KEY MMA ELASTOMERIC DECKING
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KEY MMA ELASTOMERIC DECKING - 1

KEY MMA ELASTOMERIC DECKING DESCRIPTION KEY MMA ELASTOMERIC DECKING SYSTEM is a 100% reactive, rapidly curing methyl methacrylate (MMA) decking system. This system is composed of 100% MMA elastomeric basecoat resins, decorative colored quartz aggregate or silica aggregate, and clear or pigmented MMA top coats. Installed thickness is 3/16” to 1/4” depending on intended service and project requirements. Elastomeric for Absorbing Crack Movement and Substrate Movement VOC Compliant, Meets USGBC LEED Guidelines High Impact and Wear Resistance Textured Finish is Slip Resistant o Cures Over Wide Temperature Range down to -20 F Good Chemical Resistance Solid Color and Decorative Multi-Color Finishes Available Concrete must be dry, free of dirt, waxes, curing agents and other foreign materials. o Do not store outside in direct sunlight, storage temperature must be < 80 F. On or below grade installation must have an efficient vapor barrier under the slab (minimum 10-15 mil). Moisture vapor transmission must be less than 3 pounds per ASTM-F-1869 and less than 80% RH per ASTM F-2170. Excessive moisture requires a moisture vapor control system, consult with Key Resin. Specific sealers must be selected to meet expected service conditions. Consult with Key Resin. TYPICAL USES • • • • • • Balconies Pedestrian Walkways, Decks Vehicular Traffic Decks, Ramps Pool Decks Sports Floors Roof Decks COLORS KEY MMA ELASTOMERIC DECKING SYSTEM is available in a variety of standard blends of colored quartz or pigmented solid colors. Colors will not fade or wear thin. SURFACE PREPARATION Surface preparation is the most critical portion of any successful resinous flooring system. All substrates must be properly prepared as outlined in Key Resin Company’s Technical Bulletin #1. In addition, All Key MMA Flooring Systems require a minimum surface profile of CSP 4-5, as outlined in ICRI Guideline 310.2-1997, formerly named G-03732 (available from www.ICRI.org). Work must be performed by trained or experienced contractors or maintenance personnel. Key MMA Elastomeric Decking; Revision 4/12/2012

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KEY MMA ELASTOMERIC DECKING - 2

MIXING AND INSTALLATION KEY MMA ELASTOMERIC DECKING SYSTEM is composed of a primer, elastomeric basecoats broadcasted with decorative quartz or silica, and clear or pigmented top coats. KEY 9112 MMA primer resin, when properly catalyzed, is spread with a notched squeegee and back rolled at approximately 100 ft²/gallon, followed with a light aggregate broadcast. Substrates that are very porous may require an additional primer application, it is important to achieve a resin-rich layer for proper curing. Refer to KEY 9112 MMA product data sheet for further details. The elastomeric basecoat is...

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KEY MMA ELASTOMERIC DECKING - 3

HELPFUL HINTS Adequate cross ventilation should be provided. Read, understand and follow MSDS and application instructions of the flooring systems prior to use. Use only as directed. If substrate and/or material temperature are above 90°F, DO NOT APPLY MATERIAL. WARRANTY Information regarding Key Resin brand MMA resins and systems is based upon extensive research and experience in the field of applied engineering by the manufacturer Plasti-Chemie GMBH International. By making such information available, Key Resin does not thereby assume any liability beyond express terms of our standard...

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