SECTION 23 07 13

DUCT AND PLENUM INSULATION

** NOTE TO SPECIFIER ** Unifrax I LLC ; temperature rated insulation products.
This section is based on the products of Unifrax I LLC , which is located at:
600 Riverwalk Pkwy. Suite 120
Tonawanda, NY 14150
Tel: 716-768-6500
Fax: 716-768-6400
Email:request info ()
Web:
[Click Here] for additional information.
Unifrax is a leading producer of high temperature insulation products for a wide variety of commercial building passive fire protection applications.
Our well-known Fiberfrax ceramic fiber product line, revolutionary Insulfrax® and Isofrax®, soluble fiber products, and FyreWrap® other high temperature insulation products provide innovative heat management and fire protection solutions and exceptional value to our customers in a wide range of markets.
With manufacturing and sales presence in the global marketplace, and a leadership position in the global high temperature fibers market, Unifrax offers its worldwide customers the high quality products, service and support that have been the Unifrax standard for more than 60 years.
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PART 1 GENERAL

1.1 SECTION INCLUDES

** NOTE TO SPECIFIER ** Zero clearance, 2-hour fire-resistive Ventilation Air Duct (VAD) assembly. Delete if not required for project.

A. Duct insulation to achieve a 2-hour fire-resistive ventilation duct assembly and hazardous exhaust systems.

** NOTE TO SPECIFIER ** Plenum fire rated insulation. Delete if not required for project.

B. Plenum insulation to achieve a non-combustible rating for combustible materials in an air plenum.

** NOTE TO SPECIFIER ** Zero clearance, 2-hour fire-resistive grease duct assembly. Delete if not required for project.

C. Duct insulation to achieve zero clearance to combustibles and a 2-hour fire-resistive rated duct enclosure on commercial kitchen grease duct exhaust systems.

** NOTE TO SPECIFIER ** Delete if not required for project.

D. Duct insulation to achieve single layer, one-hour fire-resistance rated enclosure around dryer exhaust ductwork.

** NOTE TO SPECIFIER ** Delete if not required for project.

E. Cable tray insulation to achieve an external insulation wrap around cables, trays and conduits to provide a fire rated enclosure, permitting continued operation.

** NOTE TO SPECIFIER ** Delete if not required for project.

F. Blanket insulation to achieve thermal insulation at continuous operating temperatures up to 2012F (1100C).

** NOTE TO SPECIFIER ** Delete if not required for project.

G. Blanket insulation to achieve fire protection insulation for a variety of rated assemblies on marine structures and vessels.

1.2 RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

A. Section 07 21 26 - Blown Insulation.

** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.

1.3 REFERENCES

** NOTE TO SPECIFIER ** Ventilation Air Ductwork (VAD). Delete if not required for project.

A. The following published specifications, standards, or tests that apply to single layer, fire - resistive rated ventilation air duct (VAD) insulation and hazardous exhaust duct insulation:

1. International Organization for Standardization, Fire resistance tests ventilation air ducts (ISO 6944).

2. International Code Council (ICC).

3. International Building Code (IBC).

4. International Mechanical Code (IMC).

5. ASTM C 411 - Standard Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation.

6. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

7. ASTM E 119 - Standard Test Method for Fire Tests of Building Construction Materials.

8. ASTM E 814 - Standard Test Method for Fire Tests of Through-Penetration Fire Stops.

** NOTE TO SPECIFIER ** Noncombustible Plenum insulation. Delete if not required for project.

B. The following published specifications, standards, tests, or recommended methods of trade, industry, or governmental organizations apply to single layer noncombustible fire rated plenum insulation:

1. UL 1887 - Visible Flame and Smoke Characteristics for Plastic Pipe.

2. ASTM E 84/UL/ULC 723 - Surface Burning Characteristics.

3. ASTM E 136 - Non-combustibility.

** NOTE TO SPECIFIER ** Grease duct fire rated insulation. Delete if not required for project.

C. The following published specifications, standards, or tests that apply to zero clearance two layer fire rated systems of grease duct insulation:

1. NFPA 96.

2. International Code Council Evaluation Service (ICCES).

3. 1997 ICBO Uniform Mechanical Code (ICBO UMC).

4. 1997 Uniform Building Code (UBC).

5. 2012 International Mechanical Code (IMC).

6. 2009 Uniform Mechanical Code (IAPMO UMC).

7. 2010 National Building Code of Canada.

