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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> SECTION 07 90 00 -JOINT PROTECTION <br /> SECTION 07920 -JOINT SEALANTS <br /> PART 1 -GENERAL <br /> 1.1 SUMMARY <br /> A. This Section includes sealants for the following applications,including those specified by reference to this Section: <br /> 1. Exterior joints in the following vertical surfaces and nontraffic horizontal surfaces: <br /> a. Perimeter joints between materials listed above and windows and louvers. <br /> 2. Interior joints in the following vertical surfaces and horizontal nontraffic surfaces: <br /> a. Control and expansion joints on exposed interior surfaces of exterior walls. <br /> b. Perimeter joints of exterior openings where indicated. <br /> c. Perimeter joints between interior wall surfaces and frames of interior doors and windows. <br /> d. Other joints as indicated and as required by authorities having jurisdiction. <br /> B. Related Sections include the following: <br /> 1. Division 07, Section "Elastomeric Joint Sealants"for masonry joint repair work. <br /> 2. Division 08, Section "Glazing"for glazing sealants. <br /> 3. Division 09, Section "Gypsum Board Assemblies" for sealing perimeter joints of gypsum board partitions to <br /> reduce sound transmission. <br /> 4. Division 09, Section "Acoustical Panel Ceilings"for sealing edge moldings at perimeters of acoustical ceilings. <br /> 1.2 PERFORMANCE REQUIREMENTS <br /> A. Provide elastomeric joint sealants that establish and maintain watertight and airtight continuous joint seals without staining <br /> or deteriorating joint substrates. <br /> B. Provide joint sealants for interior applications that establish and maintain airtight and water-resistant continuous joint seals <br /> without staining or deteriorating joint substrates. <br /> 1.3 SUBMITTALS <br /> A. Samples for Initial Selection: Manufacturer's color charts consisting of strips of cured sealants showing the full range of <br /> colors available for each product exposed to view. <br /> B. Warranties:Special warranties specified in this Section. <br /> 1.4 QUALITY ASSURANCE <br /> A. Installer Qualifications:An experienced installer who has specialized in installing joint sealants similar in material,design, <br /> and extent to those indicated for this Project and whose work has resulted in joint-sealant installations with a record of <br /> successful in-service performance. <br /> B. Source Limitations:Obtain each type of joint sealant through one source from a single manufacturer. <br /> 1.5 DELIVERY, STORAGE,AND HANDLING <br /> A. Deliver materials to Project site in original unopened containers or bundles with labels indicating manufacturer, product <br /> name and designation,color,expiration date,pot life,curing time,and mixing instructions for multicomponent materials. <br /> B. Store and handle materials in compliance with manufacturer's written instructions to prevent their deterioration or damage <br /> due to moisture,high or low temperatures,contaminants,or other causes. <br /> 1.6 PROJECT CONDITIONS <br /> A. Environmental Limitations: Do not proceed with installation of joint sealants under the following conditions: <br /> 1. When ambient and substrate temperature conditions are outside limits permitted by joint sealant manufacturer. <br /> 2. When ambient and substrate temperature conditions are outside limits permitted by joint sealant manufacturer <br /> or are below 40 deg F. <br /> 3. When joint substrates are wet. <br /> B. Joint-Width Conditions: Do not proceed with installation of joint sealants where joint widths are less than those allowed by <br /> joint sealant manufacturer for applications indicated. <br /> C. Joint-Substrate Conditions: Do not proceed with installation of joint sealants until contaminants capable of interfering with <br /> adhesion are removed from joint substrates. <br /> ©BOOMERANG DESIGN 07 90 00-1 510 Meadowlands Drive,Hillsborough,NC <br /> BD#1835 ORANGE COUNTY,NC 12/07/2018 <br />