GSA Fire Seal Fire Resistant Acrylic Sealant 300ml White 1679W

GSA Fire Seal Fire Resistant Acrylic Sealant 300ml White 1679W

The GSA Fire Seal Fire Rated Sealant by CW Brands is a versatile, one-component acrylic sealant designed for sealing joints in both interior and vertical exterior applications. It provides fire resistance for up to 4 hours, making it ideal for fire-rated construction projects, including tilt-up construction, expansion joints, fire door frames, and service penetrations. Additionally, it serves as an effective acoustic sealant for drywall partitioning with a 56 STC rating.

Key Features

• Fire Rated up to 4 Hours: Tested to AS1530.4 standards, providing reliable fire resistance in various applications.
• Wide Joint Capability: Suitable for sealing joints up to 50mm wide, accommodating moderate movement of up to ±15%.
• Excellent Adhesion: Adheres well to most common building materials without the need for a primer, forming a durable, flexible bond.
• Paintable Finish: Can be painted with most water-based and synthetic paints to match surrounding surfaces.
• Durable and Flexible: Maintains its elastomeric properties and accommodates joint movement under normal conditions.
• Water-Based Formula: Allows application on damp surfaces and easy cleanup with water.
• UV and Mildew Resistant: Offers excellent resistance to UV exposure and mildew when a premium exterior acrylic finish is applied.

Specifications

• Fire Rating: Up to 4 hours (AS 1530 Part 4, 2014)
• Acoustic Rating: 56 STC for plasterboard partitioning (ASTM E413-87)
• Elongation at Break: 250% - 300% (ASTM D2370-82)
• Specific Gravity: 1.60 - 1.62
• Joint Movement Capability: ±15% (ASTM C-920-87)
• Service Temperature Range: -20°C to 90°C
• Open Time: Approx. 20 minutes at 23°C
• Packaging: 300 ml cartridge
• Colors: Grey

Applications

• Fire Protection: Ideal for sealing fire door frames, service penetrations, and expansion joints in fire-rated structures.
• Acoustic Sealing: Used as an acoustic sealant in drywall partitioning to improve sound insulation.
• Tilt-Up Construction: Suitable for large joints in tilt-up construction projects, providing durable sealing and fire resistance.
• General Construction: Bonds well with concrete, masonry, and other building substrates, making it a versatile choice for various applications.

Limitations

• Not suitable for continuous immersion in water (e.g., swimming pools).
• Avoid using on exterior floors or decking expansion joints.
• Should not be applied in confined areas or when exposure to rain is expected within 24 hours.

Benefits

• Easy to Apply: Simple to tool and apply with excellent adhesion properties.
• Long-Lasting Performance: Retains flexibility and durability over time, ensuring consistent performance in a variety of environments.
• Non-Corrosive: Safe to use on metals without causing corrosion.