Rectorseal 66385 Metacaulk MC 150+ Firestop 20.2 oz. Water-based Sealant

Product Description

Rectorseal Metacaulk MC 150+ Firestop Sealant, MPN 66385, is designed to prevent the spread of fire, smoke, hot gases, and water through penetrations and construction joints. This sealant is suitable for use on various materials, including metal and insulated pipes, fiberglass, and more. It cures to an elastomeric seal that accommodates dynamic movement, making it ideal for professional applications.

• Water-based, non-sag sealant.
• Easy to apply with standard caulking tools.
• Flexible barrier rated for up to four hours according to ASTM E814 and ASTM E1966 standards.

Product Highlights

This product is safe and easy to use, has excellent freeze-thaw capabilities, and is paintable for enhanced integration into your projects.

Product Information

Standard Information

• Category: Fire Protection
• Brand: Rectorseal
• Manufacturer Part Number: 66385

Technical Specifications

• Weight: 20.2 oz
• Type: Sealant
• Temperature Application: Up to 120 degrees Fahrenheit
• Shelf Life: Minimum of three years
• Application Method: Can be applied from tube, sausage pack, or pail
• Compatibility: Safe for various materials including metal, plastic, and fiberglass
• Certification: Complies with ASTM E814 and ASTM E1966 test standards