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Plasterboard Corner Bead

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Corner beads protect plaster at its most vulnerable point - the corner. Angle beads (or corner beads) streamline the drylining process by forming corners (so you don't have to manually create them) and providing a guide for depth when applying render. The angle bead features a rigid spine which wraps itself around the apex of a corner, with its 'nose' producing smooth and "true" lines in the plaster finish. 

Find Out More About Our Types of Plasterboard Corner Bead
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What Is A Plasterboard Corner Bead? 

Often referred to as angle beads, corner beads are purposed to achieve a smooth edge where plasterboard sheets meet on an external corner. These long metal strips feature a centre line and two wings on either side; these two wings ensure the bead is both reinforced and securely inserted inside the plaster. 

Corner beads are typically made from either PVC or galvanised steel. In essence, their main duty is to stabilise and reinforce corners as well as to cover the seam between sheets, creating a seamless angle and smooth surface. 

Plasterboard Corner Bead Applications

Corner beads are most commonly utilised between the ceiling and the walls. They are also used to create a smooth finish on corners and intersections. 

On top of this, they work to stabilise the drywall, protecting it against impact and damage. We recommend angle beads for use around the following applications: 

  • Window corners
  • Stairwells
  • Support beams
  • Walls 
  • Soffits 

Frequently Asked Plasterboard Corner Bead Questions

Frequently Asked Questions About Plasterboard Corner Beads

What Tools Will I Need To Fit Angle Bead? 

You would need:

  • Tin snips (or a similar tool to cut through the bead)
  • Tape measure
  • Scissors (to cut the scrim tape)

How To Cut Plaster Beading To Length

Mark all of the necessary measurements, then take your tin snips and cut in accordance with your markings. Cut inwards from both sides, leaving the centre intact. Bend the bead until it breaks.

Wearing gloves is essential for this job - especially when using tin snips. The edges that are left behind are incredibly sharp and can easily cut you, so protecting your hands is crucial.

What Kind Of Nails Do I Use For Corner Beads?

Corner beads are most commonly installed with Staples [e.g.Arrow T50] of flat-headed clout nails. Drywall screws will either stick out too far or deform the bead due to the countersunk head.

How Do I Fix Angle Beads to Plasterboard? 

The best way to secure angle beads when working with plasterboard is to use galvanised nails.

The galvanised steel beads can either be nailed, stapled, or screwed into place with fasteners. Joint compound mud is then applied around the metal flange to achieve a clean corner. 

Are Corner Beads Necessary?

It is difficult to achieve a professional finish without beads; a corner bead is essential for corners, both on walls and soffits. 

What Is The Difference Between An Edge Bead & A Corner Bead? 

Edge beads create a defined square edge for external render systems. With a solid hooked corner and an edge with either mesh or perforated wings, their primary purpose is to reinforce plasterboard edges against different building materials, such as a wooden door frame, an exposed stone wall, or a suspended ceiling. 

Edge beads differ from angle beads in that they should be applied to plasterboard before the panels are affixed to either a stud wall, suspended ceiling or solid wall with plasterboard adhesive.

Edge beads can be used for a straight edge at the end of a run of plasterboard, or where a raised/recessed feature is necessary. 

What Is Plasterboard Beading? 

Plasterboard beading is sectional lengths of metal (such as galvanised steel), or plastic, with a centre line and two-wing profile. Their purpose is to fasten to two sheets of plasterboard, achieving a perfect joint.

Edge beads and angle beads offer many benefits when installing plasterboard, with the prime advantage being the smooth surface they create. Beads achieve this by reinforcing corners or edges, allowing for a professional finish. 

At Materials Market we sell a fantastic range of building materials as well as the aforementioned plasterboard beading: edge beads, corner beads and stop beads

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