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Plaster & Plasterboard

Our selection of plastering materials includes plaster, plasterboard, cement board, plastering tools, drywall screws, drywall adhesives, accessories, and more.

Whether you’re freshening up your home or tackling a bigger project, our wide range of plaster materials ensures high-quality products to suit your needs.

From trusted brands like British Gypsum, Siniat, La Roc, and more, we offer everything from traditional lime-based plasters to modern gypsum formulations, as well as plasterboards in various types, sizes, thicknesses, and finishes to fit every space.

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    Siniat GTEC Base Board Plasterboard Tapered Edge 1220 x 900 x 9.5mm

    GTEC Base Board is a lightweight 4ft long plasterboard used as a base for skim finishing. This is an ideal base board for ceilings in renovation projects. It comes in a handy size, making it easy to transport and install. The square edge makes it...
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    Siniat GTEC Standard Plasterboard Square Edge 2400 x 1200 x 12.5mm

    Designed for partitions, linings and ceilings, this standard board is square edged and most suitable for undecorated applications or textured finishes. It is also suitable for gypsum plaster. Specifically for normal fire, structural and acoustic levels.
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    Siniat GTEC Standard Plasterboard Tapered Edge 2400 x 1200 x 12.5mm

    GTEC Standard Board is a gypsum board for partitions, linings and ceilings where normal fire, structural and acoustic levels are specified. It is available with square or tapered edges in a variety of sizes. Tapered edge boards for taping and jointing to...
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    Siniat GTEC Standard Plasterboard Square Edge 1800 x 900 x 9.5mm

    GTEC Standard Board is a gypsum board for partitions, linings and ceilings where normal fire, structural and acoustic levels are specified. It is available with square or tapered edges in a variety of sizes. Tapered edge boards for taping and jointing to...
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    Siniat GTEC Standard Plasterboard Square Edge 2400 x 1200 x 15mm SE

    Whether you're looking to install plasterboard for partitions, linings, or ceilings, the GTEC Standard Board is a gypsum board designed for numerous applications. This particular board features a square edge for textured finishes or undecorated...
  • Standard-Board.jpg.jpeg

    Siniat GTEC Standard Plasterboard Square Edge 2400 x 1200 x 9.5mm

    GTEC Standard Board is a gypsum board for partitions, linings and ceilings where normal fire, structural and acoustic levels are specified. It is available with square or tapered edges in a variety of sizes. Tapered edge boards for taping and jointing to...
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    Siniat GTEC Fire Board Plasterboard Tapered Edge 2400 x 1200 x 12.5mm

    You can't put a price on fire protection. The GTEC Fire Board plasterboard provides superior fire resistance for stud partitions, wall lining, and ceiling systems. Achieve up to a massive 60 minutes fire resistance from a single 15mm layer partition...
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    Siniat GTEC EPS Thermal Board Plasterboard Tapered Edge 2400 x 1200 x 22mm

    The GTEC Thermal Board Wallboard is a GTEC Standard Board that has been laminated to expanded polystyrene. Its purpose is to offer a more improved insulation than standard plasterboard can offer, with some thermal resistance. The Thermal Boards are...
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    Siniat GTEC Cove 120 3600mm

    A gypsum plaster moulding manufactured in a larger traditional cove profile, provides an attractive feature at the junction of walls and ceilings.
  • DB-Board.jpg.jpeg

    Siniat GTEC dB Board Plasterboard Tapered Edge 2400 x 1200 x 15mm

    The GTEC DB Board has a tapered edge and is a heavy-duty wallboard that offers excellent acoustic performance. It is ideally installed with ceilings that need good acoustic performance, as well as partitions and lining systems.
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    Siniat GTEC Cove 120 3000mm

    A gypsum plaster moulding manufactured in a larger traditional cove profile, provides an attractive feature at the junction of walls and ceilings.
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    Siniat GTEC Moisture Board Plasterboard Tapered Edge 2400 x 1200 x 15mm

    GTEC Moisture Board is a plasterboard with moisture-resistant additives in the core and liner to provide protection in humid areas such as kitchens, bathrooms, and utility rooms.
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    Siniat GTEC Cove Adhesive 5kg

    A gypsum based adhesive with a 45 minute working time for easy and fast fixing of cove. Used with Cove 90 and Cove 120
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    Siniat GTEC Vapour Board Plasterboard Square Edge 2400 x 1200 x 12.5mm

    GTEC Standard Board with an additional laminated vapour control layer. The GTEC vapour board has the same physical property as the standard board but has a silver metallised polyester film back liner which enhances the vapour resistance of the product...
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    Siniat GTEC Cove 120 4200mm

    A gypsum plaster moulding manufactured in a larger traditional cove profile, provides an attractive feature at the junction of walls and ceilings.
  • Fire-Board.jpg.jpeg

