Grease duct shaft enclosure UNI/FRD 120-09, UNI/FRD 120-10, UNI/FRD 120-16 UL 1978 Internal Grease Duct Test (June 2002). [ RE: Section 506. fire resistive rated shaft enclosure, UL Standard 1978, “Grease Ducts” and UL Standard 2221, “Grease Duct Enclosure Assemblies”. 1 Shaft Enclosure 3MTM Fire Barrier Duct Wrap 15A is a fire resistant wrap consisting of a patented inorganic blanket encapsulated with a scrim-reinforced foil. 5 Duct Insulation, Two Layers (each 1. 3M™ Fire Bar-rier Duct Wrap 615+ is a proven alternative to 1- or 2-hour fire-resistant rated shaft enclosures for grease ducts (ICC-ES ESR-1255). Such grease duct systems and exhaust equipment shall have a clearance to combustible construction of not less than 18 inches (457. 11 Grease Duct Enclosures > 506. FyreWrap Elite 1. 2 or a factory-built grease duct enclosure assembly in accordance with Section 506. Model 2R is listed in accordance with the requirements for duct enclosure Condition B. Flamebar is an engineered fire protection system that achieves the performance of multi-layered fire-resistive duct and enclosure assemblies into a single product. " **cda**, In your picture, that exhaust outlet does not appear to be 40 inches above the roof surface. Pyroscat Duct Wrap XL is UL and ULC Listed for 1 and 2 hour fire resistive enclosure protection, zero clearance for kitchen exhaust ducts, electrical circuit protection, and as a component in UL firestop designs for fire resistance rated floors, ceilings, and walls. 4 - Duct enclosure not required: "A duct enclosure shall not be required for a grease duct that penetrates only a nonfire-resistance-rated roof/ceiling assembly. It is used to fire rate commercial kitchen grease ducts and is a proven alternative to 1 or 2 hour fire resistant rated shaft enclosures. • HNKT G18 – 2 Hour / Zero Clearance Grease Duct Listing per ASTM E 2336 30 • C-AJ-7021 – Concrete Floor/Wall penetration for grease duct, wrap terminated 32 • C-AJ-7098 – Concrete Floor/Wall penetration for grease duct, wrap continuous 33 • F-C-7036 – Wood/Gypsum Floor penetration for grease duct 34 •Fire-rated shaft enclosure •Shaft to comply with IBC 713 •18 in. See full list on mepacademy. Model 3Z is listed in accordance with the requirements for duct enclosure Condition A and B. 1, a field-ap-plied enclosure assembly in accordance with 506. Zero Clearance grease duct models Z3 & Z4 are additionally UL 2221 rated to zero clearance to combustibles and have an integral 2 hour fire rated enclosure, not requiring a separate fire rated shaft. 1 shall be permitted to be enclosed in accordance with the New York City Building Code requirements for shaft construction. Model DW-2R is classified under UL2221 (Test of Fire Resistive Duct Enclosure Assemblies) as an alternate to 2-Hr. 11. This non-asbestos wrap contains a Unifrax’s FyreWrap ® Elite® 1. 6pcf density. . 3 . 5 Duct Insulation Commercial Kitchen Grease Duct System ASTM E2336 2-Hour Fire-Rated Enclosure, Shaft Alternative Zero Clearance To Combustibles Butt Joint System Butt Joint Adjacent Blanket Pieces Legend: 1 FyreWrap® Elite® 1. With its excellent insulating capabilities, low weight and thin profile, it is an ideal choice 1. Duct Wrap 2x2 or Duct Wrap 2x2+ is in compliance with the: • Uniform Mechanical Code • International Mechanical Code • Uniform Building Code for zero clearance to combustibles and shaft alternative. • Provides a 2-hour enclosure and firestop system for kitchen exhaust ducts tested to ASTM E2336 for grease ducts • Provides zero clearance to combustibles throughout the installed system • Complies with IMC, NFPA-96, UMC, CMC, CNBC • Intertek Listed Grease duct installation with butt joints at all seams on both layers Oct 1, 2015 · As building codes and fire test standards have evolved over the years, the presence and acceptance of flexible fire rated duct wrap systems as alternative to gypsum shaft enclosures to provide the required hourly duration of protection has immensely increased. Model DW-3Z is classified under UL2221 (Test of Fire Resistive Duct Enclosure Assemblies) as an alternate to 2-Hr. Flamebar can be used to create in-wall rated shaft enclosures for HVAC application and for ventilated protection of A2L refrigerant line sets. 5 Duct Insulation is a two-layer flexible enclosure for one- and two-hour rated commercial kitchen grease ducts. D. 2 mm), and shall have a clearance enclosure for commercial kitchen grease ducts in compliance with AC 101 (ASTM E2336) grease duct test standard. Zero Clearance to Combustibles at All Locations on Wrap CONNECT GREASE DUCTS TO ANY OTHER PART OF THE BUILDING VENTILATION OR EXHAUST SYSTEM. Thin, lightweight and flexible, 3M™ Fire Barrier Duct Wrap 615+ provides excellent insulating capabilities and offers a space-saving alternative to traditional bulky fire protection methods obtained through a gypsum wall shaft or enclosure. Duct enclosures shall be either a shaft enclosure in accordance with Section 506. Commentary Figure 506. Testing is in accordance with SBCCI Acceptance Criteria for Grease Duct Enclosure Systems (January 1, 1998) as an alternative to 3 hr. Duct System: Design Nos. fire resistive shaft enclosure with a minimum zero clearance to combustibles The duct enclosure shall serve a single grease duct and shall not contain other ducts, piping or wiring systems. FlameWrap ® has been tested by ASTM E2336, UL 2221, ULC S144 and ISO 6944 and it is proven up to two hour enclosure and firestop system. Duct enclosures shall be a shaft enclosure in accordance with Section 506. 