Taping Knife 350mm 14in Plasterboard Joint Finishing

Age-restricted item – 18+ only. You confirm your age with a quick online ID check (photo ID and a selfie) before you pay. UK addresses only; no PO boxes or parcel lockers. Full details below.

A 350mm taping knife used for plasterboard joint finishing, smoothing filler and compound across taped seams and wider board areas. The 14in width helps cover more surface in one pass, which is useful when you want a cleaner, more even finish without working back over the same section too many times.

Used for plasterboard installation, repair work and general renovation jobs, this plastering knife suits both trade use and DIY projects. It is handy when taping and filling long joints, flattening filler over seams, and tidying patched sections where a smaller knife would mean more passes and a less consistent result. For home maintenance, decorating prep and regular drylining work, the wider blade makes sense when speed and a neat finish both matter.

The aluminium head stock keeps the tool practical for repeated use, while the cushion grip rubber handle gives a steadier, more comfortable hold in the hand. That can make a real difference when working across a full room, smoothing long plasterboard joints or carrying out repair work over a larger area. The broad 350mm width is especially useful for spreading filler evenly and reducing visible lines from repeated strokes, which helps keep jointing work straightforward and controlled.

Taping and jointing knife specifications

• Width: 350mm / 14in blade for covering wider plasterboard joints in fewer passes.
• Application: Made for finishing taped and filled plasterboard seams cleanly and evenly.
• Head stock: Aluminium construction for practical regular use on site or at home.
• Handling: Cushion grip rubber handle helps provide a steadier, more comfortable hold.
• Use: Suitable for plasterboard installation, repair jobs and general jointing work.

A practical choice when you need clean, tidy plasterboard joint finishing.