    Siniat GTEC Fire Board Plasterboard Tapered Edge 2400 x 1200 x 15mm

    You can't put a price on fire protection. The GTEC Fire Board plasterboard provides superior fire resistance for stud partitions, wall lining, and ceiling systems. Achieve up to a massive 60 minutes fire resistance from a single 15mm layer partition...
  • Standard-Board.jpg.jpeg

    Siniat GTEC Standard Plasterboard Tapered Edge 2400 x 1200 x 15mm

    Whether you're looking to install plasterboard for partitions, linings, or even ceilings, the GTEC Standard Board is a gypsum board designed for numerous applications. This particular board features a tapered edge for taping and jointing to achieve a...
  • DB-Board.jpg.jpeg

    Siniat GTEC dB Board Plasterboard Tapered Edge 2700 x 1200 x 15mm

    The GTEC DB Board has a tapered edge and is a heavy-duty wallboard that offers excellent acoustic performance. It is ideally installed with ceilings that need good acoustic performance, as well as partitions and lining systems.
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    Siniat GTEC Joint Filler Xtra 12.5kg

    Setting Compound Siniat Joint Filler is a gypsum based joint compound designed for stage 1 of the jointing process, bedding and filling plasterboard joints.
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    Siniat GTEC Standard Plasterboard Tapered Edge 2400 x 1200 x 9.5mm

    Whether you're looking to install plasterboard for partitions, linings, or ceilings, the GTEC Standard Board is a gypsum board designed for numerous applications. This particular board features a tapered edge for taping and jointing to achieve a flush...
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    Siniat GTEC Joint Tape 150m

    White perforated cross fibre tape used for reinforcing joint and is suitable for hand or mechanical application with Siniat Jointing Compounds.
  • Fire-Board.jpg.jpeg

    Siniat GTEC Fire Board Plasterboard Tapered Edge 1800 x 900 x 12.5mm

    You can't put a price on fire protection. The GTEC Fire Board plasterboard provides superior fire resistance for stud partitions, wall lining, and ceiling systems. Achieve up to a massive 60 minutes fire resistance from a single 15mm layer partition...
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    Siniat GTEC Joint Cement 25kg

    Siniat Joint Cement is an air-drying compound mainly used for stages 2 and 3 of the tape and jointing process. It dries to a water-resistant and flexible film that tightly bonds around the tape so that it works effectively in reducing noise, vibration,...
  • Vapour-Board.jpg.jpeg

    Siniat GTEC Vapour Board Wallboard Tapered Edge 2400 x 1200 x 15mm

    Standard plasterboard with an additional laminated vapour control layer.

Plaster & Plasterboard

Plaster and plasterboard are versatile building materials that enhance both the strength and appearance of construction projects.

Plaster is a finishing material that creates smooth, durable surfaces on walls and ceilings.

Its flexibility makes it ideal for both residential and commercial projects, providing a perfect base for paint or decorative finishes. In new builds or renovations, plaster delivers a polished and professional look.

Plasterboard, also called gypsum board, is a practical, widely used material in modern construction. It is made from gypsum sandwiched between sheets of paper, forming a strong and easy-to-install surface. Plasterboard is essential for building interior walls, partitions, and ceilings. It is suitable for homes, offices, and industrial spaces.

Different types of plasterboard meet specific needs:

  • Standard plasterboard is suitable for most projects.
  • Moisture-resistant plasterboard works well in damp areas such as bathrooms and kitchens.
  • Fire-resistant plasterboard increases safety in commercial and high-risk locations.

At Howarth Timber, we provide a carefully selected range of plaster and plasterboard products, ensuring your construction projects always have the right materials.

Frequently Asked Questions

Can you paint plasterboard?
Yes, you can paint on plasterboard.
Can you tile onto plasterboard?
Yes, you can. However, you will need to consider a few factors, such as the condition of your plasterboard and the weight of your tiles.
How thick is plasterboard?
Plasterboard is usually between 9.5mm and 12.5mm thick.
How much is plasterboard?
Approximately, plasterboard is around £4-£5 per panel.
How much weight can plasterboard hold?
Your plasterboard will be able to take as much weight as you can hang on it.
Which drill bit shall I use for plasterboard?
You can use a masonry bit to use to drill into plasterboard.
What is plasterboard made of?
Plasterboard is made from gypsum processed into a board and usually faced with a paper covering.
Is plasterboard fireproof?
Yes, plasterboard is fireproof.

How to guides

How to use plasterboard on a ceiling or wall

This guide will help any DIYer to be able to complete a plastering job efficiently! 

How to fix a hole in plasterboard

A guide on how to fix a hole in your plasterboard and what tools you will need for your project!