Expanding Foam – Fire & Acoustic – Interior & Exterior Applications

Product Overview

The Professional Fire & Acoustic Expanding Foam in a 600ml aerosol can is a one-component, self-expanding polyurethane foam. It is designed for sealing, filling, and insulating where enhanced fire protection is required.

Developed for passive fire protection, it provides a reliable barrier against the spread of fire, smoke, air, and moisture in structural gaps and penetrations.

The foam cures with ambient moisture to form a dense, semi-rigid cellular structure offering both fire resistance and acoustic insulation. Once cured, it remains stable under temperatures from -40°C to +90°C, maintaining structural integrity and long-term adhesion to most construction substrates including masonry, timber, and metals.

Equipped with a patented adapter system, the 600ml can allows precise, single-handed application with full control over flow and dosage, reducing waste and ensuring even filling of cavities. The formulation is completely free from HCFC and CFC propellants, providing a more sustainable, environmentally responsible alternative.

With an expansion rate of approximately 135% during curing and minimal post-expansion once set, this foam ensures consistent joint sealing, excellent acoustic reduction (58 dB), and thermal conductivity of just 35.4 mW/m·K.

Features & Benefits

• Fire Resistance (B2 Rated): Offers effective flame-retardant performance in fire-rated construction joints and penetrations.
• High Filling Capacity: Expands up to 135% during curing to fill large gaps, voids, and irregular cavities efficiently.
• Excellent Adhesion: Bonds strongly to most building materials including concrete, brick, stone, wood, and metal, excluding PE, PP, and PTFE.
• Acoustic Insulation: Delivers high sound reduction performance up to 58 dB, ideal for noise control in partition and service wall applications.
• Thermal Insulation: Enhances energy efficiency with a thermal conductivity value of 35.4 mW/m·K.
• Stable and Durable: Maintains volume and structure with less than 5% shrinkage and no post-expansion after curing.
• Environmental Safety: Propellant gases are HCFC- and CFC-free, ensuring no harm to the ozone layer.
• Ease of Application: The system allows precise, comfortable, and controlled one-hand use without the need for additional tools.
• Temperature Resistance: Retains performance between -40°C and +90°C once fully cured.

Frequently Asked Questions

• Q: Can this foam be used outdoors?
  A: Yes, it is suitable for both indoor and outdoor applications.
• Q: Does the foam adhere to plastic?
  A: It adheres well to most materials except PE, PP, and PTFE.
• Q: Is any additional equipment needed for application?
  A: No, the adapter system allows for easy, controlled application without extra tools.