66613 - Rectorseal - 5 GAL PAILS METACAULK 350I - 1PK

The RectorSeal 66613 - Metacaulk 350I (5 Gallon Pail, 1PK) is a general-purpose, intumescent firestop sealant designed for use in construction joints and penetrations in fire-rated walls and floors.

🔥 Product Overview:

• SKU: 66613
• Size: 5 gallons
• Form: Water-based, non-sag caulking grade
• Color: Red
• Application: Can be applied using a caulking gun, bulk loading gun, trowel, or pumped directly from the pail

🧪 Features:

• Fire-Rated: Certified for 1, 2, and 3 hours per ASTM E814 (UL 1479), UL 2079, and ULC-S115 standards
• Highly Intumescent: Expands when exposed to heat to block fire, smoke, hot gases, and water
• Flexible & Elastomeric: Cures to a seal that accommodates dynamic movement
• VOC Compliant & STC Rating: STC 53, suitable for acoustical sealing
• Mold Resistant: Protected in both wet and dry stages with biocides
• Shelf Life: Minimum 3 years
• No Mixing Required: Ready-to-use straight from the pail