1 , a field-applied enclosure assembly in accordance with Section 506. fire resistive shaft enclosures with a reduced clearance to combustibles (sizes 8” to 18” diameter). A grease fire can burn at extremely high temperatures. 3 UL 1978 - Grease Duct Professional Series Assemblies) as an alternate to a 2-Hr. This is the ideal enclosure . 1 Termination above the roof. Installed as a two-layer system, Model DW-3Z is classified under UL2221 (Test of Fire Resistive Duct Enclosure Assemblies) as an alternate to 2-Hr. Oct 17, 2009 · 506. fire resistive shaft enclosures with a minimum zero clearance to combustibles (sizes 5" to 36" diameter). com Grease duct enclosures shall be a shaft enclosure in accordance with Section 506. 1, a field-applied enclosure assembly in accordance with Section 506. 5 Duct Insulation is tested per ASTM E 2336 and is acceptable as an alternate to a traditional fire-rated shaft. FyreWrap ® Elite 1. clearance to combustible construction •6 in. This wrap is commonly used in commercial kitchen grease ducts, as well as ventilation ducts. 13. This grease duct is suitable for interior and exterior installations. 3 Grease Duct Systems > 506. LISTING & CODE COMPLIANCE Model GZ grease ducts are listed by Intertek files VPC/FMF 120-01 USA and VPC/FMF 120-02 Canada as “two-hour fire rated, zero clearance grease duct enclosure assembly” and as “Grease Ducts for Restaurant Cooking Appliances” when installed in The shaft enclosure provisions of this section shall not be required where a duct penetration is protected with a through-penetration firestop system classified in accordance with ASTM E 814 and having an "F" and "T" rating equal to the fire-resistance rating of the assembly being penetrated and where the surface of the duct is continuously Duct Insulation – Grease Duct Single-Layer System Typical System Properties Intertek Laboratories (OPL) Listed, File 14870. FlameWrap ® is a flexible fire resistant wrap, designed to provide fire protective enclosure for commercial kitchen grease ducts, smoke ducts as well as ventilation ducts. 2 or a factory-built enclosure assembly in accordance with Section 506. 1(1) illustrates an exhaust duct enclosed by a vertical shaft. 1 It is used to fire rate commercial kitchen grease ducts as well as ventilation ducts. Aug 1, 2008 · UL2221, “Tests of Fire Resistive Duct Assemblies,” and ASTM E2336-04, “Standard Test Methods for Fire Resistive Grease Duct Enclosure Systems,” are the standards applied to alternative construction methods for fire-resistive shafts. The duct enclosure shall serve a single grease duct and shall not contain other ducts, piping or wiring systems. The differ- All pipe models are UL 1978 grease duct rated to their relative clearance to combustibles (single-wall, double-wall air or blanket insulated). 5", total thickness = 3") 2 1" Compressed Butt Joint Grease ducts constructed in accordance with Section 506. DUCT MODEL INNER DIAMETER (ID) OUTSIDE combustibles. 3. clearance to noncombustible construction and gypsum board on noncombustible structures •Field-applied grease duct enclosure – Duct Wrap (ASTM E2336) •Listed factory-built grease duct assemblies with integral Model GRZ grease ducts are “listed” by Intertek file VPC/FMF 120-03 (USA) and VPC/FMF 120-04 (Canada), as “Prefabricated Grease Duct” in accordance with UL1978/ULC S662 (Standard for Safety, Grease Ducts) and with UL 2221/ULC S144 (Tests for Fire Resistive Grease Duct Enclosure Assemblies) when installed in accordance with Wyoming Mechanical Code 2024 > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506. The grease duct enclosure must be constructed to comply with the shaft enclosure requirements in the IBC, including the bottom or origin of the shaft enclosure. When grease duct is installed in accordance with these installation instructions and the joints are sealed properly with the recommended sealant, the system will contain a grease fire within the duct. For ducts conveying explosive or flammable vapors, fumes or dusts: 30 feet (9144 mm) from property lines; 10 feet (3048 mm) from operable openings into buildings; 6 feet (1829 mm) from exterior walls and roofs; 30 feet (9144 mm) from combustible walls and operable openings into buildings that are in the direction of the exhaust discharge; 10 feet (3048 mm) above adjoining grade. One of the options for a grease duct enclosure is providing a fire-resistance-rated shaft. irbzq mjunt pmibf uzvxn kxzwucpp ibvlp xsj lqdlom lcy gfje