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Our Range of Building Supplies

  • Plasterboard Sheets

    Fire-rated, moisture-resistant & acoustic panels for walls and ceilings.

  • Decorative Cornice

    A wide range of profiles to suit modern and traditional interiors.

  • Jointing Compounds & Adhesives

    Ready-mix and setting compounds for seamless finishes.
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Proud stockists

As an official Siniat distributor, we guarantee competitive pricing, expert advice, and fast delivery across Western Australia and South Australia.

With Siniat, you can expect the product to be innovative and sustainable. Siniat plasterboard is manufactured with advanced technology for superior durability and low environmental impact.

We sell Dragon All Purpose Compound

Get the perfect finish every time with GTEK/Siniat Dragon – the all-in-one compound trusted by pros. Whether you're embedding joints, bedding tape, or applying top coats, this versatile compound delivers smooth application, minimal shrinkage, and effortless sanding.

Buy Dragon All Purpose Compound

Delivery Across Western & South Australia

With warehouses in Perth & Adelaide, we offer direct-to-site deliveries to:

📍 Perth & Surrounds – Canning Vale, Osborne Park, Joondalup, Mandurah, Bunbury & more.
📍 Adelaide & Surrounds – Kilburn, Elizabeth, Seaford, Gawler, Mount Barker & more.
📍 Regional Deliveries – Available across Western & South Australia upon request.

View shipping policy

Frequently Asked Questions

What products do you supply?

We specialize in plasterboard, cornice, and jointing compounds, supplying high-quality materials for residential and commercial construction. Our range includes:

  • Plasterboard sheets (standard, fire-rated, moisture-resistant, and acoustic)
  • Decorative cornice in various profiles
  • Jointing compounds, adhesives, and plastering accessories

Where is Coastal Plasterboard and Ceiling Supplies located?

We have locations in Western Australia (Perth) and South Australia (Adelaide), providing fast delivery across metro and regional areas.

What brands do you stock?

We are proud stockists of Siniat, one of the world’s leading manufacturers of plasterboard and compounds. We also stock other trusted industry brands to ensure the highest quality for your projects.

Do you deliver plasterboard and ceiling supplies?

Yes! We provide fast and reliable delivery across Perth, Adelaide, and regional WA & SA.

📍 Perth & Surrounds: Canning Vale, Osborne Park, Joondalup, Mandurah, Bunbury & more.
📍 Adelaide & Surrounds: Kilburn, Elizabeth, Seaford, Gawler, Mount Barker & more.
📍 Regional Deliveries: Available on request – contact us for a quote.

How much does delivery cost?

Metro areas: Flat rate of $169 for Perth & Adelaide.

Regional areas: Pricing depends on location and order size – please contact us for a custom quote. However, we do offer the option to drop it off to a depot.

How long does delivery take?

Use the below as a guide. Our actual delivery times do vary. View our shipping policy for more information.

  • Metro deliveries: Within 3 business days.
  • Regional deliveries: Between 3-7 business days, depending on location.

Can I pick up my order?

Yes! You can collect your order from our Perth (Canning Vale) or Adelaide (Kilburn) warehouses. Please notify us 24 hours in advance to arrange pickup.

What type of plasterboard should I use for my project?

Standard plasterboard – Ideal for general internal walls and ceilings.

Fire-rated plasterboard – Required for fire-resistant walls and ceilings in commercial and residential buildings.

Moisture-resistant plasterboard – Best for bathrooms, kitchens, and high-humidity areas.

Acoustic plasterboard – Used for soundproofing in offices, apartments, and home theatres.

Do you sell cornice for ceiling finishing?

Yes! We stock decorative cornice in various profiles to suit modern and traditional interiors.

Which jointing compound should I use?

  • Base compounds – Used for embedding joints and bedding tape.
  • Topping compounds – Ideal for a smooth final finish before painting.
  • All-purpose compounds – Suitable for both base and finishing coats.

If you’re unsure, our team can recommend the best product for your project.

Can I return my order if I change my mind?

We do offer change of mind returns, but you will be subject to a 20% restocking fee.

What if my order arrives damaged or incorrect?

If you receive damaged or incorrect products, notify us within 48 hours with photos, and we will arrange a replacement or refund where applicable.

Do you offer trade discounts?

Yes! We offer bulk pricing and trade discounts for builders, contractors, and repeat customers. Contact us for a custom trade account.