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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 />GLAZING 08 8000 - 6 <br />ed. 2024-02-20 <br />2.5 INSULATING GLASS <br />A.Insulating-Glass Units: Factory-assembled units consisting of sealed lites of glass separated by a <br />dehydrated interspace, qualified in accordance with ASTM E2190. <br />1.Sealing System: Dual seal, with polyisobutylene and silicone primary and secondary sealants. <br />2.Perimeter Spacer: Aluminum with mill or clear anodic finish. <br />3.Desiccant: Molecular sieve or silica gel, or a blend of both. <br />2.6 GLAZING SEALANTS <br />A.General: <br />1.Compatibility: Compatible with one another and with other materials they contact, including <br />glass products, seals of insulating-glass units, and glazing channel substrates, under conditions <br />of service and application, as demonstrated by sealant manufacturer based on testing and field <br />experience. <br />2.Suitability: Comply with sealant and glass manufacturers' written instructions for selecting <br />glazing sealants suitable for applications indicated and for conditions existing at time of <br />installation. <br />3.Colors of Exposed Glazing Sealants: As selected by Architect from manufacturer's full range <br />of industry colors. <br />B.Neutral-Curing Silicone Glazing Sealant, Class 50: Complying with ASTM C920, Type S, Grade NS, <br />Use NT. <br />2.7 GLAZING TAPES <br />A.Back-Bedding Mastic Glazing Tapes: Preformed, butyl-based, 100 percent solids elastomeric tape; <br />nonstaining and nonmigrating in contact with nonporous surfaces; with or without spacer rod as <br />recommended in writing by tape and glass manufacturers for application indicated; and complying <br />with ASTM C1281 and AAMA 800 for products indicated below: <br />1.AAMA 806.3 tape, for glazing applications in which tape is subject to continuous pressure. <br />2.8 MISCELLANEOUS GLAZING MATERIALS <br />A.General: Provide products of material, size, and shape complying with referenced glazing standard, <br />recommended in writing by manufacturers of glass and other glazing materials for application <br />indicated, and with a proven record of compatibility with surfaces contacted in installation. <br />B.Cleaners, Primers, and Sealers: Types recommended by sealant or gasket manufacturer.