Introducing a new, lighter duct wrap.

Introducing 3M™ Fire Barrier Duct Wrap 615+

Light. Flexible. Protective.

3M™ Fire Barrier Duct Wrap 615+ is the only fire rated duct wrap product you’ll need to help protect grease and air ducts. It is flexible and lightweight for easy installation, and passes the necessary fire tests to achieve two-hour fire resistance requirements. 3M™ Fire Barrier Duct Wrap 615+ is manufactured with a man-made vitreous spun fiber, which allows for low thermal transfer properties in a lightweight, low profile, easy-to-apply product.

3M™ Fire Barrier Duct Wrap 615+ is:
  • Lightweight (6 lbs/ft3)
  • Low-profile (1.5 in. thick)*
  • Fire resistant for 2-hours (meeting fire protection code requirements)
  • Heat-resistant (up to 2192°F (1200°C))
  • Flexible for wrapping around corners and obstacles
  • Product is UL and Intertek (OPL) certified 
  • ASTM E2336 (grease ducts test standard) tested
  • ISO 6944 (air duct test standard) tested to 1- and 2-hour design listings in single layer systems
*In accordance with the tolerances in ASTM C 892 Standard Specification for High-Temperature Fiber Blanket Thermal Insulation
  • Kitchen Exhaust Ducts
  • Air Ventilation Ducts
    • Stair Pressurization Ducts
    • Elevator Hoistway Smoke Venting
    • Ducts crossing exit corridors
3M™ Fire Barrier Duct Wrap 615+ Products

For grease and air duct protection

Roll Size UPC Number Per Case Per Pallet Price Unit
24" W x 25' L 000-51115-18799-5 1 4 Roll
48" W x 25' L 000-51115-18800-8 1 2 Roll
3M™ Fire Barrier Duct Wrap 615+ Approvals

Classified UL           ULC Listed           Firestop Systems           Omega Point Laboratories          
Related Products

Additional products below are included in the Intertek and UL Systems

Caulks & Sealants Fire Barrier Sealants

Designed for ducts penetrating fire rated assemblies. Approved through-penetration sealants:

Tapes Installation Tapes

3M high performance tapes can be used for the installation of 3M™ Fire Barrier Duct Wrap 615+.

Grease Duct Access Doors Grease Duct Access Doors

Fire rated grease duct access doors work with 3M™ Fire Barrier Duct Wrap 615+ applications.

Collars Collars

A "butt joint with collar" serves as an optional installation method.

For details on the "butt joint with collar" application method, see the following system documents:

Learn more about all 3M Firestop Solutions


Download from our resource library.

Technical Letters
UL Letter
Intertek Letter 1
Intertek Letter 2
3M Tech Broadcast T09-9008
3M Tech Broadcast T09-9009
Code Approvals
California State Fire Marshal's Listing
3M™ Fire Protection Submittal Wizard

Use our 3M™ Fire Protection Submittal Wizard to create your project submittal.