Division 22 23 Ebook Page 261 Section 23 31 30 Flexible HVAC Ducts

FLEXIBLE HVAC DUCTS 23 31 30 - 1 Flexible HVAC Ducts PROJECT ENGINEER RESPONSIBILITY: This is a general specification guide, intended to be used by experienced construction professionals, in conjunction with good construction practice and professional judgment. This guide is to aid in the creation of a complete building specification that is to be fully reviewed and edited by the engineer. Sections of this guide should be included, edited, or omitted based on the requirements of a specific project. It is the responsibility of both the specifier and the purchaser to determine if a product or system is suitable for its intended use. Neither Owens Corning, nor any of its subsidiary or affiliated com- panies, assume any responsibility for the content of this specification guide relative to actual projects and specifically disclaim any and all liability for any errors or omissions in design, detail, structural capability, attachment details, shop drawings or other construc- tion related details, whether based upon the information provided by Owens Corning or otherwise. SECTION 23 31 30 FLEXIBLE HVAC DUCTS PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: Provide factory-insulated flexible ducts for residential and commercial HVAC systems. Note to Specifier: The following temperature ranges are typical for these systems. However, if project requirements call for service temperatures outside the ranges listed, consult the manufacturer's published data to determine operating temperature limitations of the insulation product or products under consideration . 1. HVAC duct systems operating at internal air velocities not exceeding rated duct liner limitations as listed below, and internal air temperatures between -20F (-29C) and 250F (121C) and air velocities to 5,000 fpm (25.4 m/s). 1.2 REFERENCES A. Materials shall meet the requirements of one or more of the following specifications as applicable to the specific product or end use: 1. Air Diffusion Council (ADC): a. ADC Flexible Duct Performance and Installation Standards. 2. American Society for Testing of Materials (ASTM): a. ASTM C553, Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications. 3. National Fire Protection Association (NFPA): a. NFPA 90A, Standard for the Installation of Air-Conditioning and Ventilating Systems. b. NFPA 90B, Standard for the Installation of Warm Air Heating and Air-Conditioning Systems. 4. Underwriters Laboratories (UL): a. UL 181, Standard for Factory-Made Air Ducts and Air Connectors. b. UL 181B, Standard for Closure Systems for Use with Flexible Air Ducts and Air Connectors. 1.3 SUBMITTALS A. Product Data: Submit product characteristics, performance criteria, and limitations, including installation instructions, for each type of product indicated. B. Sustainable Design Submittals: Submit manufacturers sustainable design certifications as specified.

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