting in a 22 ± 2 dry mils (559 ± 51 microns) thick application to minimize lines and/or streaking.
membrane. Allow the first coat of PC-220/220SC to cure before
applying the second coat. For best results, use a 1/8” (0.32 Limitations
cm) notched trowel or notched squeegee. A 3/8” (0.965 cm) The following conditions must not be coated with Polycoat
nap phenolic core roller may be used, but extra care should Products deck coating systems or products: on grade slabs,
be taken to prevent air bubbles. Allow PC-220/220SC second split slabs with buried membrane, sandwich slabs with
coat to cure before proceeding to Phase 4. Recoats must be insulation, slabs over unvented metal pan, magnesite, or
done within 24 hours of cure. concrete with a structural integrity less than 3000 psi. Asphalt
surfaces and asphalt overlays may be coated with Polycoat

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