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D. Single -Component Nonsag Polysulfide Sealant: <br />1. Available Products: <br />a. Pacific Polymers, Inc.; Elastoseal 230 Type I (Gun Grade). <br />b. Polymeric Systems Inc.; PSI -7000. <br />2. Type and Grade: S (single component) and NS (nonsag). <br />3. Class: 25. <br />4, Use Related to Exposure: NT (nontraffic). <br />5. Uses Related to Joint Substrates: M, G, A, and, as applicable to joint substrates indicated, O. <br />2.4 LATEX JOINT SEALANTS <br />A. Latex Sealant: Comply with ASTM C 834, Type P, Grade NF, <br />B. Available Products: <br />1. Pecora Corporation; AC -20+. <br />2. Sonnebom, Division of ChemRex Inc.; Sonolac. <br />3. Tremco; Tremflex 834. <br />2.5 JOINT -SEALANT BACKING <br />A. General: Provide sealant backings of material and type that are nonstaining; are compatible with joint <br />substrates, sealants, primers, and other joint fillers; and are approved for applications indicated by sealant <br />manufacturer based on field experience and laboratory testing. <br />B. Elastomeric Tubing Sealant Backings: Neoprene, butyl, EPDM, or silicone tubing complying with <br />ASTM D 1056, nonabsorbent to water and gas, and capable of remaining resilient at temperatures down <br />to minus 26 deg F (minus 32 deg C). Provide products with low compression set and of size and shape to <br />provide a secondary seal, to control sealant depth, and to otherwise contribute to optimum sealant <br />performance. <br />Co Bond -Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for <br />preventing sealant from adhering to rigid, inflexible joint -filler materials or joint surfaces at back of joint <br />where such adhesion would result in sealant failure. Provide self-adhesive tape where applicable. <br />2.6 MISCELLANEOUS MATERIALS <br />A. Primer: Material recommended by joint -sealant manufacturer where required for adhesion of sealant to <br />joint substrates indicated, as determined from preconstruction joint -sealant -substrate tests and field tests. <br />B. Cleaners for Nonporous Surfaces: Chemical cleaners acceptable to manufacturers of sealants and sealant <br />backing materials, free of oily residues or other substances capable of staining or harming joint substrates <br />and adjacent nonporous surfaces in any way, and formulated to promote optimum adhesion of sealants to <br />joint substrates. <br />Wabasso Beach Park <br />Indian River County <br />DAA Project No. 6008 <br />07920-4 <br />