Soudal Pro Expanding Foam Aerosol
| Code | NEW Code |
Description | Size | Colour |
| 20048 | 175591 | Soudal Pro Expanding Foam Aerosol | 750ml | Champagne |
| 20050 | 175523 | Soudal Pro Expanding Foam Aerosol | 400ml | Champagne |
| 21387 | Spare Nozzles | 4pk |
Soudal Pro Expanding Foam Aerosol is a single-component, self-expanding polyurethane foam designed to fill gaps, seal penetrations and improve insulation in a single application. Ready to use straight from the can with no gun required, it’s the go-to for quick repairs, maintenance work and DIY jobs where speed and simplicity matter. BRANZ Appraised for New Zealand building projects.
What is Soudal Pro Expanding Foam Aerosol used for?
Soudal Pro Expanding Foam Aerosol handles a wide range of sealing and insulation tasks around the home and on site:
- Filling gaps around pipes and conduit penetrations
- Sealing openings around window and door frames
- Reducing draughts and air leakage
- Insulating roof, wall and floor cavities
- Filling cracks, voids and irregular gaps
- Improving thermal and acoustic insulation performance
Key performance features
Unsealed gaps let cold air, moisture and noise into a building. Soudal Pro Expanding Foam Aerosol creates a durable insulating barrier that reduces air leakage and improves comfort and energy efficiency.
- Superior adhesion: Bonds to most building materials (excluding Teflon, PE, PP and Bitumen)
- Thermal and acoustic performance: Reduces heat loss and noise transmission through gaps and penetrations
- Durable waterproof seal: Remains waterproof once cured, provided the integrity of the foam skin is maintained
- CFC-free propellants: A more responsible choice for home and site use
Not sure which foam is right for your job?
| Format | Best for | Gun required? |
| Aerosol (this product) | Quick repairs, small DIY jobs, service penetrations | No |
| Click & Fix | Ongoing trade work, window and door installs | Yes (Click & Fix gun) |
| Gun Grade | High-volume professional application | Yes (standard foam gun) |
| Expanding Foam Genius | Precise, reusable application without a gun | No |
| Flexi Expanding Foam | High-movement areas, doors and windows | Yes (Click & Fix gun) |
| One Shot Foam | Precision filling in tight spaces | No |
| Soudafoam SMX | Low-VOC, isocyanate-free applications | No |
| Fire Rated Foam | Fire protection up to 240 mins | Aerosol available |
Browse the full expanding foam range or use our Foam Yield Calculator to work out how much you need.
Technical Documents:
| TDS / BIPS |
| SDS |
More Information:
| Electrical Statement of Suitability |
| BRANZ Report |
| BRANZ Article-Air Seal Installation |
FAQs
What is expanding foam aerosol used for?
Expanding foam aerosol fills gaps, seals pipe penetrations, stops draughts and improves thermal and acoustic insulation. It’s ideal for quick repairs and jobs where a foam gun isn’t practical.
Can expanding foam be used around windows and doors?
Yes. It seals gaps around window and door frames to reduce air leakage and improve insulation. For high-movement frames, consider Flexi Expanding Foam which accommodates movement of the surrounding building elements.
Is Soudal Pro Expanding Foam Aerosol suitable for DIY?
Yes. The ready-to-use can requires no gun and no clean up between uses, making it ideal for one-off repairs and maintenance tasks around the home.
Can expanding foam help reduce noise?
Yes. Soudal Pro Expanding Foam Aerosol provides acoustic insulation that helps reduce noise transmission through gaps and penetrations. See our acoustic insulation solutions for larger applications.
Is this foam BRANZ Appraised?
Yes. Soudal Pro Expanding Foam Aerosol is BRANZ Appraised, confirming it meets NZ performance standards for professional and DIY use.
How do I remove expanding foam if I apply too much?
Uncured foam can be removed with Soudal Expanding Foam Remover. Once cured, trim the excess mechanically with a knife or blade.