Description
Soudal Flexifoam Airtight Flexible PU Gun Foam for Windows & Doors
Soudal Flexifoam is a premium airtight polyurethane expanding foam designed specifically for professional window and door installation. Developed with innovative FLEXIFOAM® technology, this high-performance gun-grade foam remains permanently flexible after curing, allowing it to absorb building movement and vibration without cracking or losing its airtight seal.
Providing outstanding thermal insulation and acoustic performance, Flexifoam delivers long-lasting energy efficiency while helping reduce heat loss and sound transmission. Tested to RAL MO-01/1 and DIN 18542 standards, it is the ideal solution for airtight sealing in modern energy-efficient buildings and passive house projects.
Key Features & Benefits
- Premium airtight polyurethane gun foam
- FLEXIFOAM® technology for permanent flexibility
- Tested to RAL MO-01/1 and DIN 18542 airtightness standards
- Remains highly flexible after curing
- Superior thermal insulation performance
- Excellent acoustic insulation up to 63dB
- Thermal conductivity of 34.5 mW/mK
- Rapid curing formulation
- Excellent primerless adhesion to most building materials
- Suitable for high movement and vibration joints
- Ideal for windows, doors and construction joints
- Professional gun-grade application
- Application temperature range from -10°C to +30°C
- Linear yield up to 21 metres
FAQs
What is Soudal Flexifoam used for?
Flexifoam is designed for sealing around windows, doors and construction joints where an airtight, flexible and durable seal is required.
What makes FLEXIFOAM® technology different?
Unlike standard PU foams, FLEXIFOAM® remains permanently flexible after curing, allowing it to accommodate movement without cracking.
Is it suitable for energy-efficient buildings?
Yes, Flexifoam is recommended for A, A+ and A++ rated windows and doors and helps improve airtightness and thermal performance.
How effective is the sound insulation?
Flexifoam achieves an acoustic rating of up to 63dB according to ISO 717-1.
Can it be used in cold weather?
Yes, it can be applied in temperatures ranging from -10°C to +30°C.
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