Metacaulk® Composite Sheet is a rigid fire-resistive panel used to seal penetrations and restore the fire rating to floors, ceilings, or walls in which a large opening has been made to pass penetrating items.

Metacaulk® Composite Sheet: Various Applications

• Large blank openings
• Cable Trays
• Steel pipe, EMT, Copper, PVC Cable
• Bundles
• Concrete floors
• Concrete walls
• Gypsum walls

Metacaulk® Composite Sheet Features

• Intumesces (expands with heat) to form a refractory char that tightly seals penetrations against flame spread, smoke, and toxic fumes.
• Easy to install using standard trade tools
• Lightweight, easy to handle, cut, and form to the desired shape
• Easy to fasten, bolt, punch, or drill through. Use self-tapping screws or anchor bolts
• Thermally conductive; allows unwanted heat build-up to escape
• Non-flame supporting
• UL Classified
• Cost-effective, high-performance versus installed cost
• No mixing or damming; it is clean to install
• Versatile; can be cut to fit irregular shapes
• Re-enterable
• Normal disposal procedures

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.

Contact us for more information on fire-stopping options.