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minutes. Bridge the joints, cracks, and flashings with 4” (10 exclusive of fabric, of superior waterproofing protection.
cm) Straight Jacket Tape pushing it into the paste with a trowel. Requires a continuous coating application to minimize lines
Over Straight Jacket Tape apply a stripe coat of the PC-440SF and/or streaking. Any optional adhesion test is to be performed
and PC-50 mixture and taper it onto the adjacent surface. seven days after product application.
Allow the surface to cure for up to 6 to 8 hours.
Limitations and Requirements
PHASE 2: The following conditions must not be coated with Polycoat Products coating
Prime the surface with Polyprime 21 at a rate of 1 gallon systems or products: Concrete over an unvented metal pan, magnesite,
®
(mixture of Side-A & Side-B)/300 sqft (0.14 liters/m²) or 300 lightweight concrete, asphalt surfaces and asphalt overlays. Concrete must
sqft/gallon. Apply using a brush or phenolic core roller. This will exhibit 3000-psi minimum strength. Concrete surfaces to be coated must be
result in 5 dry mils (125 microns) of coating. Allow Polyprime® trowel finished in compliance with the American Concrete Institute (except that
to become tack free before proceeding to Phase 3. hand troweling is not required), followed by a fine hair brooming, left free of
loose particles, and shall be without ridges, projections, voids and concrete
droppings that would be mechanically detrimental to coating application or
PHASE 3:
Apply a mixture of PC-440SF to the substrate at a rate of 3 function. New concrete and masonry must be cured for 28 days. Concrete
gallons/100 sqft (1.23 liters/sqm or 33 sqft/gallon. Do not mix cleaning (see General Guidelines). The only acceptable grade of plywood is
APA rated exterior grade or better. The appearance and physical characteristics
more material than can be used in 20 minutes. For best results, of the plywood and grade should be considered. Plywood should be new or
apply using a notched trowel or squeegee. A phenolic core cleaned and sanded (see general guidelines). Coating should be applied at least
roller may be used but extra care should be taken to prevent 5°F (3°C) above the dew point.
air bubbles. Spread PC-440SF evenly over the entire surface
resulting in a 48 ± 2 dry mils (1066± 51 microns) membrane. Coverage rates recommended are based on lab conditions, applied at 75°F
Allow PC-440SF to cure before proceeding to Phase 4. PC-50 (24°C) ambient temperature and are intended to be minimum coverage rates
must be added to the PC-440 at a ratio of 1 quart PC-50 to 5 on clean, smooth plywood, and are exclusive of additional amounts needed
gallons PC-440. to fill potholes, spallings, scalling, rough and irregular surfaces. Porosity and
roughness of the substrate, aggregate size, and product temperature will
affect coverage rates. Material mil thickness rates are calculated on theoretical
PHASE 4:
Apply a second coat of PC-440SF at a rate of 1 1/2 gallons/100 sqft coverage for a smooth substrate and do not account for the actual texture or
(0.62 liters/sqm) or 66 sqft/gallon, spread evenly over the entire substrate conditions in the field or at the time of application. Sample mockups on
the projects are recommended to determine the exact coverage rates necessary
surface, resulting in a 24 ± 2 dry mils (610 ± 51 microns) membrane. to waterproof the deck to acceptable standards.
PHASE 5: Equipment should be cleaned with a urethane grade environmentally safe
Broadcast washed, dry, angular sand, heavy, 16 grit (1.18 mm) solvent, as permitted under local regulations, immediately after use. Uncured
or larger aggregate into the final coat of PC-440SF until refusal. materials are sensitive to heat and moisture. The substrate must be structurally
Allow the membrane to cure, remove the excess aggregate, sound and sloped for proper drainage. Polycoat Products assumes no liability
and apply a thin set mortar when ready for tile installation. for substrate defects. Field visits by Polycoat Products personnel are for the
purpose of making technical recommendations only and are not to supervise
When utilizing a mortar bed over the Polycoat-Aquatight™ or provide quality control on the job site.
waterproofing system, allow the completed membrane to cure
prior to installation of the float. A water test can be conducted Warning
after 24 hours. The products in this system contain Isocyanates, Aromatic Hydrocarbons,
Curatives and Solvents.
FINISHED SYSTEM:
When applied as directed, the Polycoat-Aquatightç
waterproofing system will provide 72 dry mils (1829 microns),

Limited Warranty: Please read all information in the General Guidelines, Technical Data Sheets, Guide Specifications and Safety Data Sheets (SDS) before applying material. These
products are for professional use only and preferably applied by professionals who have prior experience with the Polycoat Products materials or have undergone training in application
of Polycoat Products materials. Published technical data and instructions are subject to change without notice. Contact your local Polycoat Products representative or visit our website for
current technical data, instructions, and project specific recommendations.
Polycoat Products warrants its products to be free of manufacturing defects and that they will meet Polycoat Products’ current published physical properties. Seller’s and manufacturer’s
sole responsibility shall be to replace that portion of the product which proves to be defective. There are no other warranties by Polycoat Products of any nature whatsoever expressed or
implied, including any warranty of merchantability or fitness for a particular purpose in connection with this product. Polycoat Products shall not be liable for damages of any sort, including
remote or consequential damages resulting from any claimed breach of any warranty whether expressed or implied. Polycoat Products shall not be responsible for use of this product in a
manner to infringe on any patent held by others. In addition, no warranty or guarantee is being issued with respect to appearance, color, fading, chalking, staining, shrinkage, peeling, normal
wear and tear or improper application by the applicator. Damage caused by abuse, neglect and lack of proper maintenance, acts of nature and/or physical movement of the substrate or
structural defects are also excluded from the limited warranty. Polycoat Products reserves the right to conduct performance tests on any material claimed to be defective prior to any repairs
by owner, general contractor, or applicator.
Disclaimer: All guidelines, recommendations, statements, and technical data contained herein are based on information and tests we believe to be reliable and correct, but accuracy and
completeness of said tests are not guaranteed and are not to be construed as a warranty, either expressed or implied. It is the user’s responsibility to satisfy himself, by his own information and
test, to determine suitability of the product for his own intended use, application and job situation and user assumes all risk and liability resulting from his use of the product. We do not suggest
or guarantee that any hazard listed herein are the only ones which may exist. Neither seller nor manufacturer shall be liable to the buyer or any third person for any injury, loss or damage directly
or indirectly resulting from use of, or inability to use, the product. Recommendations or statements, whether in writing or oral, other than those contained herein shall not be binding upon the
manufacturer, unless in writing and signed by a corporate officer of the manufacturer. Technical and application information is provided for the purpose of establishing a general profile of the
material and proper application procedures. Test performance results were obtained in a controlled environment and Polycoat Products makes no claim that these tests or any other tests
accurately represent all environments. Polycoat Products is not responsible for typographical errors. © 2020 Polycoat Products. All rights reserved. Revision 20200914.DM

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