Page 20 - Polycoat 1.1 Table of Contents
P. 20
Product Instructions before proceeding with the next coat/phase.
For complete information associated with the application of PHASE 4:
all Polycoat Products decking systems and products, refer Apply a second coat of PC-220SC at a rate of 3/4 gallon/100
to the General Guidelines and Technical Data Sheets of the sqft (0.31 liters/sqm) or 125 sqft/gallon. Immediately broadcast
Polycoat Products catalog, which describes the products, washed, dry, rounded sand, 20 mesh (0.841 mm), 6.5+ Mohs
surface preparation, job conditions, finishing details and other minimum hardness, at a rate of 20 lbs/100 sqft (1 kg/sqm)
necessary information. or as required to achieve a slip-resistant finish, into the wet
second coat, covering it completely. This coat will result in an
Coatings Application 11 ± 2 dry mils (279 ± 51 microns) thick membrane, exclusive of
PHASE 1: aggregate. After allowing to cure, remove all loose aggregate.
Check area of application to ensure that it conforms to the Recoats must be done within 24 hours of cure.
substrate requirements, as stated in the General Guidelines.
Prime all joints, cracks, flashings with approved primers as PHASE 5:
specified below in Phase 2. Apply PC-260 over all joints, cracks, Apply desired color of Polyglaze 100SC or Polyglaze AL-50SC
®
®
and flashing. Bridge joints, cracks, and flashings with 4” (10.2 topcoat at a rate of 1 gallon/100 sqft (0.41 liters/sqm) or 100
cm) Straight Jacket Tape, pushing it into the PC-260 with a sqft/gallon. For best results, use a 3/8 inch (0.965 cm) nap
trowel. Using PC-260 as a caulking compound will shorten phenolic core roller. This coat will result in an additional 12 ±
the curing time appreciably over conventional polyurethane 2 dry mils (305 ± 51 microns) thick membrane.
caulks. Over reinforcement tape, apply a stripe coat of PC-260
and taper it onto the adjacent surface. Allow the surface to Optional Fast Cure
cure for 1 to 2 hours. A manufacturer approved single or two- BASECOAT:
component polyurethane sealant may also be used to bridge The addition of PC-50 will shorten cure time to 3-5 hours for
joints, cracks, and flashings. each coat an ambient temperature of 75°F (24°C). Recoats
should occur within 12 hours after cure. If recoat window has
PHASE 2: passed, then solvent wipe the surface with VOC-compliant
Substrates other than new plywood are to be primed. Primer solvent and re-prime with Polyprime U.
®
is optional for new plywood. Metal and concrete which have
been cleaned should be primed with Polyprime 2180SC TOPCOAT:
®
at a rate of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/ The addition of Polyglaze Hardener will shorten cure time to
®
gallon. Apply using a brush or a 3/8 inch (0.965 cm) phenolic 2-4 hours for each coat. Recoats should occur 8-12 hours of
core roller. This will result in a 4 dry mils (102 microns) thick when the surface becomes tack-free. If Polyglaze Hardener
®
membrane. is used to accelerate curing, then the recoat window for the
subsequent coat is reduced to 24 hours after cure. If the recoat
Note: For rough or porous concrete or when outgassing is a concern, window has passed, then solvent wipe the surface with VOC-
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 compliant solvent and re-prime surface.
of the substrate. Allow primer to become tack free before moving to
the Coating Application. The point at which the primer is deemed as SLOPING, CONCRETE REPAIR, CRACK FILLING:
tack free is when the primer passes thumbprint test. The thumbprint For sloping, concrete repair or to fill cracks, use PC-260 neat
test is defined by when a thumbprint is left in the primer and primer or add sand/rubber granules from 0.5 to 1.5 by volume into
does not transfer to the thumb. If the primer has been allowed to mixed PC-260.
remain tack free for more than 12 hours, it is necessary to solvent
wipe surface with VOC-compliant solvent and re-prime the surface.
FINISHED SYSTEM:
PHASE 3: When applied as directed, the Polydeck 100SC Pedestrian
®
Apply PC-220SC to the substrate at a rate of 1.5 gallon/100 Traffic Deck System will provide 44 ± 5 dry mils (1118 ± 125 dry
sqft (0.62 liters/sqm) or 66 sqft/gallon. For best results, use a microns), exclusive of aggregate, of superior waterproofing
1/8 inch (0.32 cm) notched trowel or notched squeegee. A 3/8 protection. The system requires a continuous coating
inch (0.965 cm) nap phenolic core roller, may be used but extra application to minimize lines and/or streaking. Any optional
care should be taken to prevent air bubbles. Spread mixed adhesion test is to be performed seven days after product
PC-220SC evenly over the entire deck resulting in a 21 ± 2 dry application.
mils (533 ± 51 microns) thick membrane. Allow PC-220SC to
cure before proceeding to Phase 4. Recoats must be done Limitations
within 24 hours of cure. The following conditions must not be coated with Polycoat
Products deck coating systems or products: on grade slabs,
Note: Polycoat basecoats should be applied the same day as the split slabs with buried membrane, sandwich slabs with
primer to avoid missing the primer recoat window. If this is not insulation, slabs over unvented metal pan, magnesite, or
possible, broadcast heavy with aggregate into the primer to aid in concrete with a structural integrity less than 3000 psi. Asphalt
the adhesion of the basecoat to the primer. Do not exceed recoat
window of 12 hours after cure and if the recoat window is passed, then surfaces and asphalt overlays may be coated with Polycoat
solvent wipe the surface with VOC-compliant solvent and re-prime decking systems if first coated with the Polycoat™ PC-IM 129.
POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 2.2
wpsales@polycoatusa.com | www.polycoatusa.com