502 RC-W Elasto-Kote


Karnak #502 RC-W Elasto-Kote is a highly elastic solvent based thermoplastic exterior waterproof coating. The coating has excellent color stability, weatherability and flexibility. Karnak #502 RC-W Elasto Kote has outstanding surface appearance and durability against salt spray, acid rain and ultra-violet sunlight.









USES


Karnak #502 RC-W Elasto-Kote is intended for use on concrete block, brick, cinder block, concrete, stucco, steel, wood, galvanized metal and previously coated surfaces. Do not apply over asphaltic surfaces.

SURFACE PREPARATION


Allow fresh masonry to cure for 30 days before application of Karnak #502 RC-W Elasto-Kote. Surface to be coated should be clean, free from dirt, dust, grease, oil and loose paint. Patch and repair all cracks or holes with appropriate sealants or caulking materials.

APPLICATION


Roller application should be made in a two coat application so as to allow a total dry film thickness of a minimum of 16 mils.

ROLLER APPLICATION: Apply Karnak #229 AR-Elastomeric brush grade to horizontal surfaces using a wide, fibered roof brush at the rate of 2 to 4 gallons per 100 sq. ft..

BRUSH APPLICATION: When brushing, make sure Karnak #502 RC-W Elasto-Kote is not applied too thin, and brush out all overlap marks.

SPRAY APPLICATION: Spray in a cross hatch method so as to achieve a pinhole-free surface. Utilize a standard spray pump. Equipment manufacturer should be consulted for more complete information.


ARCHITECTURAL COLORS


Standard colors are: White & Gray; Tan, Terra Cotta Red, and Patina Green are available for of 210 gallons or greater.

COVERAGE RATE


Apply Karnak #502 RC-W Elasto-Kote Self-Priming Base Coat first at the rate of 1 to 1.5 gallons per 100 sq. ft. and allow to dry. Complete by applying #502 RC-W Elasto-Kote Finish Coat at the rate of 1 to 1.5 gallons per 100 sq.ft. Coverage rate will vary due to texture and porosity of the surface. Film thickness should be approximately 16-19 mils dry and 32-48 mils wet. Karnak #502 RC-W Elasto-Kote will take approximately 24 hours to cure.

CARE OF TOOLS


Tools may be cleaned with xylol, mineral spirits or lacquer solvents. Take necessary safety precautions when handling flammable materials.

PHYSICAL PROPERTIES


  • Hardness, Shore A: 65, ASTM D-2240
  • Elongation: 650%, ASTM D-412
  • Elongation - Trowel: 500% ASTM D-412
  • Abrasion Resistance: 8 mg.,lost per ton, ASTM D-986
  • Moisture Vapor Trans: 0.25, ASTM D-1653
  • Water Absorption (7 days): 0.4%, ASTM D-471
  • Dry Time: 4 to 6 hours @ 77°F - 50% Relative Humidity

CAUTION


Do not use near open flame. Avoid breathing solvent fumes and prolonged contact with skin. do not take internally. If swallowed, do not induce vomiting. Call a physician immediately. Keep out of reach of children. Keep container covered when not in use. Do not thin. Dispose of in an environmentally safe manner.

PACKAGING


Available in 5 gallon pails and 55 gallon drums.

If further information is required, please contact Karnak’s Technical Service Department at 800-526-4236.

PER NRCA, (NATIONAL ROOFING CONTRACTORS ASSOCIATION) "THE CRITERIA FOR JUDGING PROPER SLOPE FOR DRAINAGE IS THAT THERE BE NO EVIDENCE OF STANDING WATER ON THE DECK 48 HOURS AFTER IT STOPS RAINING."

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Kanopy Reflective Roof Maintenance Solutions
  • Reduce Energy Use
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  • Extend the life of the roof
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