Soudafoam expanding foam – genius gun

The Soudafoam Expanding Foam Genius Gun is a patented trigger mechanism that screws directly onto a 600ml Soudafoam can, giving you one-handed control without needing a separate applicator gun. If you’ve ever tried to operate a standard foam straw adaptor while holding a can above your head, you’ll appreciate why someone bothered to design this. It’s not complicated, but it solves a genuine problem that anyone who uses PU foam regularly will have run into.

Standard hand-held foam cans are awkward. You need one hand on the can, one on the straw, and ideally a third to steady yourself — which most people haven’t got. The Genius Gun’s ergonomic handgrip puts everything in one hand. The trigger gives you precise control over flow rate, so you’re not either getting nothing or getting a face full of foam. That matters when you’re filling a frame reveal or sealing around a pipe penetration where overfilling just creates more work.

Soudafoam Genius Gun: Re-Use That Actually Works

The other big advantage is the built-in closing system. Most foam cans, once opened, are on borrowed time. Leave a standard adaptor on overnight and you’re usually binning it in the morning. The Genius Gun’s integrated bung seals the nozzle after use and keeps the can viable for up to six weeks. That’s a meaningful difference if you’re doing a job that requires foam in stages, or if you use foam occasionally rather than daily.

This is the kind of accessory that pays for itself quickly. At under four pounds, it’s less than the cost of a wasted can. Tradespeople fitting doors and windows, insulating service penetrations, or blocking draughts around first-fix work will find it far less frustrating than wrestling with a standard straw. The soudafoam expanding foam genius gun is a straightforward upgrade to something you’re probably already using — just with better control and less waste.

Compatible with Soudafoam 600ml straw cans. One gun, kept clean, will see a lot of cans through.