Community College of Allegheny County OCS Security Camera System Pittsburgh, PA
1. One-part, nonacid-curing, silicone sealant complying with ASTM C 920, Type S, Grade NS, Class 25, for uses in non-traffic areas for masonry, glass, aluminum, and other substrates recommended by the sealant manufacturer. 2. One-part, mildew-resistant, silicone sealant complying with ASTM C 920, Type S, Grade NS, Class 25, for uses in non-traffic areas for glass, aluminum, and nonporous joint substrates; formulated with fungicide; intended for sealing interior joints with nonporous substrates; and subject to in-service exposure to conditions of high humidity and temperature extremes. 3. Available Products: Subject to compliance with requirements, products which may be incorporated in the Work include, but are not limited to, the following: a. One-Part, Nonacid-Curing, Silicone Sealant: 1) "Chem-Calk N-Cure 2000," Bostic Construction Products Div. 2) "Dow Corning 790," Dow Corning Corp. 3) "Silglaze N SCS 2501," General Electric Co. 4) "Silpruf SCS 2000," General Electric Co. b. One-Part, Mildew-Resistant, Silicone Sealant: 1) "Dow Corning 786," Dow Corning Corp. 2) "SCS 1702 Sanitary," General Electric Co. 3) "863 #345 White," Pecora Corp. 4) "Rhodorsil 6B White," Rhone-Poulenc, Inc. 5) "Proglaze White," Tremco Corp. 6) "OmniPlus," Sonneborn Building Products Div. D. Acrylic-Emulsion Sealants: One-part, nonsag, mildew-resistant, paintable complying with ASTM C 834 recommended for exposed applications on interior and protected exterior locations involving joint movement of not more than plus or minus 5 percent. 1. Available Products: Subject to compliance with requirements, products which may be incorporated in the Work include, but are not limited to, the following: a. "Chem-Calk 600," Bostik Construction Products Div. b. "AC-20," Pecora Corp. c. "Sonolac," Sonneborn Building Products Div. d. "Tremco Acrylic Latex 834," Tremco, Inc. E. Fire-Resistant Joint Sealers: Two-part, foamed-in-place, silicone sealant formulated for use in through-penetration fire-stopping around cables, conduit, pipes, and duct penetrations through fire- rated walls and floors. Sealants and accessories shall have fire- resistance ratings indicated, as established by testing identical assemblies in accordance with ASTM E 814, by Underwriters' Laboratories, Inc., or other testing and inspection agency acceptable to authorities having jurisdiction. 1. Available Products: Subject to compliance with requirements, products which may be incorporated in the Work include, but are not limited to, the following:
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