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Round 1 Bowling and Amusement 12/09/2024 Paradigm Design <br />Main Place Mall Expansion Grand Rapids, MI <br />Santa Ana, California <br />Project #2309147GR <br />JOINT SEALANTS 07 9200 - 5 <br />B.Silicone, Mildew Resistant, Acid Curing, S, NS, 25, NT: Mildew-resistant, single-component, nonsag, plus 25 <br />percent and minus 25 percent movement capability, nontraffic-use, acid-curing silicone joint sealant; <br />ASTM C 920, Type S, Grade NS, Class 25, Use NT. <br />1.Products: Subject to compliance with requirements, provide one of the following: <br />a.BASF Building Systems; Omniplus. <br />b.Dow Corning Corporation; 786 Mildew Resistant. <br />c.GE Advanced Materials - Silicones; Sanitary SCS1700. <br />d.May National Associates, Inc.; Bondaflex Sil 100 WF. <br />e.Tremco Incorporated; Tremsil 200 Sanitary. <br />2.5 LATEX JOINT SEALANTS <br />A.Acrylic Latex: Acrylic latex or siliconized acrylic latex, ASTM C 834, Type OP, Grade NF. <br />1.Products: Subject to compliance with requirements, provide one of the following: <br />a.BASF Building Systems; Sonolac. <br />b.Bostik, Inc.; Chem-Calk 600. <br />c.May National Associates, Inc.; Bondaflex 600 or Bondaflex Sil-A 700. <br />d.Pecora Corporation; AC-20+. <br />e.Tremco Incorporated; Tremflex 834 <br />2.6 ACOUSTICAL JOINT SEALANTS <br />A.Acoustical Joint Sealant: Manufacturer's standard nonsag, paintable, nonstaining latex sealant complying with <br />ASTM C 834. Product effectively reduces airborne sound transmission through perimeter joints and openings <br />in building construction as demonstrated by testing representative assemblies according to ASTM E 90. <br />1.Products: Subject to compliance with requirements, provide one of the following: <br />a.Pecora Corporation; AC-20 FTR or AIS-919. <br />b.USG Corporation; SHEETROCK Acoustical Sealant. <br />2.7 JOINT-SEALANT BACKING <br />A.Sealant Backing Material, General: Nonstaining; compatible with joint substrates, sealants, primers, and other <br />joint fillers; and approved for applications indicated by sealant manufacturer based on field experience and <br />laboratory testing. <br />B.Cylindrical Sealant Backings: ASTM C 1330, Type C (closed-cell material with a surface skin), Type O <br />(open-cell material), or any of the preceding types, as approved in writing by joint-sealant manufacturer for <br />joint application indicated, and of size and density to control sealant depth and otherwise contribute to <br />producing optimum sealant performance.