Flexible Insulating Foam (Gun Cartridge)

Soudal Flexible Insulation Foam Gun Grade is a one-component, ready-to-use polyurethane expanding foam with elastic properties, applied through a foam gun for controlled, high-volume work. Because it stays elastic, the foam follows the movement of the joint and keeps its insulation properties for many years rather than cracking as the building settles.

The threaded canister works with a foam gun for precise dosing, and the Duravalve keeps yield optimal across the shelf life, even when stored or transported lying down. Its HCFC- and CFC-free propellants are not harmful to the ozone layer. With around three times the flexibility of standard PU foam, it is built for airtight, durable seals in joints that move. Pair it with a Compact PU Foam Gun and compare with the one-handed Flexifoam Genius.

Packaging
Item CodeSizeColourunits/box
117472750 mLBlue12
Features & Benefits
  • 3 times more flexible then standard PU foam
  • Airtight (see IFT-report)
  • Water Vapour Open
  • Excellent stability (no shrinkage or post-expansion)
  • High filling capacity
  • Good adhesion on all surfaces (except PE, PP and PTFE).
  • High insulation value, thermal and acoustic
  • Very good bonding properties.
  • Very precise to dose.
  • Low expansion
  • Elastic and compressible.
  • Freon free (not harmless to ozone layer and greenhouse effect)
  • Fast curing
  • Not UV-resistant
  • Equipped with Duravalve
Why Choose Flexible Insulation Foam Gun Grade?

Flexes with the joint. Its elastic cure follows joint movement and keeps insulating for years, where rigid foam would crack.

Controlled, high-volume work. Gun application gives precise bead control for larger flexible-sealing jobs.

Airtight and stable. Around 3x more flexible than standard PU foam, with excellent stability for a lasting airtight seal.

Full yield, every can. The Duravalve maintains yield across the shelf life, even after the can is stored on its side.

Applications

Ready to get started with Flexible Insulation Foam – Gun Grade? Use the Soudal store locator to find your nearest stockist and pick it up today.

FAQs

When should I use a flexible insulation foam instead of standard foam?

Use a flexible foam in joints that move, such as expansion joints and gaps around frames as a building settles. Standard rigid foam can crack under that movement and lose its seal and insulation.

What is the difference between this and Flexifoam Genius?

Both are flexible insulation foams, but this gun-grade version threads onto a foam gun for controlled, high-volume work, while Flexifoam Genius has a built-in applicator for one-handed use. Choose gun grade for larger jobs and the Genius for quick, tool-free application.

How much more flexible is it than standard PU foam?

It offers around three times the flexibility of standard polyurethane foam. That extra movement tolerance is what lets it stay airtight in joints that flex.

Where can I buy Flexible Insulation Foam Gun Grade in Australia?

It is stocked at Soudal trade outlets across Australia. You can find where to buy at a Soudal stockist near you.