Description:

The 3M Fire Barrier Duct Wrap 615+ is a lightweight, flexible, and high-performance fire-resistant wrap designed for passive fire protection of commercial kitchen grease ducts, HVAC systems, and air plenums. This 24-inch by 25-foot roll (1 box) provides up to 2-hour fire-rated protection per ASTM E 2336 and UL 2221, eliminating the need for traditional fire-rated shaft enclosures.

Its flexible design allows for easy wrapping of round, square, or rectangular ducts, while the non-asbestos, zero fiber migration material ensures clean, safe handling.

Key Features:

• Size: 24 in x 25 ft (1 roll per box)

• Fire Rating: Up to 2 hours (ASTM E 2336 / UL 2221)

• Applications: Grease ducts, HVAC ducts, and return air plenums

• Construction: Lightweight, non-asbestos, fiber-safe wrap

• Benefits:

  • Easy to install and cut

  • Reduces space compared to traditional shaft systems

  • UL and Intertek tested

  • Code compliant for commercial and industrial use