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