Walls & Ceilings Architect/January 2008

SPEC SHEET Poly Prep GREEN Name Type Poly Prep One-Component Bonding Cement and Primer For EPS Architectural Foam Hand or machine applied. Merlex Poly Prep is a polymer modified portland cement base material specifically designed for use as a coating and adhesive for architectural EPS foam shapes. It is the ideal base coat for Merlex Stucco Color Coat Finishes. Merlex Poly Prep is a proprietary blend of portland cement, redispersible wet bond copolymers, graded aggregates and specific additives. Application Method Product Overview Benefits • • • • • • • • Provides a high strength, high bond portland cement substrate when used as a coating on EPS foam shapes. Ideal base coat for Merlex Stucco Color Coat finishes. Poly Prep #30 is preferred for use as an adhesive to adhere EPS foam shapes to portland cement substrates, i.e., plasterers' brown coat, tilt up/pre-cast panels; concrete block, etc. An economical method of achieving architectural detail to enhance building design. All ingredients in one package, just add water. Provides a durable, extremely hard, water-resistant surface. Excellent workability, mixes easily, simple to use. Adds aesthetic value to any building. Textures and Substrates Poly Prep is available with #20 and #30 aggregates. Both grades may be used for bonding and coating. Finer Poly Prep #30 is often preferred for use as an adhesive to adhere EPS foam shapes to portland cement substrates, such as plasterers' brown coat, tilt up/pre-cast panels and concrete block. Coarser Poly Prep #20 is often chosen as a base coating. Merlex Poly Prep is packaged in 50lb. (22.68 kg.) moisture resistant poly-lined bags, 49 bags per pallet. Stretch wrapping available at additional cost. Approximate shelf life is 6 months if kept in dry storage. One 50 lb. (22.7 kg) bag will cover approximately 50 to 60 square feet (4.6 to 5.5 m2) as coating or adhesive. Merlex Poly Prep should be mixed with clean water to a consistency of exterior portland cement brown coat. Normally a drill motor with mixing paddle works best. Using slow speed, initial mixing should be stiff (less water) and then gradually loosened up by adding more water (caution should be taken not to over air entrain by using excessive mixer speed). Allow material to sit for approximately 5 minutes, finish mixing (retemper). Merlex Poly Prep may be hand or machine applied. When used as a coating it should be applied in two coats to a total thickness of 3/16" to 1/4" (5 to 7 mm.). Where superior strength is necessary, additional thickness may be required. Please Circle #392 On Reader Action Card Components and Storage Coverage Mixing Application http://www.merlex.com

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Walls & Ceilings Architecture/January 2008 Contents Trade News Special Spec Sheet Section Making EIFS Look Easy ICFs Convert Greenbuild '08 The Finish Line Cracking the Code

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