A Comparison of Air Duct Systems Energy Savings And Acoustical Performance (AH109)

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Summarizes research findings comparing acoustical and air leakage data in sealed and unsealed metal ducts, insulated and uninsulated ducts and fiberglass duct systems.

Describes findings which show fiberglass ducts to be more energy efficient, quieter and less expensive to install.

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A Guide to Insulated HVAC Systems (AH121)

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Covers the basics of fibrous glass air duct insulation (ductboard / duct board), its role in thermal and acoustical performance, and how it can contribute to indoor air quality.

Discusses fibrous glass ducts, liner and wrap insulation for sheet metal duct systems, and insulated flexible ducts.  Describes features and benefits of each type of system; includes job-site checklists for inspectors and code officials.

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An Essential Component of Indoor Environmental Quality…Fiberglass HVAC Insulations (AH110)

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Discusses a number of issues facing the building owner and facility managers including facts about insulation and indoor environmental quality, HVAC system maintenance, mold growth and the use of biocides and encapsulants, fiber erosion, and an update on health and safety research.

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Cleaning Fibrous Glass Insulated Duct (Ductboard / Duct Board) Systems – Recommended Practices (AH122)

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This manual shows duct cleaning contractors how to identify the different types of insulated air ducts, how to open each type for access by cleaning equipment and personnel, how to close and seal openings after cleaning.

Includes guidelines on determining when insulated ducts need to be cleaned, how to avoid damaging fibrous glass surfaces. Pre- and post-cleaning checklists are included. A helpful tool for the professional duct cleaning contractor.

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Dispersal of Fungal Spores From Three Types of Air Handling System Duct Material (RP046)

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Discusses exposure to airborne microorganisms in indoor environments may result in infectious disease or elicit an allergic or irritant response. (Mark P. Buttner, Patricia Cruz-Perez, Paula J. Garrett and Linda Stetzenbach)

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Duct Liner: Problem or Solution? (RP040)

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Discusses what duct liner is, how it is used and problems and benefits associated with duct liners.

A strong defense is made for the continued use of glass fiber or lining HVAC ducts and as a duct fabrication material. (HPAC)

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Fabrication Dimensions for 2″ (R-8.7) Fibrous Glass Duct Board (Ductboard) (AH136)

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This publication provides dimensional data required for accurate fabrication of insulated duct systems using 2″ (R-8.7) fibrous glass duct board.

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Facts #25: Glass Fiber Air Transmission Systems – The Benefits and Recommended Use of Fibrous Glass Duct Liner (AH106)

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Addresses the performance characteristics, installation recommendations and locations where fibrous glass duct liner should not be used.

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Facts #34: Glass Fiber Air Transmission Systems: The Facts About Mold Growth (AH113)

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Describes the ASTM and UL181 test procedures which fiberglass air handling insulations are required to pass to ensure the products do not support mold growth.

Includes recommended procedures for proper maintenance of air transmission systems.

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Facts #36: Facts About Using Sealants in Fiberglass Air Handling Systems (AH125)

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Discusses issues and considerations regarding the use of biocides and encapsulants during HVAC system cleaning and maintenance specifically where fiberglass air duct insulations are involved.

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Facts #50: Glass Fiber Air Transmission Systems: The Facts About Airborne Fibers (AH114)

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Summarizes the results of a number of studies conducted over a period of twenty-five years that show that glass fiber erosion from the airstream surface of fiberglass duct insulations is insignificant.

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Facts #52: Glass Fiber Air Transmission Systems: Preventing Moisture Accumulation in Ducts (AH107)

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Discusses sources of moisture in the home and provides information on ways to prevent water accumulation in ducts located in unconditioned spaces, the problems associated with moisture accumulation, and the means of prevention.

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Facts #61: Facts About the Performance of Reflective Bubble Pack Insulations in Duct System Applications (AH135)

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This Fact Sheet analyzes and discusses the performance claims of reflective (bubble pack) insulations when used to insulate air duct systems and how the model codes govern these products.

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Facts #64: Fibrous Glass Duct Systems (Ductboard / Duct Board) (AH137)

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Discusses the specific uses, performance characteristics including thermal and acoustical, condensation control, leakage, reinforcement, closure, code compliance and insulation recommendations for fiberglass duct systems. (Ductboard / duct board)

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Facts #65: Fibrous Glass Duct Liner (AH138)

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Discusses the specific uses, performance characteristics, ASTM thermal and acoustical property requirements, and installation recommendations for fibrous glass duct liner.

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Facts #66: Fibrous Glass Duct Wrap (AH139)

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Discusses the specific uses, performance characteristics, fire safety, condensation control and installation recommendations for fibrous glass duct wrap.

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Facts #67: Fibrous Glass Insulation Boards (AH140)

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Discusses the specific uses, performance characteristics, fire safety, condensation control, personnel protection, and installation recommendations for fibrous glass commercial insulation boards.

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Facts #73: Moisture & Corrosion Performance of Cotton Duct Liner Materials in HVAC Ducts (AH145)

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This Fact Sheet describes test results on cotton duct liner insulation conducted at the National Voluntary Laboratory Accreditation Program (NVLAP) certified laboratories.

