top of page

What Is Polystyrene Used For?

Polystyrene sheets and boards are incredibly versatile and widely used across many industries in South Africa. Their lightweight yet strong nature makes them ideal for building insulation, helping maintain comfortable indoor temperatures and reduce energy costs. Expanded polystyrene (EPS) is commonly used in walls, ceilings, floors, and underfloor heating systems due to its excellent thermal performance and moisture resistance.

Building and Structural Uses

In construction, polystyrene goes beyond insulation. It’s commonly used as void formers in concrete slabs, reducing weight without sacrificing strength. Rib and block flooring systems benefit from polystyrene decking blocks, which offer both support and insulation. Its adaptability means it’s a trusted material in both residential and commercial projects across the country.

Creative and Artistic Applications

Polystyrene’s ease of cutting and shaping makes it popular for creative projects. Artists and designers use it for event decorations, custom signage, props, and displays. Lightweight yet sturdy, polystyrene allows for bold, large-scale creations that are easy to transport and install — perfect for exhibitions and promotional events throughout South Africa.

Versatility Across Industries

From insulation to crafts, polystyrene’s affordability and performance make it indispensable. Whether insulating a new build or bringing creative visions to life, polystyrene delivers reliable, cost-effective results across South Africa’s diverse industries.

Sustainable and Practical Choice

Polystyrene is also valued for its sustainability in building projects. It is recyclable and helps reduce energy consumption by improving insulation efficiency. Its durability means less frequent replacement, saving resources and costs over time. This practical combination of performance and eco-friendliness makes polystyrene a smart, future-ready material for South African builders and designers alike.

Extruded Polystyrene Ceilings.jpg

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​

​-

-

-

-​​​​

PolyWall - Polystyrene Wall Insulation Boards

Medium-Density Wall Insulation

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

PolyVoid - Standard Size Polystyrene Void Formers

Standard Void Formers To Raise Concrete Slabs

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

Factory Ceilings & Insulation_edited_edited.jpg

Warehouse ISO Ceiling Boards

Retail & bulk national supply from:​

​​

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​​

​-

-

-

-

​-

-​

PolyRoof Polystyrene Roof Insulation Boards

High-Density Concrete Roof Insulation

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

Polysttyrene Decking Blocks

Polystyrene Decking Blocks (Slabs)

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

Standard Polystyrene Sheets & Blocks

Standard Size Sheets & Blocks

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

High-Density Polystyrene Floor Insulation Boards

High-Density Polystyrene Floor Insulation

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

Custom-Cut Polystyrene Void Formers

Custom Void Formers To Raise Concrete Slabs

Retail & bulk national supply from:

Johannesburg

Cape Town

Durban

Port Elizabeth​

​-

-

-

-​​​

bottom of page