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specified percentage change in the joint width existing at time of installation and remain in <br /> compliance with other requirements of AST'MaCa920 for Uses indicated. <br /> B. Pigmented Narrow Joint Sealant: Manufacturer's standard,solvent-release-curing, <br /> pigmented synthetic rubber sealant complying with AAMAa803.3 and formulated for sealing joints 3/16 inch <br /> or smaller in width. <br /> C. Available Products: Subject to compliance with requirements. <br /> D. Products: Subject to compliance with requirements. <br /> 1. Acrylic Sealant: • <br /> 2. Butyyl Sealant: <br /> 3. Pigmented Nanow Joint Sealant: <br /> a. "PTI 200,"Protective Treatments,Inc. <br /> 2.3 LATEX JOINT SEALANTS <br /> A. General: Provide manufacturer's standard one-part,nonsag,mildew-resistant,paintable latex <br /> sealant of formulation indicated that is recommended for exposed applications on interior and protected exterior <br /> locations and that accommodates indicated percentage change in joint width existing at time of installation <br /> without failing either adhesively or cohesively. <br /> B. Acrylic-Emulsion Sealant: Provide product complying with ASTMaC�834 that <br /> accommodates joint movement of not more than 5 percent in both extension and compression for a total of 10 <br /> percent. <br /> C. Silicone Emulsion Sealant: Provide product complying with AST'M�Ca834 and,except for <br /> weight loss measured per ASTMaCa792,with ASTMaCa920 that accommodates joint movement of not more <br /> than 25 percent in both extension and compression for a total of 50 percent. <br /> D. Products: Subject to compliance with requirements. <br /> 1. Acrylic-Emulsion Sealant: <br /> 2. Silicone-Emulsion Sealant: <br /> 2.4 TAPE SEALANTS <br /> A. Tape Sealant: Manufacturer's standard,solvent-free,butyl-based tape sealant with a solids <br /> content of 100 percent formulated to be nonstaining,paintable,and nonmigrating in contact with nonporous <br /> surfaces with or without reinforcement thread to prevent stretch and packaged on rolls with a release paper on <br /> one side. <br /> 2.5 PREFORMED FOAM SEALANTS <br /> A. Preformed Foam Sealants: Manufacturer's standard preformed,precompressed, impregnated <br /> open-cell foam sealant manufactured from high-density urethane foam impregnated with a nondrying,water <br /> repellent agent;factory-produced in precompressed sizes and in roll or stick form to fit joint widths indicated <br /> and to develop a watertight and airtight seal when compressed to the degree specified by manufacturer; and <br /> complying with the following requirements: <br /> l. elastic,mildew-resistant,nonmigratory,nonsta.ining,and compatible with joint substrates and <br /> other joint sealants. <br /> Page 3 of 5 <br />