Knauf Wallboard Plasterboard 12.5mm Square Edge 2700mm x 1200mm - Knauf Drywall - 243657

This Knauf Wallboard is a long-length plasterboard sheet, measuring 2700mm x 1200mm with a 12.5mm ...

Best current price£8.57from Materials Market Trading UK Ltd

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Materials Market Trading UK Ltd12.5Mm Knauf Wallboard Tapered Edge Plasterboard 1800Mm X 900Mm Ivory
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BradfordsKnauf Square Edge Plasterboard 1800 X 900 X 12.5Mm Ivory
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Product Information

Full details

This Knauf Wallboard is designed for builders and renovators seeking efficient installation and a high-quality finish for ceilings, partitions, and wall linings. Its long-length and square edge design significantly reduces jointing, leading to faster project completion and a smoother surface. However, its rigid nature requires careful handling and a suitable substrate for optimal performance.

All features

Model Part Number243657
BrandKnauf Drywall

Extended Product Information

FAQs

What is the primary advantage of the long-length design?

The 2700mm length significantly reduces or eliminates the need for horizontal joints in standard-height rooms, leading to faster installation and a more uniform finish.

What is the best use for a square edge board?

Square edge boards are ideal for applications where boards butt directly together, such as for textured finishes, direct decoration, or traditional jointing and plaster skim methods.

Is 12.5mm thickness sufficient for all applications?

12.5mm is the industry standard and provides reliable strength for most partitions and wall linings. For specific applications requiring higher impact resistance or fire ratings, thicker boards may be necessary.

How should these boards be stored before use?

Boards should be stored flat in a dry, protected area, away from moisture and extreme temperatures, to prevent warping or damage.

Can I use this board in a bathroom or kitchen?

While suitable for general wall linings, this standard plasterboard is not inherently moisture-resistant. For wet areas like bathrooms and kitchens, consider moisture-resistant plasterboard options.

How do I achieve a smooth finish with square edge boards?

Ensure boards are tightly butted. Use appropriate jointing tape and compound, applying multiple thin coats and sanding between layers for a seamless transition.

Troubleshooting

Board is difficult to cut cleanly.

Ensure you are using a sharp utility knife and scoring deeply along a straight edge. For thicker boards, a second score might be necessary.

Joints appear uneven or gapped.

Ensure framing is straight and boards are butted tightly. Use appropriate jointing tape and compound to fill any minor gaps.

Screws are pulling through the board surface.

Adjust screw gun depth setting. Ensure screws are driven just below the paper surface without tearing it.

Surface cracking after finishing.

Check for adequate framing support and proper screw fixing. Ensure jointing tape is embedded correctly. Check for substrate movement or excessive moisture.

Pros and Cons

Pros

  • Reduces installation time due to fewer joints.
  • Provides a smoother, more uniform finish.
  • Standard thickness offers good strength and stability.
  • Versatile for ceilings, partitions, and wall linings.
  • Ideal for various finishing methods including plaster skimming.

Cons

  • Long length can be difficult to handle in confined spaces.
  • Square edge requires precise fitting for seamless joints.
  • 12.5mm thickness may not be suitable for all structural requirements.
  • Requires a suitable substrate for secure fixing.

Setup, Compatibility & Care

Setup and Installation:

  1. Substrate Preparation: Ensure the framing (timber or metal studs) is straight, securely fixed, and at the correct spacing to support the board edge and face.
  2. Cutting: Measure and cut boards accurately using a sharp utility knife and straight edge. For cleaner cuts, score deeply on one side and snap over a firm edge.
  3. Fixing: Fix boards perpendicular to the framing members using appropriate drywall screws. Ensure screws are driven just below the board surface without breaking the paper.
  4. Jointing: For square edge boards, butt joints tightly together. Apply jointing tape and compound as per manufacturer recommendations for the desired finish. For textured finishes or direct decoration, minimal jointing may be required.

Compatibility:

This plasterboard is compatible with standard drywall framing systems (timber and metal studs) and most common jointing compounds, plasters, primers, and paints. Ensure any adhesives or finishes used are suitable for plasterboard surfaces.

Care:

Store boards flat in a dry, protected area, away from moisture and extreme temperatures. Handle with care to avoid damage to edges and corners during transport and installation. After installation, clean surfaces with a dry or slightly damp cloth. Avoid harsh chemicals or abrasive cleaners.

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