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Polystyrene

12 products

  • 1200 x 1200 x 10mm Polystyrene Foam Sheet – Lightweight Insulation & Craft

    Swadlings Timber & Hardware 1200 x 1200 x 10mm Polystyrene Foam Sheet – Lightweight Insulation & Craft

    The 1200 x 1200 x 10mm polystyrene foam sheet is a versatile, lightweight solution for insulation, packaging, and craft projects. It cuts cleanly with a knife or hot wire, making shaping and templating simple. Use for thermal buffers, void filling, or protective packing during transport and storage. Its low weight eases handling on site, while stable dimensions support consistent results. Ideal for DIY and professional applications requiring easy-to-work, cost-effective foam panels.

    $4.95

  • 1200 x 1200 x 20mm Polystyrene Foam Sheet – Lightweight Insulation & Craft

    Swadlings Timber & Hardware 1200 x 1200 x 20mm Polystyrene Foam Sheet – Lightweight Insulation & Craft

    This 1200 x 1200 x 20mm polystyrene foam sheet offers increased thickness for improved cushioning and insulation in building, packaging, and model-making tasks. Easy to cut and shape with common tools, it’s ideal for void fill, thermal isolation, and protective inserts. The lightweight composition simplifies transport and installation while delivering consistent dimensional stability. Use across DIY and professional applications where an economical, clean, and workable foam panel is required for dependable performance.

    $9.95

  • 1200 x 1200 x 25mm Polystyrene Foam Sheet – Lightweight Insulation & Craft

    Swadlings Timber & Hardware 1200 x 1200 x 25mm Polystyrene Foam Sheet – Lightweight Insulation & Craft

    Choose the 1200 x 1200 x 25mm polystyrene foam sheet for versatile insulation, protective packaging, and prototyping. The thicker profile enhances cushioning and thermal separation while remaining easy to cut and shape. Ideal for void fill, craft, and light construction applications, it delivers reliable, cost-effective performance. The low weight aids handling and installation, while the stable structure supports consistent results across repeated tasks. Suitable for on-site, workshop, and home use.

    $12.95

  • 1200 x 1200 x 50mm Polystyrene Foam Sheet – Lightweight Insulation & Void Fill

    Swadlings Timber & Hardware 1200 x 1200 x 50mm Polystyrene Foam Sheet – Lightweight Insulation & Void Fill

    The 1200 x 1200 x 50mm polystyrene foam sheet provides substantial thickness for enhanced insulation, void filling, and protective packaging needs. It’s simple to cut and shape for custom fits, making it ideal for temporary formwork, models, and thermal buffering. Lightweight and easy to handle, it streamlines installation while delivering reliable dimensional stability. Use wherever robust foam panels are required to cushion, separate, or insulate components in building, transport, or craft applications.

    $24.95

  • Cardboard Void Former (includes bag)

    Royal Formwork Solutions Cardboard Void Former (includes bag)

    This cardboard void former, supplied with a protective bag, is designed to create controlled voids in slabs, beams, and ground-bearing structures. It helps reduce concrete usage and self-weight while maintaining structural performance to design requirements. Lightweight and easy to place, it suits a range of formwork configurations and slab-on-ground applications. The included bag assists with moisture protection and handling, supporting consistent installation and pour outcomes on site.

    $50.59

  • Polystyrene Foam 1200 x 1200 x 10mm

    Blacktown Building Supplies Polystyrene Foam 1200 x 1200 x 10mm

    The 1200 x 1200 x 10mm polystyrene foam sheet is a versatile, lightweight solution for insulation, packaging, and craft projects. It cuts cleanly with a knife or hot wire, making shaping and templating simple. Use for thermal buffers, void filling, or protective packing during transport and storage. Its low weight eases handling on site, while stable dimensions support consistent results. Ideal for DIY and professional applications requiring easy-to-work, cost-effective foam panels.

    $4.95

  • Polystyrene Foam 1200 x 1200 x 20mm

    Blacktown Building Supplies Polystyrene Foam 1200 x 1200 x 20mm

    This 1200 x 1200 x 20mm polystyrene foam sheet offers increased thickness for improved cushioning and insulation in building, packaging, and model-making tasks. Easy to cut and shape with common tools, it’s ideal for void fill, thermal isolation, and protective inserts. The lightweight composition simplifies transport and installation while delivering consistent dimensional stability. Use across DIY and professional applications where an economical, clean, and workable foam panel is required for dependable performance.

    $9.95

  • Polystyrene Foam 1200 x 1200 x 25mm

    Blacktown Building Supplies Polystyrene Foam 1200 x 1200 x 25mm

    Choose the 1200 x 1200 x 25mm polystyrene foam sheet for versatile insulation, protective packaging, and prototyping. The thicker profile enhances cushioning and thermal separation while remaining easy to cut and shape. Ideal for void fill, craft, and light construction applications, it delivers reliable, cost-effective performance. The low weight aids handling and installation, while the stable structure supports consistent results across repeated tasks. Suitable for on-site, workshop, and home use.

    $12.95

  • Polystyrene Foam 1200 x 1200 x 50mm

    Blacktown Building Supplies Polystyrene Foam 1200 x 1200 x 50mm

    The 1200 x 1200 x 50mm polystyrene foam sheet provides substantial thickness for enhanced insulation, void filling, and protective packaging needs. It’s simple to cut and shape for custom fits, making it ideal for temporary formwork, models, and thermal buffering. Lightweight and easy to handle, it streamlines installation while delivering reliable dimensional stability. Use wherever robust foam panels are required to cushion, separate, or insulate components in building, transport, or craft applications.

    $24.95

  • Polystyrene Sheet SL Grade / 2500 x 1200 x 100mm

    Royal Formwork Solutions Polystyrene Sheet SL Grade / 2500 x 1200 x 100mm

    This SL grade polystyrene sheet, 2500 x 1200 x 100mm, offers high-volume void fill and thermal insulation for building and structural applications. It is clean to handle, easily cut, and quickly placed in formwork or cavities to reduce weight and concrete volume. Moisture-resistant and stable, it supports under-slab insulation, packing, levelling, and voiding tasks. A practical, versatile solution for efficient construction and civil works projects.

    $62.50

  • Polystyrene Sheet SL Grade / 2500 x 1200 x 20mm

    Royal Formwork Solutions Polystyrene Sheet SL Grade / 2500 x 1200 x 20mm

    This SL grade polystyrene sheet measures 2500 x 1200 x 20mm and provides lightweight, versatile insulation and void fill for construction projects. Easy to cut and shape, it suits formwork packing, cavity filling, and thermal isolation under slabs or in walls. The stable, moisture-resistant material helps reduce weight and material usage. Ideal for concrete works, general building, and shopfitting where dependable, clean handling is required.

    $12.50

  • Polystyrene Sheet SL Grade / 2500 x 1200 x 50mm

    Royal Formwork Solutions Polystyrene Sheet SL Grade / 2500 x 1200 x 50mm

    This SL grade polystyrene sheet, 2500 x 1200 x 50mm, provides robust void fill and thermal insulation for building and civil works. It is easy to cut, shape, and install, assisting with slab edge insulation, general voiding, and levelling applications. The material is clean, stable, and moisture resistant, helping streamline site handling. Ideal for formwork support and reducing concrete volume while maintaining structural design intent.

    $31.25

Polystyrene

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