► Soudal | Gap Fillers

Expanding Foam That Seals, Locks & Insulates Across Every Gap Missed gaps don’t stay small for long. Air leaks through, moisture finds its way in & what should’ve been a clean install turns into callbacks, rework & failed performance. Soudal gap fillers are built to eliminate that problem from the...

Expanding Foam That Seals, Locks & Insulates Across Every Gap

Missed gaps don’t stay small for long. Air leaks through, moisture finds its way in & what should’ve been a clean install turns into callbacks, rework & failed performance. Soudal gap fillers are built to eliminate that problem from the start. This is expanding PU foam designed to seal, bond & insulate in one step across construction & installation work.

Built for real jobsite use, this range includes gun-grade expanding foam, hand-held PU foam & low expansion foam systems for window & door installation. Each product expands to fill irregular voids, bonds to multiple surfaces & cures into a dense, stable seal that won’t shrink back or break down under normal conditions.

For full sealing systems, trades work alongside Adhesives & Tapes, Roof Sealants & Adhesives & Concrete Repair & Restoration. When it comes to application control, using Caulking Guns, Hand Tools, Measuring & Layout Tools & Safety & Personal Protective Equipment ensures every gap is filled properly without over-expansion or mess.

What’s in This Collection:

► Soudal Soudafoam gun-grade expanding foam
‣ Controlled application for window installs, framing & repeat sealing work

► Hand-held expanding PU foam
‣ Quick gap filling for small jobs, penetrations & patch work

► Low expansion window & door foam
‣ Prevents frame distortion while sealing tightly

► Fire rated expanding foam
‣ Suitable for compliance jobs & fire-sensitive applications

► High yield expanding foam
‣ Covers more metres per can on large-scale projects

► All-season expanding foam
‣ Maintains consistent expansion in varying site temperatures

► Fast cure PU foam
‣ Speeds up trimming & finishing stages

► Multi-surface expanding foam
‣ Bonds to concrete, brick, timber, steel & plastics

Across most jobs, running a mix of foam types keeps work efficient. Gun-grade for control, hand-held for speed, low expansion for installs where accuracy matters.

Trade Applications for Soudal Gap Fillers

Out on site, expanding foam earns its place in jobs where sealing needs to be fast, reliable & consistent.

Window & door installation foam
‣ Locks frames in place without pushing or distorting

Service penetrations & cavity sealing
‣ Seals around pipes, conduits & cables

Roofing & cladding gap sealing
‣ Stops water ingress at joints & overlaps

Precast concrete & panel construction
‣ Fills irregular gaps while maintaining seal integrity

Commercial glazing & façade installs
‣ Maintains airtight seals across large systems

Maintenance, retrofit & repair work
‣ Seals ageing gaps without structural removal

Across construction, fabrication & maintenance work, proper gap filling keeps structures sealed, efficient & compliant.

Control the Expansion. Control the Outcome.

Too much expansion causes distortion. Too little leaves gaps. That balance is what separates a clean install from a problem job. Expanding foam isn’t just about filling space, it’s about controlling how that space is sealed.

Soudal gap fillers are built for that level of control. They expand consistently, cure dense & stay locked in without shrinking back. That’s critical when sealing around frames, penetrations or external joints where failure shows up fast.

Where surfaces are damaged or inconsistent, using Concrete Repair & Restoration first gives the foam a stable base. For areas exposed to weather, combining with Roof Sealants & Adhesives adds an extra layer of protection.

Stock moves quickly with Same day dispatch, & for ongoing builds or repeat installs, support is backed through Trade support Solutions to keep supply consistent across jobs.

► Expanding foam systems built for controlled application & reliable sealing
► Proven Soudal performance across construction & installation work
► Bulk supply options for builders, contractors & workshop teams
► Fast Australia-wide delivery to keep projects moving

Seal It Once. Don’t Come Back.

Gaps don’t fix themselves, & missed sealing always shows up later. The right expanding foam fills, bonds & insulates in one pass without needing a second go.

Run gun-grade for precision, keep hand-held for speed & use low expansion where installs demand accuracy. Get it sealed properly the first time & you won’t be back fixing it later.

Frequently Asked Questions

Expanding foam is used to fill gaps, seal cavities & insulate around frames, penetrations & structural joins.

Gun-grade provides more control & precision, while hand-held foam is faster for smaller jobs.

Yes. Once cured, it can be cut back for finishing work.

Yes. It helps reduce air movement while filling gaps.

Yes. It prevents pressure that can distort frames during curing.

Yes. It expands to fill irregular voids & bonds to most construction materials.

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