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Fascinating Facts About Fiberglass, Rock Wool & Slag Wool Insulation (N071)

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Fiberglass, rock wool, and slag wool insulations are the most versatile insulating products in the world. Their fibrous composition provides unique insulating properties that make them the insulation products of choice for a wide range of applications. NAIMA’s Fascinating Facts discusses just how much these insulation products contribute to our environment.

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Fiberglass Duct Board Fabrication Instructional Training Series DVD (AH148)

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This 2 1/2 hour DVD demonstrates step by step fabrication of fiberglass duct board.

Excellent supplement to NAIMA’s Fibrous Glass Duct Construction Standards Manual

Available as a DVD

Each of the 22 NAIMA duct board fabrication training segments are also now available to view online in NAIMA’s video library.

Learn from the Pro’s as NAIMA’s FabricationTrainers take you through Tools & Materials, Hand Fabrication, Machine Grooving, Grooving Machine Maintenance, Closure Systems, and Fitting Fabrication.

Information is provided in easy to view and review chapter segments.

2 hours and 30 minutes of total training time.

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Fiberglass HVAC Insulation – Know the Facts (12 Minute Presentation)

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12 minute audio visual presentation on fiberglass insulation products designed for the HVAC system for residential and commercial buildings.

The presentation focuses on:

  • The Benefits of Insulated Air Ducts
  • Health & Safety Safety
  • Mold Moisture & Cleanability
  • Performance & Product Testing
  • Codes & Standards

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Fibrous Glass Duct Board (Ductboard) White Paper (AH142)

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This white paper is intended to increase knowledge of using fibrous glass duct board in common residential HVAC applications.

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Fibrous Glass Duct Construction Standards (Fifth Edition) (AH116)

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Includes comprehensive instructions on how to fabricate and install fibrous glass duct systems (ductboard), including duct board systems with flex duct.

This illustrated handbook depicts methods of constructing simple straight duct sections plus tees, elbows and complex fittings, installing accessories, connecting ducts to HVAC equipment. Outlines UL 181A approved closure systems, recommended methods of reinforcement, support, and damage repair. Includes a detailed job inspection checklist. (Designed for use in conjunction with the DVD: “Duct Board Fabrication Concepts”.)

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Fibrous Glass Duct Liner Standard (AH124)

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This standard provides comprehensive and detailed information regarding the materials, accessories, specification, fabrication, installation, commissioning, maintenance and service life of fibrous glass duct liners.

Includes numerous informative illustrations. Third Edition, 2002.

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Fibrous Glass HVAC Duct Systems Proven Performance (AH100)

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Reviews the benefits of and provides information on the broad range of proven performance characteristics of fibrous glass duct systems for both commercial and residential buildings. Includes duct board (ductboard), duct wrap, and duct liner.

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Fibrous Glass Residential Duct Construction Standards (Ductboard / Duct Board) – Third Edition (AH119)

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Based on the 144-page Fibrous Glass Duct Construction Manual, this 102-page version focuses on fabrication and installation of fiberglass duct board systems in residential situations (single and multi-family).

Illustrates and describes the two basic types of residential duct systems: extended plenum and radial. Depicts methods of conducting straight duct sections and simple fittings, approved closure systems. Includes job inspection checklist. Third Edition, 2002

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Glass Fiber Air Transmission Systems: Cleaning Fibrous Glass or Lined Sheet Metal Ducts (AH112)

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Information on cleaning, sanitizing and sealing fiberglass and fiberglass lined ducts.

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How Your Ductwork Can Save Energy Dollars And Reduce Pollution (AH108)

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Explains the energy saving benefits of fiberglass ducts in homes.

Includes fuel saving tips for heating and air conditioning systems.

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Monitoring Airborne Fungal Spores in an Experimental Indoor Environment to Evaluate Sampling Methods and the Effects of Human Activity on Air Sampling (UNLV Study) (RP022)

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Reprinted from Applied and Environmental Microbiology American Society for Microbiology, Vol. 59, No. 1.

Aerobiological monitoring was conducted in an experimental room to aid in the development of standardized sampling protocols for airborne microorganisms in the indoor environment. The objectives of this research were to evaluate the relative efficiencies of selected sampling methods for the retrieval of airborne fungal spore and to determine the effect of human activity on air sampling.

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NAIMA Fibrous Glass Duct Construction Standards Inspection Checklist (AH102)

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An inspection checklist for fibrous glass duct board system installation.

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Requirements for Listing UL 181A Closure Systems (AH105)

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Describes the rigorous UL 181A tests that tapes with the Underwriters Laboratories (UL) label undergo to ensure proper fiberglass duct closure.

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Tech Notes: Duct Insulation – Do it Right the First Time (AH147)

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Discusses the proper way to install duct insulation to avoid problems, control condensation and meet code requirements.

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The Fungi: How They Grow and Their Effects on Human Health (RP032)

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A primer on how fungi are formed, how they spread in buildings, and how individuals react through allergy symptoms, irritation, and toxicoses due to exposure. (Harriet A. Burge, PhD)

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UNLV Study Confirms: Fiber Shed from Fiberglass Duct Liners is Not a Significant Building Ventilation Issue (RP030)

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Reprint from Vol. 7, No. 1, Indoor Environment Review.

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