The 143725 Acryrub Fireblock is a one-part, noncombustible sealant designed for fireblocking applications. This sealant is formulated to prevent the spread of fire, smoke, and toxic gases through construction openings, ensuring safety and compliance with building codes.

Key Features

• Noncombustible: Meets ASTM E-136 standards, ensuring it does not contribute to fire spread 
• Excellent Adhesion: Provides strong adhesion to most common building materials, including vinyl, aluminum, steel, concrete, wood, glass, and asphalt shingles 
• Service Temperature Range: Can withstand temperatures from -20°F to 800°F, making it suitable for various environments 
• VOC Compliant: Contains zero VOCs, making it environmentally friendly and safe for indoor use 
• Easy Application: Comes in a convenient 10.1 fl. oz. cartridge, allowing for easy application with a manual or pneumatic caulking gun 
• Quick Drying: Tack-free time of less than 25 minutes, ensuring fast and efficient sealing 

Applications

• Fireblocking: Ideal for sealing around wires, pipes, ducts, vents, cable lines, and other penetrations to the building envelope in non-fire-rated construction 
• Construction: Suitable for use in various construction projects, including sealing gaps and joints in walls, floors, and ceilings 
• Maintenance: Perfect for repair and maintenance tasks, providing a reliable seal for preventing fire spread 

Benefits

• Enhanced Safety: Prevents the spread of fire, smoke, and toxic gases, ensuring the safety of occupants and compliance with building codes 
• Ease of Use: The cartridge design allows for precise application, making it easy to achieve a professional finish 
• Cost-Effective: Offers a high-performance solution at a competitive price, ensuring value for money 

Specifications

• Manufacturer: Soudal USA
• Model: 143725
• Container Size: 10.1 fl. oz.
• Color: Red
• Application Method: Manual or pneumatic caulking gun
• Service Temperature Range: -20°F to 800°F
• Shelf Life: 12 months in unopened packaging stored between 40°F and 110°F