What Is Plasterboard? Types, Sizes & Uses Explained (2026 Guide)

If you’re working on a build or renovation, understanding what plasterboard is and how to use it properly is essential. It’s one of the most widely used materials in Australian construction, forming the backbone of internal walls and ceilings.

Whether you’re a builder, tradie, or owner-builder, this guide covers everything you need to know — from types and sizes to where and how plasterboard is used in real projects.

What Is Plasterboard?

Plasterboard (also known as drywall or gyprock) is a строительный material made from a gypsum core sandwiched between two layers of paper. It’s designed for quick installation and smooth finishes in internal spaces.

  • Lightweight and easy to handle
  • Fast to install compared to traditional plaster
  • Creates a smooth surface ready for painting

It’s used in almost every residential and commercial build across Perth and Adelaide.

Common Types of Plasterboard

Different environments require different types of plasterboard. Using the right one ensures durability and compliance.

Standard Plasterboard

This is the most common type used for walls and ceilings in dry areas.

  • Cost-effective
  • Easy to cut and install
  • Suitable for most residential applications

Moisture Resistant (MR) Plasterboard

Designed for areas exposed to humidity such as bathrooms and laundries.

  • Green face paper for identification
  • Reduces moisture absorption
  • Helps prevent mould growth

Fire Rated Plasterboard

Used in areas requiring fire protection, such as garages and boundary walls.

  • Higher density gypsum core
  • Improves fire resistance
  • Required for certain NCC applications

Acoustic Plasterboard

Used for soundproofing in homes and commercial buildings.

  • Reduces sound transmission
  • Ideal for offices and apartments
  • Often paired with insulation

Explore plasterboard options here: Plasterboard Range

Standard Plasterboard Sizes in Australia

Plasterboard comes in a range of sizes to suit different applications.

Thickness

  • 10mm: Standard residential walls
  • 13mm: Ceilings and higher performance walls
  • 16mm+: Fire-rated and acoustic systems

Sheet Dimensions

  • Typically 1200mm wide
  • Lengths range from 2400mm to 6000mm+

Choosing the right size reduces joints and improves finish quality.

Where Is Plasterboard Used?

Plasterboard is used across a wide range of applications in both residential and commercial builds.

  • Internal walls and partitions
  • Ceilings and bulkheads
  • Garage walls
  • Office fit-outs

It’s often combined with other materials such as:

Plasterboard vs Fibre Cement

While plasterboard is ideal for internal use, fibre cement is used in more demanding environments.

  • Plasterboard: Internal walls and ceilings
  • Fibre cement: External walls, wet areas, high-impact zones

View fibre cement products here: Fibre Cement Range

What Else Do You Need for Installation?

Plasterboard installation requires more than just sheets.

  • Joint compounds and tapes
  • Screws and fixings
  • Angles and trims
  • Tools for cutting and finishing

Browse tools and accessories: Tools & Accessories

Where to Buy Plasterboard in Perth & Adelaide

Working with a reliable supplier ensures you get consistent quality and fast delivery.

PPC Supplies operates across key locations:

This makes it easy to source materials locally for your project.

Need Help Choosing the Right Plasterboard?

If you’re unsure which type or size is right for your job, it’s worth getting expert advice before ordering.

Request a quote here: Request a Quote

Final Thoughts

Understanding what plasterboard is — and how to use it correctly — is key to achieving a professional finish on any build. From standard boards to specialised options like fire-rated and acoustic, choosing the right product makes a big difference.

With the right materials, proper installation, and a trusted supplier, plasterboard remains one of the most efficient and reliable building materials available.

PPC Supplies offers the range, stock, and support to help you get it right on your next project.

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