Metacaulk® Firestop Pillows are intumescent and designed primarily for large temporary or frequently accessed openings with cables, cable trays, blank openings, or multiple penetrations. In a fire, they will prevent the spread of flames and hot gases through the openings.

Metacaulk Firestop Pillows are ready for installation.

Firestop Pillows: Various Applications

• Blank openings
• Cable tray openings
• Telecommunication wires
• Computer lines
• Retrofit or reenter openings
• Temporary installations
• Large openings

Firestop Pillows Features

• Easy to install, no tools required
• Cost-effective
• Versatile
• Highly intumescent; expands when exposed to fire
• Two Sizes
• Forms a very hard char when burned
• No wire mesh is required in specific installations

Explore More Firestop Solutions for Large Openings

Looking for the best firestop options for large openings? Check out these highly effective firestop products designed to maintain fire-resistance ratings and ensure code compliance:

• • Composite Sheet – Ideal for sealing large cable trays and conduit openings.
  • Firestop Universal Collar – A versatile solution for plastic pipe penetrations of various diameters.
  • Firestop Pillows – Reusable and perfect for temporary or permanent firestopping in larger voids.
  • Intumescent Pipe Collars – Expand under heat to seal around plastic pipes and maintain fire barriers.

Learn more about Metacaulk® Fire Stopping Products in this video.

Contact us for more information on fire-stopping options.