8. ASTM E 2336 - Standard Test Methods for Fire Resistance Rated Grease Duct Enclosures.

9. CAN/ULC-S144-09 Standard Method of Fire Resistance Test - Grease Duct Assemblies First Edition.

10. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

11. ASTM E 119 - Standard Test Methods for Fire Tests of Building Construction and Materials.

12. ASTM E 136 - Standard Test Method for Noncombustiblity.

13. ASTM E 518 - Standard Test for Durability.

14. ASTM E 814 - Standard Test Method for Fire Tests of Through-Penetration Fire Stops

** NOTE TO SPECIFIER ** Dryer and plenum systems. Delete if not required for project.

D. The following published specifications, standards, or tests that apply to single layer, fire - resistive rated dryer duct (DPS) insulation:

1. International Organization for Standardization, Fire resistance tests ventilation air ducts (ISO 6944).

2. International Building Code (IBC).

3. International Mechanical Code (IMC).

4. ASTM E 518 - Standard Test for Durability.

5. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

1.4 SUBMITTALS

A. Submit under provisions of Section 01 30 00 - Administrative Requirements.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. Installation methods.

C. Submit certification and installation documentation showing system performance and Code compliance.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: Manufacturer capable of providing field service representation during installation.

B. Fabricator Qualifications: Fabrication performed in quality controlled manufacturing environment by experienced fabricators with references indicating multiple satisfactory experiences fabricating high temperature insulation blanket as required for this project.

C. Installer Qualifications: Installer experienced in performing work of this section who has specialized in installation of work similar to that required for this project.

** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.

D. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.

1. Finish areas designated by Architect.

2. Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.

3. Refinish mock-up area as required to produce acceptable work.

E. Preinstallation Meetings: Conduct preinstallation meeting to verify project requirements, manufacturer's installation instructions and manufacturer's warranty requirements. Comply with Division 01 Project Management and Coordination (Project Meetings).

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials in original unopened packages, clearly marked with manufacturer's name, product designation, manufacturer's lot numbers and appropriate third party classification listings.

B. Store in a covered dry environment.

C. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

1.7 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: Unifrax I LLC , which is located at: 600 Riverwalk Pkwy. Suite 120; Tonawanda, NY 14150; Tel: 716-768-6500; Fax: 716-768-6400; Email:request info (); Web:

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.

B. Substitutions: Not permitted.

C. Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.

** NOTE TO SPECIFIER ** Unifrax's FyreWrap® Elite®1.5 Duct Insulation is a optimized single-layer flexible enclosure for 1- and 2-hour fire-rated ventilation air ducts (VAD). Typical duct types include smoke control, stairwell and vestibule pressurization, ventilation, heating and air conditioning supply/return, and commercial dryer exhaust, as well as refuse and linen chutes. This slim, compact design is an alternate to code prescribed fire-rated shafts and results in significant weight, space and labor savings when compared to traditional shafts. Ventilation air duct fire rated assembly. Delete if not required.

2.2 DUCT INSULATION FOR FIRE RATED VENTILATION AIR DUCTS (VAD) AND HAZARDOUS EXHAUST DUCTS

A. Product: FyreWrap Elite 1.5 Duct Insulation by Unifrax I LLC, Tonawanda, NY:

1. Nominal 1.5 inch (38 mm) thick foil encapsulated blanket material at 6 PCF to provide 2-hour fire resistive enclosure assembly per ISO 6944.

2. An inorganic, flexible, non-asbestos, bio-soluble high temperature, foil encapsulated blanket material.

3. Blanket insulation shall maintain a 2012 degree F (1100 degree C) operating temperature.

4. Blanket fiber materials shall be tested per EU regulatory requirements, Directive 97/69/EC for bio-solubility, and verified by an independent laboratory.

5. Provide firestop sealants, tape, insulation pins, clips, banding and other components to ensure the installed system complies with the complete tested two-hour fire rated VAD assembly.

B. Performance: Lightweight, non-asbestos, bio-soluble, high temperature, inorganic, foil encapsulated insulation blanket. The duct wrap system shall be a tested and listed system evaluated for a 2-hour fire resistance rating on a ventilation air duct assembly. Testing shall be conducted by a nationally recognized testing laboratory.

1. Performance Requirements:

a. Single Layer System for two hour fire rating.

b. 2-hour fire resistive enclosure assembly tested per ISO 6944.

c. Firestop tested per ASTM E 814, 2 Hour F and T Ratings.

d. Meets 25/50 Flame and Smoke Ratings per ASTM E 84.

** NOTE TO SPECIFIER ** Unifrax's FyreWrap® 0.5 Plenum Insulation is a high temperature insulation blanket specifically designed to provide a single layer, flexible enclosure around combustible items located within fire-rated return air plenums. New construction, building renovations or modifications to the electrical and mechanical systems may result in the installation of plastic pipe or plastic-coated cables that cannot meet the minimum combustibility requirements defined in the Mechanical Code. FyreWrap 0.5 Plenum Insulation provides fire protection for these installed items by preventing flame propagation and smoke development in the plenum area. Fire rated plenum insulation. Delete if not required.

