Duct Wrap

3M™ 615+ Fire Barrier Duct Wrap

• Proven alternative to 1- and
  2-hour fire-resistant rated shaft
  enclosures for grease ducts
• Lightweight and thin
• Butted inner layer in 2-layer
  grease duct applications
• Zero clearance to combustible
  throughout entire enclosure system
• Inorganic fiber blanket encapsulated with a scrim-reinforced foil
• Non-asbestos
• Performs in temperatures
  up to 2192°F (1200°C)
• 2-Hour fire rating
• Certified to ASTM E2336 and ISO 6944
• CSFM Listed
• Intertek Listed
• Classified by UL to ASTM E814 (UL 1479)