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Metacaulk 1000 Intumescent Firestop Sealant
Manufacturer RectorSeal Fire Stopping

Metacaulk 1000 Intumescent Firestop Sealant

Metacaulk® 1000 Intumescent Firestop Sealant

Metacaulk® 1000 is a water-based, single-component, general purpose, fire-rated sealant for through-penetrations on both vertical and horizontal surfaces, as well as construction joints. Metacaulk® 1000 is an extremely intumescent, non-sag caulking grade sealant that is easy to apply as well as to retrofit.  It cures to an elastomeric seal that is suitable where dynamic movement is expected in the event of a fire.  Metacaulk® 1000 will prevent the spread of flames, smoke, hot gases and water through joint openings and through-penetrations. No dilution or mixing is required for use. Metacaulk® 1000 is applied with a conventional caulking gun, bulk loading gun or can be troweled or pumped from the pail.

 Metacaulk fire stopping systems are rated for 1, 2, 3 and 4 hours in accordance with the ASTM E814 (UL 1479), UL 2079 and ULC-S115-95 tests standards.

Various Applications

  • Top of the Wall Construction Joints
  • Deflection Track Wall Systems
  • Up to 2"  PVC/CPVC (Open)
  • Up to 3" PVC/CPVC & ABS Closed
  • Cross-linked Polyethylene (PEX) Tubing
  • Steel, Copper, Cast Iron and EMT Pipe
  • Flexible Conduit
  • Fiberglass Insulated Pipe
  • Armaflex Insulated Pipe
  • Telephone Communication and Power Cables
  • HVAC Ductwork

Metacaulk® 1000 Features

  • Water Based
  • Excellent Freeze-Thaw
  • Flexible Set
  • Highly Intumescent
  • Paintable
  • VOC Compliant
  • Safe and Easy to Use
  • Possess intumescent properties; expands when exposed to fire
  • Sound Transmission Class (STC) 62


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


Metacaulk 1000 Product Information

Product Code Size Quantity Per Case
10.3 oz Cartridge
30 oz Cartridge
20.2 oz Sausage Pack
1 Gallon
2 Gallon
5 Gallon

Metacaulk 1000 Intumescent Firestop Sealant
Metacaulk Leed


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