AIRTEC 66640 Metacaulk 1000 Highly Intumescent Firestop Sealant & Smoke Seal, For Construction Joints and Through-Penetration, 10.3 oz Cartridge

Product Description

Metacaulk 1000 firestop sealant by AIRTEC, MPN 66640, is a single-component, general-purpose sealant suitable for preventing the spread of fire, smoke, and water. This sealant is designed for use in construction joints and through-penetrations, ensuring safety in various building applications.

• General-purpose fire-rated sealant with UL classification up to four hours.
• Water-based, non-sag formulation that is flexible and paintable.
• Excellent mold resistance and freeze-thaw durability.

Product Highlights

This sealant maintains its performance even under challenging conditions, making it ideal for HVAC and plumbing applications where safety is a priority.

Product Information

Standard Information

• Brand: AIRTEC
• Manufacturer: RectorSeal

Technical Specifications

• Size: 10.3 oz cartridge
• Color: Red
• Cure Time: 3 to 4 weeks at 77°F/25°C
• Density: 10.5 +/- 0.5 lbs/gal
• Specific Gravity: 1.25
• Vapor Pressure: 17
• Solubility in Water: Soluble
• Stability: Stable