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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 - 6 <br />C.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 />Provide self-adhesive tape where applicable. <br />2.8 MISCELLANEOUS MATERIALS <br />A.Primer: Material recommended by joint-sealant manufacturer where required for adhesion of sealant to joint <br />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 and <br />adjacent nonporous surfaces in any way, and formulated to promote optimum adhesion of sealants to joint <br />substrates. <br />C.Masking Tape: Nonstaining, nonabsorbent material compatible with joint sealants and surfaces adjacent to <br />joints. <br />PART 3 - EXECUTION <br />3.1 EXAMINATION <br />A.Examine joints indicated to receive joint sealants, with Installer present, for compliance with requirements for <br />joint configuration, installation tolerances, and other conditions affecting performance of the Work. <br />B.Proceed with installation only after unsatisfactory conditions have been corrected. <br />3.2 PREPARATION <br />A.Surface Cleaning of Joints: Clean out joints immediately before installing joint sealants to comply with joint- <br />sealant manufacturer's written instructions and the following requirements: <br />1.Remove all foreign material from joint substrates that could interfere with adhesion of joint sealant, <br />including dust, paints (except for permanent, protective coatings tested and approved for sealant <br />adhesion and compatibility by sealant manufacturer), old joint sealants, oil, grease, waterproofing, <br />water repellents, water, surface dirt, and frost. <br />2.Clean porous joint substrate surfaces by brushing, grinding, mechanical abrading, or a combination of <br />these methods to produce a clean, sound substrate capable of developing optimum bond with joint <br />sealants. Remove loose particles remaining after cleaning operations above by vacuuming or blowing <br />out joints with oil-free compressed air. Porous joint substrates include the following: <br />a.Concrete. <br />b.Masonry.