Bullfix Fixings | The Heavy Duty Plasterboard Fixing. on Instagram: "Walls aren’t always as straightforward as they look. Studs, dot and dab, insulation-backed boards… you don’t always know what’s behind there until you drill. That’s why having a fixing that works across all of those situations makes life a lot simpler. With as little as a 7mm gap needed, Bullfix can be used in stud walls, dot and dab, and insulated plasterboard, even where traditional fixings struggle to open properly. One fixi