2.3 PLENUM INSULATION FOR NONCOMBUSTIBLE FIRE RATED PLENUM

A. Product: FyreWrap 0.5 Plenum Insulation by Unifrax I LLC, Tonawanda, NY:

1. Nominal 0.5 inches (12 mm) thick foil encapsulated blanket material to provide non combustible rating.

2. An inorganic, flexible, non-asbestos, bio-soluble high temperature, foil encapsulated blanket material.

3. Blanket insulation shall maintain a 2012 degree F (1100 degree C) operating temperature.

4. Blanket fiber materials shall be tested per EU regulatory requirements, Directive 97/69/EC for bio-solubility, and verified by an independent laboratory.

B. Performance: A lightweight, non-asbestos, bio-soluble, high temperature, inorganic, foil encapsulated insulation blanket. The plenum insulation system shall be tested and listed to provide a non combustible rating for combustible items located in air plenums.

1. Performance Requirements:

a. Single Layer System of 1/2 inch (13 mm) thick material.

b. Meets UL 1887 test criteria for visible flame and smoke characteristics.

c. Meets 25/50 Flame and Smoke Ratings per ASTM E 84.

d. Insulation and combustible item shall be tested as an assembly.

** NOTE TO SPECIFIER ** Unifrax's FyreWrap® Elite® 1.5 Duct Insulation is a high temperature insulation blanket specifically designed to provide a flexible enclosure for one- and two-hour rated commercial kitchen grease ducts. FyreWrap® Elite® 1.5 Duct Insulation provides a tested, fire-protective enclosure acceptable as an alternate to a traditional fire-rated shaft. Installed as a two-layer system, FyreWrap® Elite® 1.5 Duct Insulation complies with IMC 2006-2012 Editions, ICC ES Acceptance Criteria for Grease Duct Enclosure Assemblies, AC101 (formerly ICBO) and ASTM E-2336. Grease duct zero clearance fire rated assembly. Delete if not required.

2.4 DUCT INSULATION FOR ZERO CLEARANCE APPLIED FIREPROOFING FOR FIRE-RATED GREASE DUCTS

A. Product: FyreWrap Elite 1.5 Duct Insulation by Unifrax I LLC, Tonawanda, NY:

1. Nominal 1.5 inch (38 mm) thick foil encapsulated blanket material at 6 PCF to provide 2-hour fire resistive enclosure assembly per ASTM E 2336.

2. A lightweight, flexible, inorganic, non-asbestos, bio-soluble, high temperature, foil encapsulated blanket wrap.

3. Flexible, fully encapsulated blanket material, two-layer system to provide 2-hour fire resistive enclosure assembly per ASTM E 2336 and CAN/ULC-S144-09.

4. Blanket insulation shall maintain a 2012 degree F (1100 degree C) operating temperature.

5. Blanket fiber materials shall be tested per EU regulatory requirements, Directive 97/69/EC for bio-solubility, and verified by an independent laboratory.

6. Provide field fabricated or prefabricated fire rated access doors (for cleanout as required) to maintain 2-hour rating and required clearance.

7. Provide firestop sealants, tape, insulation pins, clips, banding and other components as per manufacturer's instructions to provide fully functioning zero clearance to combustibles grease duct system.

B. Performance: Lightweight, non-asbestos, bio-soluble, high temperature, inorganic, foil encapsulated insulation blanket. The blanket material shall be capable of performing at 2000 degree F (1093 degree C) matching the internal and external fire test temperature for grease ducts. The duct wrap system shall be a tested and listed system evaluated for reduced clearances to combustibles as an alternative to a grease duct, with a two-hour fire rated shaft enclosure. Testing shall be conducted at a nationally recognized testing laboratory.

1. Performance Requirements:

a. Two-layer system of 1-1/2 inch (38 mm) 6 pcf (96 kg/m3) material.

b. Zero clearance to combustibles across the entire surface of the blanket material per internal fire tests of ASTM E 2336.

c. 2-hour fire resistive enclosure assembly per ASTM E 119.

d. CAN/ULC-S144-09: Stability-2hr, Integrity-2hr, Insulation-2hr.

e. Firestop tested per ASTM E 814, 2 Hour F and T Ratings.

f. Meets 25/50 flame and smoke ratings per ASTM E 84.

** NOTE TO SPECIFIER ** Unifrax's FyreWrap® DPS Insulation is a high-temperature insulation blanket specifically designed, UL tested and certified to provide a single layer, one-hour rated flexible enclosure around dryer exhaust ductwork. The product also provides code compliant fire protection for combustible items, such as plastic pipes by preventing flame propagation and smoke development in the plenum area. Delete if not required.

