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What Are the Main Types of Polystyrene Sheets in South Africa?

In South Africa, polystyrene sheets are essential for insulation, construction, and packaging. The main types are Expanded Polystyrene (EPS) and Extruded Polystyrene (XPS), each offering unique benefits and applications. Understanding these types helps you choose the right material for your project, ensuring durability, energy efficiency, and cost-effectiveness across residential, commercial, and industrial sectors.

Expanded Polystyrene (EPS) Sheets

EPS sheets are lightweight and versatile, made from small, expanded beads fused together. They’re widely used in wall, ceiling, and underfloor insulation because of their excellent thermal resistance and affordability. EPS is also popular in packaging and creative displays, thanks to its easy-to-cut, customizable nature.

Extruded Polystyrene (XPS) Sheets

XPS sheets have a smooth, closed-cell structure, making them denser and more moisture-resistant than EPS. Their higher compressive strength makes them perfect for thermal ceilings. 

How to Choose the Right Type

  • EPS: Lighter, beaded texture, excellent for walls, and general insulation.

  • XPS: Denser, smoother texture, ideal for ceilings.

  • Decorative polystyrene: Specialized shapes and finishes for aesthetic or functional design elements.

Available Nationwide

We supply EPS and XPS polystyrene sheets, boards, and custom-cut solutions across South Africa from hubs in Johannesburg, Cape Town, Durban, George, East London, Port Elizabeth, Nelspruit, and Bloemfontein.

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Pine-Finish ISO Ceiling Boards

Retail & bulk national supply from:​

Johannesburg

Cape Town

Durban

Port Elizabeth

East London

George

Nelspruit

Bloemfontein​

Custom-Cut Polystyrene Sheets & Blocks

Custom-Cut Polystyrene Sheets & Blocks

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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PolyWall - Polystyrene Wall Insulation Boards

Medium-Density Wall Insulation

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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PolyVoid - Standard Size Polystyrene Void Formers

Standard Void Formers To Raise Concrete Slabs

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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Warehouse ISO Ceiling Boards

Retail & bulk national supply from:​

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Johannesburg

Cape Town

Durban

Port Elizabeth

East London

George

Nelspruit

Bloemfontein​

Polystyrene Letters, Numbers, Shapes & Branding

Shapes, Letters & Numbers

Retail & bulk national supply from:

Johannesburg

Cape Town​​

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PolyRoof Polystyrene Roof Insulation Boards

High-Density Concrete Roof Insulation

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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Polysttyrene Decking Blocks

Polystyrene Decking Blocks (Slabs)

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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Standard Polystyrene Sheets & Blocks

Standard Size Sheets & Blocks

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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High-Density Polystyrene Floor Insulation Boards

High-Density Polystyrene Floor Insulation

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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Custom-Cut Polystyrene Void Formers

Custom Void Formers To Raise Concrete Slabs

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

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