Page 80 - Polycoat 1.1 Table of Contents

system with properties allowing it to expand and contract with (608 ± 50 microns) thick membrane. Allow PC-260 to cure
normal structural movements. It can be applied to protect before proceeding to Phase 4.
surfaces against spalling, freeze/thaw damage, and chemicals
commonly encountered on pedestrian decks. It will neither PHASE 4:
™
soften in heat nor embrittle in the cold. Recommended system Apply Poly-I-Gard 295 at a rate of 1.2 gallon/100 sqft (0.49
coverage mil thickness: heavy vehicular traffic systems 56 dry liters/sqm) or 83 sqft/gallon. Immediately broadcast washed,
mils (1422 microns). Make sure to use the correct grade of dry, rounded sand, 2-16 or 16-30 mesh (1.19 mm), 6.5+ Mohs
product which complies with VOC regulations/requirements minimum hardness at a rate of 40 lbs/100 sqft (1.95 kg/sqm) or
applicable as per federal, state, statutory, counties, cities and as required to achieve a slip-resistant finish and immediately
local bodies at the place of installation. backroll the sand into the wet coating so that the sand is fully
encapsulated. This coat will result in an additional minimum
Product Instructions 19 dry mils (482 microns) thick membrane, exclusive of
For complete information associated with the application of aggregate.
all Polycoat Products decking systems and products, refer
to the General Guidelines and Technical Data Sheets of the PHASE 5:
Polycoat Products catalog, which describes the products, Apply Poly-I-Gard 295 over 100 sqft/gallon. Immediately
™
surface preparation, job conditions, finishing details and other broadcast washed, dry, rounded sand, 2-16 or 16-30 mesh
necessary information. (1.19 mm), 6.5+ Mohs minimum hardness at a rate of 10-20
lbs/100 sqft 0.49 - 0.98 kg/sqm) or as required to achieve a
Coatings Application slip-resistant finish and immediately backroll sand into the
PHASE 1: wet coating so that the sand is fully encapsulated. This coat
Check area of application to ensure that it conforms to the will result in an additional 15 ± 2 dry mils thick membrane,
substrate requirements as stated in the General Guidelines. exclusive of aggregate.
Prime all joints, cracks, flashings with approved primers as
specified below in Phase 2. Apply PC-260 over all joints, cracks, FINISHED SYSTEM:
and flashing. Bridge joints, cracks, and flashings with 4” (10.2 When applied as directed, the Poly-I-Gard 575FR (Fire Rated,
™
cm) Straight Jacket Tape, pushing it into the PC-260 with a Class A) Vehicular Traffic Deck System will provide 56 dry mils
trowel. Using PC-260 as a caulking compound will shorten (1422 microns) of superior waterproofing protection. Requires
the curing time appreciably over conventional polyurethane a continuous coating application to minimize lines and/or
caulks. Over reinforcement tape, apply a stripe coat of PC-260 streaking. Any optional adhesion test is to be performed seven
and taper it onto the adjacent surface. All cracks in concrete days after product application.
substrates must be treated per Polycoat Architectural Details.
Allow the surface to cure for 4 to 6 hours. STRIPING:
It is recommended that an Epoxy paint is used for line striping.
PHASE 2: Limitations
Concrete should be primed with Polyprime 21 or Polyprime The following conditions must not be coated with Polycoat
®
®
2180SC at a rate of 1 gallon/300 sqft or 300 sqft/gallon. Apply Products deck coating systems or products: on grade slabs,
using a brush or phenolic core roller. This will result in a 4 split slabs with buried membrane, sandwich slabs with
dry mils (102 micron) thick membrane. Metal should only be insulation, slabs over unvented metal pan, magnesite, or
primed with Polyprime 2180SC at a rate of 1 gallon/300 sqft concrete with a structural integrity less than 3000 psi. Asphalt
®
or 300 sqft/gallon. Allow Polyprime to become tack free before surfaces and asphalt overlays may be coated with Polycoat
®
proceeding to Phase 3.
decking systems if first coated with the Polycoat™ PC-IM 129.
Note: For rough or porous concrete or when outgassing is a concern,
use Polyprime EBF-LV at an approximate rate of 1 gallon/200 sqft Concrete must exhibit 3000 psi minimum strength. Concrete
®
(0.20 liters/sqm) or 200 sqft/gallon; this rate may vary on the porosity surfaces to be coated must be trowel finished in compliance with
of the substrate. Allow primer to become tack free before moving to the American Concrete Institute (except that hand troweling
the Coating Application. The point at which the primer is deemed tack is not required), followed by a fine-haired brooming, left free
free is when the primer passes thumbprint test. The thumbprint test is of loose particles, and shall be without ridges, projections,
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 voids and concrete droppings that would be mechanically
free for more than 12 hours, it is necessary to solvent wipe surface detrimental to coating application or function.
with VOC-compliant solvent and re-prime the surface.
New concrete must be cured for 28 days (see General
PHASE 3: Guidelines). Polycoat Products coating systems should not
Apply PC-260 to substrate at a rate of 1.5 gallons/100 sqft (0.61 be subjected to rising water tables or hydrostatic pressure on
liters/sqm) or 66 sqft/gallon. For best results, use a 1/8” (0.32 slab-on-grade decks. The only acceptable grade of plywood
cm) notched trowel or notched squeegee. A 3/8” (0.965 cm) is APA rated exterior grade or better. The appearance and
nap phenolic core roller may be used, but extra care should physical characteristics of the plywood and grade should be
be taken to prevent air bubbles. Spread mixed PC-260 evenly considered. Plywood should be new or cleaned and sanded
over the entire deck resulting in a minimum 24 ± 2 dry mils

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 3.5
wpsales@polycoatusa.com | www.polycoatusa.com