2.5 DUCT INSULATION FOR SINGLE LAYER, ONE-HOUR RATED ENCLOSURE FOR DRYER EXHAUST DUCTWORK

A. Product: FyreWrap DPS Insulation by Unifrax LLC, Tonawanda, NY:

1. Nominal 0.5 inch (13 mm) thick foil encapsulated blanket material at 8 PCF to provide 1-hour fire resistive enclosure assembly per ISO 6944.

2. An inorganic, flexible, non-asbestos, bio-soluble high temperature, scrim encapsulated blanket material.

3. Blanket insulation shall maintain a 2300 degree F (1260 degree C) operating temperature.

4. Provide firestop sealants, tape, banding and other components to ensure the installed system complies with the complete tested one-hour fire rated DPS assembly.

B. Performance: Lightweight, non-asbestos, bio-soluble, high temperature, inorganic, foil encapsulated insulation blanket. The plenum insulation system shall be tested and listed to provide a 1 hour rating for combustible items located in air plenums. Testing shall be conducted at a nationally recognized testing laboratory.

1. Performance Requirements:

a. ISO 6944 (1985): 1 Hour Ventilation Duct- Shaft alternative. UL Assembly No. V-32.

b. UL 1479/ASTM E814: Firestop: 1-hour F & T Ratings. UL Assembly Nos. F-C-7057 & F-C-7058.

c. ASTM E-84/UL 723: Encapsulated - Flame < 25, Smoke < 50. Unfaced - Flame = 0, Smoke = 0.

d. ASTM C 518: R-Value: DPS (1/2 inch (13 mm)) = 2.0.

e. EN 1094: Temperature Grade 2300 degree F (1260 degree C).

f. Code Compliance: 2012 IMC Sect. 504.2, 604, 2012 IBC Sect. 717.6.2, 713, 703.

** NOTE TO SPECIFIER ** Unifrax's FyreWrap® Cable Insulation is a thin, flexible, insulation wrap designed to provide a fire-protective enclosure around cable trays and conduit. The FyreWrap system ensures electrical circuit integrity during exposure to an external hydrocarbon fire, permitting continued operation or controlled shutdown of critical equipment during emergency conditions. This system is FM Global Approved and meets ASTM E-1725 "Fire Tests of Fire-Resistive Barrier Systems for Electrical System Components," the newest industry standard, requiring the highest level of performance for trays with zero to full cable loading. The system also meets ASTM E-1529 and provides circuit integrity ratings. FyreWrap complies with many industry specifications on fireproofing for petroleum and petrochemical processing plants. Delete if not required for project.

2.6 CABLE TRAY INSULATION

A. Product: FyreWrap Cable Tray Insulation by Unifrax LLC, Tonawanda, NY:

1. Thickness: 1.5 inches and 2.0 inches (38 mm and 51 mm).

2. Density: 8 pcf (128 kilogram/cubic meter).

3. Standard Product Form: Scrim Encapsulated.

4. Product Availability:

a. 1.5 inches x 24 inches w x 25 LF (38 mm x 610 mm x 7.62 LM).

b. 1.5 inches x 48 inches w x 25 LF (38 mm x 1219 mm x 7.62 LM).

c. 2 inches x 24 inches w x 20 LF (51 mm x 610 mm x 6.1 LM).

d. 2 inches x 48 inches w x 20 LF (51 mm x 1219 x 6.1 LM).

B. Performance: A thin, flexible, insulation wrap designed to provide a fire-protective enclosure around cable trays and conduit with Fire Ratings of 15, 30, 45 and 60 minutes.

1. Performance Requirements:

a. FM Global Approved - Wrap for Grouped Electrical Cables.

b. Fire Exposure - Hydrocarbon Fire per ASTM E-1529.

c. Circuit Integrity - per ASTM E-1529.

d. Temperature Integrity - per ASTM E-1725.

e. Cable Loading - Empty to Fully Loaded Trays.

f. ASTM E-84 Surface Burning Characteristics: Unfaced Core: Flame/Smoke Rating = Zero. FyreWrap: Flame/Smoke Rating < 25/50.

** NOTE TO SPECIFIER ** FyreWrap® Elite® Blanket from Unifrax is a totally inorganic, flexible, high-temperature insulation blanket optimized for high performance passive fire protection applications. FyreWrap Elite utilizes a calcium, magnesium, silicate chemistry to provide thermal insulation at continuous operating temperatures up to 2012F (1100C). This fiber chemistry has been combined with Unifrax's proprietary fiber spinning technology to create a specialty high-temperature blanket with optimized fire protection properties. Delete if not required for project.