Page 18 - tmp

spalling, freeze/thaw damage and chemicals commonly *Mixture is four gallons of PC-260 mixed with four gallons of
encountered on these surfaces. It is an elastomeric system dry sand, will yield approximately six gallons of the mixture
designed to expand and contract with normal structural for 100 sqft. Use a notched trowel or notched squeegee to
movements. Installed and maintained properly, the Polydeck spread PC-260 evenly over the entire deck resulting in a 90
®
160MR/160MR-SC Pedestrian Traffic Deck System will ensure ± 2 dry mils (2286 ± 51 microns) thick membrane, exclusive
years of service. Make sure to use the correct grade of product of aggregate.
which complies with VOC regulations/requirements applicable
as per federal, state, statutory, counties, cities and local bodies While PC-260 and sand mixture is still wet and starting to gel
at the place of installation. (approximately 20-30 minutes), broadcast 16-30 mesh (0.595-
1.19 mm) white sand granules onto the PC-260 membrane
Product Instructions (rubber granules should sink only partially into the basecoat) at
For complete information associated with the application of a rate of 10 lbs/100 sqft (0.5 kg/sqm) or as required to achieve
all Polycoat Products decking systems and products, refer a slip-resistant finish. The amount of rubber used will vary.
to the General Guidelines and Technical Data Sheets of the When the PC-260 is stiff enough to walk on without denting,
Polycoat Products catalog, which describes the products, remove all loose aggregate
surface preparation, job conditions, finishing details and other
necessary information. Note: Polycoat basecoats should be applied the same day as the
primer to avoid missing the primer recoat window. If this is not
Coatings Application possible, broadcast heavy with aggregate into the primer to aid in
the adhesion of the basecoat to the primer.
PHASE 1:
Check area of application to ensure that it conforms to the PHASE 4:
®
™
substrate requirements, as stated in the General Guidelines. Apply pigmented Polyglaze 100/100C/100SC or Polyglaze AL-
Prime all joints, cracks, flashings with approved primers as 50/AL-50SC topcoat at a rate of 1 1/4gallon/100 sqft (0.51 liters/
specified below in Phase 2. Apply PC-260 over all joints, cracks, sqm) or 80 sqft/gallon. This coat will result in an additional 15
and flashing. Bridge joints, cracks, and flashings with 4” (10.2 ± 2 dry mils (381 ± 51 microns) thick coating. Topcoat should
cm) Straight Jacket Tape, pushing it into the PC-260 with a be applied within 24 hours of applying PC-260 Sand Slurry.
trowel. Using PC-260 as a caulking compound will shorten If re-coat window has passed, then solvent wipe the surface
®
the curing time appreciably over conventional polyurethane with VOC-compliant solvent and re-prime with Polyprime U.
caulks. Over reinforcement tape, apply a stripe coat of PC-260
and taper it onto the adjacent surface. Allow the surface to OPTIONAL RUBBER AGGREGATE
If a rubber aggregate is to be used instead of sand aggregate,
cure for 1 to 2 hours. A manufacturer approved single or two- Phase 3 and Phase 4 should be applied as follows:
component polyurethane sealant may also be used to bridge
joints, cracks and flashings. PHASE 3:
Apply rubber slurry mixture* of one part mixed PC-260 and
PHASE 2: one part rubber granules (see mixing instructions for PC-
Substrates other than new plywood are to be primed. Primer 260; 1:1 ratio by volume) to substrate through metal lath
is optional for new plywood. Metal and concrete which have to encapsulate metal lath at 6 gallons/100 sqft (2.46 liters/
been cleaned should be primed with Polyprime 2180SC sqm). *Mixture is five gallons (18.9 liters) of PC-260 mixed
®
at a rate of 1 gallon/300 sqft (0.14 liters/sqm) or 300 sqft/ with five gallons (18.9 liters) of rubber granules, will yield
gallon. Apply using a brush or a 3/8” (0.965 cm) nap phenolic approximately six gallons of Mixture for 100 sqft. Size and
core roller. This will result in a 4 dry mils (102 microns) thick porosity of rubber will vary.
membrane.
While PC-260 and rubber slurry mixture is still wet and starting
Note: For rough or porous concrete or when outgassing is a concern, to gel, broadcast 16-30 white rubber granules onto the PC-260
®
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 membrane (rubber granules should sink only partially into the
of the substrate. Allow primer to become tack free before moving to basecoat) at a rate of 10 lbs/100 sqft (0.5 kg/sqm) or as required
the Coating Application. The point at which the primer is deemed as to achieve a slip-resistant finish. The amount of rubber used
tack free is when the primer passes thumbprint test. The thumbprint will vary. When the PC-260 is stiff enough to walk on without
test is defined by when a thumbprint is left in the primer and primer denting, remove all loose aggregate.
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
wipe surface with VOC-compliant solvent and re-prime the surface. PHASE 4:
Apply pigmented Polyglaze 100/100C/100SC or Polyglaze AL-
®
®
PHASE 3: 50/AL-50SC topcoat at a rate of 11/4 gallon/100 sqft (0.51 liters/
Fasten 2.5 lbs/sqm hot dipped, galvanized metal lath to deck. sqm) or 80 sqft/gallon. This coat will result in an additional 15
Apply sand slurry mixture* of One part mixed PC-260 and ± 2 dry mils (381 ± 51 microns) thick coating. Topcoat should
One Part Sand (see mixing instructions for PC-260; 1:1 ratio be applied within 24 hours of apply PC-260 Sand Slurry. If
by volume, 1/20 grit sand) to substrate through metal lath to re-coat window has passed, then solvent wipe the surface
encapsulate metal lath at 6 gallons/100 sqft (2.46 liters/sqm). with VOC-compliant solvent and re-prime with Polyprime U.
®

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 2.5
wpsales@polycoatusa.com | www.polycoatusa.com