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DocuSign Envelope ID:070B6BC7-CDE2-4AO8-BE62-07FA6BFDO53B <br /> 11/20/2020 <br /> 3. Where joint widths are less than those allowed by joint-sealant manufacturer for <br /> applications indicated. <br /> 4. Where contaminants capable of interfering with adhesion have not yet been removed from <br /> joint substrates. <br /> PART 2 -PRODUCTS <br /> 2.1 MATERIALS, GENERAL <br /> A. Compatibility: Provide joint sealants, backing materials, and other related materials that are <br /> compatible with one another and with joint substrates under conditions of service and application, <br /> as demonstrated by joint-sealant manufacturer,based on testing and field experience. <br /> B. Colors of Exposed Joint Sealants: Match adjacent concrete color. <br /> PART 3 -EXECUTION <br /> 3.1 EXAMINATION <br /> A. Examine joints to receive joint sealants,with Installer present,for compliance with requirements <br /> for joint configuration, installation tolerances, and other conditions affecting joint-sealant <br /> performance. <br /> B. Proceed with installation only after unsatisfactory conditions have been corrected. <br /> 3.2 PREPARATION <br /> A. Surface Cleaning of Joints: Before installing joint sealants, clean out joints immediately to <br /> comply with joint-sealant manufacturer's written instructions. <br /> 1. Remove all foreign material from joint substrates that could interfere with adhesion of joint <br /> sealant, including dust, old joint sealants, oil, grease, waterproofing, water repellents, <br /> water, surface dirt, and frost. <br /> B. Joint Priming: Prime joint substrates where indicated or where recommended in writing by joint- <br /> sealant manufacturer, based on preconstruction joint-sealant-substrate tests or prior experience. <br /> Apply primer to comply with joint-sealant manufacturer's written instructions. Confine primers <br /> to areas of joint-sealant bond; do not allow spillage or migration onto adjoining surfaces. <br /> 3.3 INSTALLATION OF JOINT SEALANTS <br /> A. Comply with joint-sealant manufacturer's written installation instructions for products and <br /> applications indicated unless more stringent requirements apply. <br /> B. Joint-Sealant Installation Standard: Comply with recommendations in ASTM C 1193 for use of <br /> joint sealants as applicable to materials, applications, and conditions. <br /> 32 1373 CONCRETE PAVING JOINT Page 2 of 4 <br /> SEALANTS <br />