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SHSC HVAC and Roof Replacement Smith Sinnett / 2020072 <br />Orange County, North Carolina <br /> <br />PENETRATION FIRESTOPPING 07 84 13 - 3 <br />PART 2 - PRODUCTS <br />2.1 MANUFACTURERS <br />A. Available Products: Subject to compliance with requirements, through-penetration firestop systems that <br />may be incorporated into the Work include, but are not limited to, those systems indicated on Drawings. <br />2.2 FIRESTOPPING, GENERAL <br />A. Compatibility: Provide through-penetration firestop systems that are compatible with one another; with <br />the substrates forming openings; and with the items, if any, penetrating through-penetration firestop <br />systems, under conditions of service and application, as demonstrated by through-penetration firestop <br />system manufacturer based on testing and field experience. <br />B. Accessories: Provide components for each through-penetration firestop system that are needed to install <br />fill materials and to comply with Part 1 "Performance Requirements" Article. Use only components <br />specified by through-penetration firestop system manufacturer. <br />1. Permanent forming/damming/backing materials, including the following: <br />2.3 FILL MATERIALS <br />A. General: Provide through-penetration firestop systems containing the types of fill materials indicated in <br />the Through-Penetration Firestop System Schedule at the end of Part 3 by referencing the types of <br />materials described in this Article. Fill materials are those referred to in directories of referenced testing <br />and inspecting agencies as "fill," "void," or "cavity" materials. <br />2.4 MIXING <br />A. For those products requiring mixing before application, comply with through-penetration firestop system <br />manufacturer's written instructions for accurate proportioning of materials, water (if required), type of <br />mixing equipment, selection of mixer speeds, mixing containers, mixing time, and other items or <br />procedures needed to produce products of uniform quality with optimum performance characteristics for <br />application indicated. <br />PART 3 - EXECUTION <br />3.1 EXAMINATION <br />A. Examine substrates and conditions, with Installer present, for compliance with requirements for opening <br />configurations, penetrating items, substrates, and other conditions affecting performance of work. <br />1. Proceed with installation only after unsatisfactory conditions have been corrected. <br />3.2 PREPARATION <br />A. Surface Cleaning: Clean out openings immediately before installing through-penetration firestop systems <br />to comply with firestop system manufacturer's written instructions and with the following requirements: <br />1. Remove from surfaces of opening substrates and from penetrating items foreign materials that <br />could interfere with adhesion of through-penetration firestop systems. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6