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Figure 3 2 3 <br /> 3MTm Fire Barrier Duct Wrap 615+ <br /> Commercial Kitchen Grease Duct Systems <br /> 1 or 2 Hour Through Penetration Systems <br /> 4-1/2 inch (11,4 cm) Concrete Floor or Wall <br /> I <br /> 1. Floor/Ceiling or Wall Assembly 6 <br /> 2. Duct <br /> 3. One or Two Layers 3MTm Fire Barrier Duct Wrap 615+ -- —-- <br /> 4. Banding or Pinning <br /> 5. Packing Material -- I --- -- <br /> I <br /> 6. 3MTm Fire Barrier Water Tight Sealant 1000 NS, 5 <br /> 3MTm Fire Barrier Water Tight Sealant 1003 SL, or <br /> 3MTM Fire Barrier Silicon Sealant 2000+. For Wall <br /> Assembly Apply Sealant To Both Sides of Wall. 4 <br /> 3MTm Fire Barrier Water Tight Sealant 1003 SL <br /> Not Suited For Wall Applications. <br /> System integrity is limited by quality of installation. 3 <br /> Consult Current Independent Testing Laboratories (Intertek, UL) For Design or System Details. <br /> Penetrations <br /> When the duct penetrates a fire rated wall, ceiling or floor, an approved firestop system must be employed. <br /> Figure 3 illustrates a typical condition.To firestop the wrapped duct, follow the installation parameters <br /> detailed in a compatible ASTM E 814 tested through-penetration firestop design. Note:Through-penetration <br /> designs in which the duct is bare where it passes through combustible or limited-combustible construction <br /> (e.g. gypsum walls or wood joist floor-ceiling assemblies) are appropriate for ventilation duct scenarios only. <br /> It is not appropriate for bare, uninsulated grease ducts to pass through combustible assemblies. <br /> Through Penetration Systems Intertek Testing Services <br /> ASTM E 814 <br /> Sealants Fire Resistive Design Listing (former Description Firestopped To <br /> Rating OPL name) <br /> 3MTm Fire Barrier 1 Hour 3MU/PH 60-01 FS 557 W Gypsum Wall Duct Wrap <br /> Water Tight 3MU/PV 60-01 FS 558 F Floor-Ceiling Duct Wrap <br /> Sealant 1000 NS 3MU/PH 120-14 FS 559 W Gypsum Wall Duct Wrap <br /> 3MTm Fire Barrier 3MU/PH 120-16 FS 563 W Concrete Wall Bare Duct <br /> Water Tight 3MU/PH 120-17 FS 566 W Gypsum Shaft Wall Bare Duct <br /> Sealant 1003 SL 2 Hour 3MU/PH 120-18 FS 568 W Gypsum Wall Bare Duct <br /> 3MTm Fire Barrier 3MU/PH 120-29 FS 579 W Concrete Wall Duct Wrap <br /> Silicone 3MU/PV 120-06 FS 576 F Concrete Floor Bare Duct <br /> Sealant 2000+ <br /> r3MU/PV 120-07 FS 578 F Concrete Floor Duct Wrap <br /> For technical data and properties of 3MTm Fire Barrier Water Tight Sealant 1000 NS, 3MTM Fire Barrier Water <br /> Tight Sealant 1003 SL or 3MTM Fire Barrier Silicone Sealant 2000+, see separate product data sheets available <br /> from your 3M representative or go to www.3M.com/firestop. <br /> This is only a partial list of design listings. For the latest information go to www.3M.com/firestop or speak to your <br /> authorized 3M distributor or sales representative at (800) 328-1687. <br /> 7 <br />