Division 22 23 Ebook Page 245 Section 23 07 13 Duct Insulation-QuietR Textile-Rotary Duct Liner and Duct Liner Board Guide Spec

DUCT INSULATION 23 07 13 - 3 Duct Insulation - QuietZone Spiral Duct Liner 2.3 ACCESSORY MATERIALS A. Accessories: Provide accessories per duct insulation system manufacturer's recommendations, including the following: 1. Adhesives For Indoor Applications: VOC content of 50 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24). PART 3 - EXECUTION 3.1 EXAMINATION A. Verify that materials and accessories can be installed in accordance with Contract Documents and material manufacturers' recommendations. B. Verify, by inspecting product labeling, submittal data, and/or certifications which may accompany the shipments, that materials and accessories to be installed on the project comply with applicable specifications and standards and meet specified thermal and physical properties. C. Before starting work under this section, carefully inspect the site and installed work of other trades and verify that such work is complete to the point where installation of materials and accessories under this section can begin. 3.2 SAFETY PRECAUTIONS A. Insulation contractor's employees shall be properly protected during installation of insulation. Protection shall include proper attire when handling and applying insulation materials, and shall include, but not be limited to, disposable dust respirators, gloves, hard hats, and eye protection. 3.3 INSTALLATION A. Installation needs to be performed by an Owens Corning trained installer. Completely cover duct designated to receive duct liner. Neatly butt transverse joints without interruptions or gaps. Install the mat faced surface of the duct liner facing the airstream. B. Complying with requirements of ASTM C916, adhere duct liner to the sheet metal with 90% coverage of adhesive. 1. Coat exposed leading edges and transverse joints during fabrication. 2. Do not coat the grooved longitudinal edges. 3. Do not install two layers of duct liner to meet a specified liner thickness. 3.4 FIELD QUALITY ASSURANCE A. Upon completion of insulation work and before operation is to commence, visually inspect the work and verify that it has been correctly installed. B. Open all system dampers and turn on fans to blow all scraps and other loose pieces of material out of the duct system. Allow for a means of removal of such material. C. Check the duct system to ensure that there are no air leaks through joints.

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