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Application sandwich slabs with insulation, slabs over unvented metal
PC-280 should be applied at a temperature of 20°F (-6°C) and pan, magnesite, and non-structural lightweight concrete. On
above. grade slabs may receive Polycoat system coatings provided
a moisture-vapor transmission test is first performed. Please
For best results, use a squeegee or notched trowel. A phenolic contact Polycoat technical department with the results.
resin core roller may be used but extra care should be taken
not to trap air which may result in bubbles. With regard to coating asphalt surfaces, please contact
Polycoat technical department.
Requires a continuous coating application to minimize lines
and/or streaking. Surfaces must be dry, clean and free of foreign matter.
Clear coating may turn opaque and cloudy due to moisture
It is recommended to apply an aggregate of washed, dry, penetration, especially in exterior applications. Surface may
rounded sand, approximately 16 or 20 mesh (0.84-1.19 mm), be slippery when wet. Containers that have been opened
6.5+ Mohs minimum hardness at a rate of 20 lbs/100 sqft (1 must be used as soon as possible. Do not dilute under any
kg/sqm) or as required to achieve a slip-resistant finish, into circumstance.
the wet second coat, covering it completely. Broadcast sand
until refusal and when the coating is dry, remove extra loose Warning:
sand, preferably by vacuum. This product contains Isocyanates and Curative Material.
An aggregate of 14-30 mesh (0.56-1.41 mm) rubber granules
may be broadcast into the membrane at a rate of 10 lbs/100
sqft (0.5 kg/sqm) or to refusal. The amount of rubber used
will vary. When coating starts to gel in approximately 20 to
30 minutes, broadcast 14-30 mesh (0.56-1.41 mm) rubber
granules until refusal. The quantity amount of rubber granules
will vary (normal usage is 20 lbs/100 sqft for 1 kg/sqm). When
the coated surface is stiff enough to support the weight of
installer without damaging the coating or when the coating
is dry (approximately 4-6 hours), remove all loose aggregate,
preferably by vacuum.
Curing
At 75°F (24°C) and 50% relative humidity, allow each coat to
cure for 2-4 hours before proceeding subsequent coats. Cure
time will vary depending on temperature and humidity. If more
than 48 hours passes between coats, re-prime the surface with
®
Polyprime U before proceeding.
Cleanup
Equipment should be cleaned with an environmentally safe,
polyurethane-grade solvent (alcohol free) as permitted under
local regulations immediately after use.
Storage
PC-280 has a shelf life of 1 year from date of manufacture in
original, factory-sealed containers when stored indoors at a
temperature between 60-95°F (15-35°C).
Limitations
This product is not UV Stable.
The following conditions must not be coated with Polycoat
deck coatings or systems: split slabs, buried membrane,

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 20200916.DM

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