FF260

Fire Protection Block

The high expansion and insulating properties of the material ensures that both, flame spread and smoke, are stopped for 120 minutes.

UL CLASSIFIED

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A reddish-brown rectangular block with a grid pattern on its top surface, commonly used in UL firestop systems, shown on a white background.

Key Benefits:

  • UL Classified
  • Quick and Easy Installation – no special tools required
  • Cable bundle up to 4” diameter, metal pipes up to 4” diameter optionally glass fiber insulated
  • Max. opening size: 384 in² with a max. dimension of 32”
  • Up to 6” x 24” steel or aluminum cable tray with max. 45% fill
  • Significant Labor savings
  • Easy to remove and re-install to add additional elements
  • Flexible material enables for easy installation and retro-fitting
  • Does not require wire mesh or cover plates
  • Maintenance free
  • 120 minute protection
Cross-section of a wall with bundled cables passing through UL firestop systems and a metal cable tray.
A brick wall partially blocks a window opening in a white wall, showcasing how UL firestop systems can integrate with structural elements for enhanced safety.

In a fire, the intumescent material expands, closing the opening and preventing flame and smoke spread

Brick wall with four pipes and a cable bundle passing through openings, featuring UL firestop systems for enhanced safety.
Black UL letters inside a black circle, with a small registered trademark symbol under the U, representing UL firestop systems compliance.

Product Details

The FF260 Fire Protection Blocks are preformed, intumescent firestop blocks for sealing penetrations with cables, cable trays, cable bundles, metal pipes, and mixed penetrations.

The FF260 Fire Protection Block is made of a rapidly expanding intumescent foam and is the ideal fire barrier for openings in solid floor or ceiling systems.

The flexible and lightweight material is suitable for retrofitting installation, as well as new construction of through-penetration firestopping systems and can be used for openings up to 384 in² with a maximum dimension of 32”.

The high expansion and insulating properties of the material ensures that both, flame spread and smoke, are stopped for 120 minutes. For a full list of our UL listed through-penetration firestopping systems, please visit the DOWNLOADS section.

Can be used with TENMAT’s FF360 Fire Protection Foam and FF365 Fire Protection Sealant.

Length 8″   Width 5″    Height 2.5″

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A diagonal black shape on the left side meets a white background on the right, suggesting the contrast found in UL firestop systems designed for safety and protection.

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