Page 72 - Polycoat 1.1 Table of Contents

specified below in Phase 2. Apply a two-part paste consisting to achieve a slip-resistant finish. This coat will result in an
of PC-235/235SC and PC-50 over all joints, cracks, and flashing. additional 12 ± 2 dry mils (305 microns) thick membrane,
Mixing ratio is 1/2 pint of PC-50 to 1 gallon of PC-235/235SC exclusive of aggregate. Allow Poly-I-Gard 246/246SC to cure
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(0.24 liters per 3.78 liters) or 1 quart PC-50 to 5 gallons of PC- before removing all loose aggregate.
235/235SC (0.9 liters per 18.9 liters). Do not mix more material
than can be used in 20 minutes. Bridge the joints, cracks, and PHASE 6:
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flashings with 4” (10.2 cm) Straight Jacket Tape, pushing it Apply a final coat of Polyglaze 100/100C/100SC or Polyglaze
into the paste with a trowel. Over Straight Jacket Tape, apply AL-50/50SC topcoat at the rate of 1 gallon/100 sqft (0.41 liters/
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a stripe coat of the PC-235/235SC and PC-50 mixture and taper sqm) or 100 sqft/gallon over the cured Poly-I-Gard 246/246SC
it onto the adjacent surface. All cracks in concrete substrates with aggregate. This coat will result in an additional minimum
must be treated per Polycoat Architectural Details. Allow the 12 ± 2 dry mils (254 microns) thick membrane. At 75°F (24°C)
surface to cure for 6 to 8 hours. and 50% relative humidity, allow 24 hours before permitting
light foot traffic. Keep all vehicular traffic off the finished Poly-
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PHASE 2: I-Gard 435/435SC Vehicular Traffic Deck System for at least
Concrete and metal should be primed with Polyprime 2180SC 72 hours.
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at a rate of 1 gallon (mixture of Side-A & Side-B)/300 sqft (0.14
liters/sqm) or 300 sqft/gallon. Apply using a brush or phenolic OPTIONAL CURE:
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core roller. This will result in a 3 dry mils (76 microns) thick The use of Polyglaze Hardener will shorten cure time to 6 to
membrane. 8 hours for each coat an ambient temperature of 75°F (24°C).
Recoats should occur 8-12 hours of when surface becomes
Note: For rough or porous concrete or when outgassing is a concern, tack-free. If Polyglaze Hardener is used to accelerate curing
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use Polyprime EBF-LV at an approximate rate of 1 gallon/200 sqft then re-coat window for the subsequent coat is reduced to
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(0.21 liters/sqm) or 200 sqft/gallon; this rate may vary on the porosity 24 hours after cure. If the recoat window has passed, then
of the substrate. Allow primer to become tack free before moving to solvent wipe the surface with VOC-compliant solvent and
the Coating Application. The point at which the primer is deemed tack
free is when the primer passes thumbprint test. The thumbprint test is re-prime surface.
defined by when a thumbprint is left in the primer and primer does not
transfer to the thumb. If the primer has been allowed to remain tack FINISHED SYSTEM:
free for more than 12 hours, it is necessary to solvent wipe surface When applied as directed, the Poly-I-Gard 435/435SC
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with VOC-compliant solvent and re-prime the surface. A manufacturer Vehicular Traffic Deck System will provide 43 ± 5 dry mils
approved single or two-component polyurethane sealant may also (1092 ± 125 dry microns) and 54 ± 5 dry mils (1372 ± 125 dry
be used to bridge joints, cracks and flashings.
microns) on ramps, turn radii, and other heavy traffic areas,
PHASE 3: exclusive of aggregate, of superior waterproofing protection
Apply PC-235/235SC to substrate at a rate of 1 1/2 gallons/100 with the assurance of a Class A Fire Rating.
sqft (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” Requires a continuous coating application to minimize lines
(0.965 cm) nap phenolic core roller may be used, but extra and/or streaking. Any optional adhesion test is to be performed
care should be taken to prevent air bubbles. Spread mixed PC- seven days after product application.
235/235SC evenly over the entire deck resulting in a minimum
19 ± 2 dry mils (458 microns) thick membrane. Allow PC- STRIPING:
235/235SC to cure before proceeding to Phase 4. It is recommended that an epoxy paint is used for line striping.
Limitations
PHASE 4:
Over ramps, turn radii, and other heavy traffic areas only, The following conditions must not be coated with Polycoat
apply Poly-I-Gard 246/246SC at a rate of 1 gallon/100 sqft (0.41 Products deck coating systems or products: on grade slabs,
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liters/sqm) or 100 sqft/gallon. Immediately broadcast washed, split slabs with buried membrane, sandwich slabs with
dry, rounded sand, 10-15 mesh (0.841-1.19 mm), 6.5+ Mohs insulation, slabs over unvented metal pan, magnesite, or
minimum hardness at a rate of 10 lbs/100 sqft (0.5 kg/sqm) concrete with a structural integrity less than 3000 psi. Asphalt
or as required to achieve a slip-resistant finish. This coat will surfaces and asphalt overlays may be coated with Polycoat
result in an additional minimum 11 ± 2 dry mils (305 microns) decking systems if first coated with the Polycoat™ PC-IM 129.
thick membrane, exclusive of aggregate. Allow Poly-I-Gard Concrete must exhibit 3000 psi minimum strength. Concrete
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246/246 SC to cure before removing all loose aggregate.
surfaces to be coated must be trowel finished in compliance with
the American Concrete Institute (except that hand troweling
PHASE 5:
Apply Poly-I-Gard 246/246SC over the entire surface, is not required), followed by a fine-haired brooming, left free
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including heavy traffic areas, at a rate of 1 gallon/100 sqft (0.41 of loose particles, and shall be without ridges, projections,
liters/sqm) or 100 sqft/gallon. Immediately broadcast washed, voids and concrete droppings that would be mechanically
dry, rounded sand, 20 mesh (1.19 mm), 6.5+ Mohs minimum detrimental to coating application or function.
hardness at a rate of 10 lbs/100 sqft (0.5 kg/sqm) or as required

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