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<br />Copyright 2002 AIA <br /> <br />MASTERSPEC - SHORT FORM <br /> <br />05/02 <br /> <br />2.2 CONCRETE FLOOR TOPPINGS <br /> <br />2.3 <br />A. <br />B. <br />C. <br />D. <br />E. <br /> <br />A. Emery-Aggregate Concrete Floor Topping: Factory-prepared and dry-packaged mixture of <br />graded, crushed emery aggregate containing not less than 50 percent aluminum oxide, not less <br />than 24 percent ferric oxide, and not more than 8 percent silica; portland cement or blended <br />hydraulic cement; plastidzers; and other admixtures to which only water needs to be added at <br />Project site. <br /> <br />1. <br /> <br />Compressive Strength (28 Days): <br />ASTM C 109/C 109M. <br /> <br />[7000 psi (48 MPa)] <Insert strength>; <br /> <br />B. Iron-Aggregate Concret{: Floor Topping: Factory-prepared and dry-packaged mixture of graded <br />iron aggregate, portland cement, plasticizers, and other admixtures to which only water needs to <br />be added at Project site. <br /> <br />1. Compressive Stn':ngth (28 Days): [10,000 psi (69 MPa)] <Insert strength>; <br />ASTM C 109/C 109M. <br /> <br />CURING MATERIALS <br /> <br />Evaporation Retarder: Waterborne, monomolecular film forming; manufactured for application <br />to fresh concrete. <br /> <br />Absorptive Cover: AASHTO M 182, Class 2, burlap cloth. <br /> <br />Moisture-Retaining Cov,~: ASTM C 171. <br /> <br />Water: Potable. <br /> <br />Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, 25 <br />percent solids content, minimum. <br /> <br />2.4 RELATED MATERIALS <br /> <br />A. Semirigid Joint Filler: Two-component, semirigid, 100 percent solids, [epoxy resin with a <br />Type A Shore durometer hardness of 80] [aromatic polyurea with a Type A Shore <br />durometer hardness range of 90 to 95] per ASTM D 2240. <br /> <br />B. Joint-Filler Strips: [ASTM D 1751, asphalt-saturated cellulosic fiher] [or] [ASTM D 1752, <br />cork or self-expanding cork]. <br /> <br />C. Portland Cement: ASTM C 150, Type I or II. <br /> <br />D. Sand: ASTM C 404, fIne aggregate passing No. 16 (1.18-nnn) sieve. <br /> <br />E. Water: Potable. <br /> <br />F. Acrylic-Bonding Agent: ASTM C 1059, Type II, non-redispersible, acrylic emulsion or styrene <br />butadiene. <br /> <br />CONCRETE FLOOR TOPPING <br /> <br />03532 - 2 <br />