Fire Stop METACAULK 5 Gallon Pail 1000 - Rectorseal

The RectorSeal 66309 - Metacaulk 1000 (5 Gallon Pail, 1PK) is a high-performance, intumescent firestop sealant designed for sealing construction joints and through-penetrations in commercial and industrial buildings.

🔥 Product Overview:

• SKU: 66309
• Size: 5 gallons per pail
• Pack Size: 1 pail per case
• Color: Red
• Form: Paste
• Application: Can be applied using a caulking gun, bulk loading gun, trowel, or pumped directly from the pail for large jobs 

🧪 Features:

• Fire-Rated: Certified for 1, 2, 3, and 4-hour ratings per ASTM E814, UL 1479, UL 2079, and CAN/ULC-S115 standards 
• Highly Intumescent: Expands when exposed to heat to block flames, smoke, and gases.
• Flexible & Non-Sag: Cures to an elastomeric seal suitable for dynamic motion.
• Mold Resistant: Protected in both wet and dry stages with biocides.
• VOC Compliant: Safe for indoor use and paintable.