
Soudafoam SMX Genius
| NEW Code | Old Code | Description | Colour |
| 90017 | 20255 | Soudafoam SMX Genius 500ml | White |
Description:
Soudafoam SMX Genius stands as a global innovation, marking the world’s first isocyanate-free expanding foam. This makes it an ideal, low-VOC solution for green build projects where meeting healthy home standards is a priority. As part of our professional trade foam range, it combines advanced environmental safety with high-performance filling and sealing capabilities.
Engineered for Performance and Precision
This foam is designed to offer exceptional versatility across various construction tasks, from filling cavities to mounting door and window frames. It is also highly effective for creating soundproof screens.
- Moisture-Curing Technology: Soudafoam SMX uses a moisture-curing system, performing best on moderately wet, porous surfaces like wood, concrete, and stone.
- Application Guidance: For non-porous surfaces, ensure the surface is almost dry and that the cavity is no deeper than 7.5 cm for optimal results. For deeper cavities, apply the foam in two sessions with a curing interval in between.
- Genius Applicator: It features the patented Genius applicator, which provides you with excellent flow control and precision.
Why Professionals Choose Soudafoam SMX Genius
When you need a greener solution that doesn’t compromise on professional results, Soudafoam SMX is the smart choice.
- Excellent Stability: The foam is highly stable with no shrink or post-expansion after application.
- Insulation Benefits: Delivers high thermal and acoustic insulation properties for improved energy efficiency and noise reduction.
- Easy to Use: Offers excellent adhesion on most substrates and features a reusable design, allowing you to use the can for up to six weeks after opening.
Need an eco-friendly foam solution that delivers professional results? Find your nearest Soudal stockist or browse our full range of trade expanding foams to see which product is the perfect match for your next build.
Technical Documents:
| TDS / BIPS |
| SDS |

FAQs
Is this foam truly isocyanate-free?
Yes. Soudafoam SMX Genius is the first isocyanate-free expanding foam in the world, making it an excellent choice for low-VOC, green-building solutions.
What surfaces does it work best on?
It utilises a moisture-curing system, performing best on moderately wet, porous surfaces like wood, concrete, and stone.
How do I handle deep cavities?
For joints or cavities deeper than 7.5 cm, it is best to fill the gap in two separate sessions, allowing for drying and curing time between applications.
Can I reuse the can?
Yes. The product is designed to be reusable for up to six weeks after it is initially opened.
Does it shrink after curing?
No. It features excellent stability and does not shrink or expand post-cure.
