Gun Grade Expanding Foam 750ml – Gap Filler, Trade Grade

Trade gun-grade PU expanding foam for accurate, controllable gap filling. Used with a foam gun it lays down a neat bead with high yield, then cures to a stable, insulating fill that won't shrink.

Brand: Soudal

Key Benefits

• Precise, controllable application with a foam gun
• Excellent stability – no shrinkage or post-expansion
• High thermal and acoustic insulation (58 dB)
• High yield: around 22 m of joint per 750 ml can

Where to Use It

• Filling and insulating mechanically fixed window and door frames
• Cavities, voids and gaps
• Pipe penetrations
• Acoustic baffles

Technical Specification

Specifications from the Soudal technical data sheet. Typical values – curing and skinning times vary with temperature, humidity and substrate.

Frequently Asked Questions

Do I need a foam gun?

Yes – gun-grade cans screw onto a foam applicator gun for precise control and less waste.

When can I trim it?

It can be cut after about 25 minutes.

Is it UV resistant?

No. Protect cured foam from sunlight with paint, plaster or a sealant.

How full should I fill the gap?

The manufacturer recommends filling holes and cavities to about two-thirds and letting the foam expand.

Complete the job: Expanding Foam · Expanding Foam Gun