Metacaulk 1000, 10.3, Intumescent water based FIRESTOP Sealant, 12 per case, MET66640

MSRP: $198.00
$113.40 for case of 12 tubes-case only
Manufacturer: Metacaulk/Rectorseal
Manufacturer Part No: 66640
PHTS Number: MET66640


• UL Classified systems up to 4 hrs. 

• Highly intumescent 

• VOC compliant 

• Excellent freeze-thaw 

• For interior use - paintable 

• Meets ASTM E 814, UL 1479 & UL 2079 standards 

• STC rating 62


Product Description: Metacaulk 1000 is a one component, general purpose fire rated sealant and smoke seal for construction joints and through-penetrations. Metacaulk 1000 is a water based, 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. No special skills are necessary for installation. Metacaulk 1000 is applied with a conventional caulking gun, bulk loading gun or can be troweled from the pail. For large applications, it can be pumped directly from the pail. Metacaulk 1000 systems are rated for 1, 2, 3 and 4 hours in accordance with the ASTM E814 (UL1479),UL 2079 and ULC-S115-95 test standards. Metacaulk 1000 is protected in a wet stage as well as in a dry stage against mold growth with a combination of biocides. Use Metacaulk 1000 for various Applications: -Top of the Wall Construction Joints -Deflection Track Wall Systems -Up to 2" (51 mm)PVC (Open) -Up to 3" (76 mm)PVC & ABS (Closed) -Crosslinked 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 Water Based Excellent Freeze-Thaw Flexible Set Highly Intumescent Paintable VOC Compliant Safe and Easy to Use Minimum 2 Year Shelf Life.


 • Will prevent the spread of fire through joint openings and through-penetrations 

• No dilution or mixing required • Can be used in areas with some movement 

• Use in fire-rated gypsum wallboard partitions, concrete walls or floors, wood floors and concrete or corrugated steel deck floor/ceiling assemblies 

Recommended for

 • Metal

 • Insulated pipes

 • Fiberglass & plastic pipes

 • Wall construction joints

 • Power, telephone & DataComm cables 

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