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Order Your Polystyrene Decking Blocks Today!

If you are looking for a trusted, national supplier and exporter of high-quality polystyrene decking blocks for casting rib & block concrete slabs then we are the right suppliers for you.

We cut and distribute our polystyrene decking blocks in and from Johannesburg, Cape Town, Durban and Port Elizabeth.

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About Our Polystyrene Decking Blocks

Polystyrene decking blocks are an ideal solution for casting lightweight rib and block concrete slabs, offering exceptional speed of construction.

These blocks provide excellent insulation, ensuring energy efficiency in your projects.

As national suppliers, we can offer a cost-effective solution for builders looking to optimize their resources.

Enhance your construction process with these innovative and reliable decking blocks.

Manufacture & Delivery

We cut our polystyrene decking blocks in Johannesburg, Cape Town, Durban & Port Elizabeth. We deliver directly from these locations.

Product Dimensions

All our polystyrene decking blocks are:

- 1200mm long
- 550mm wide on the top
- 500 wide on the bottom

We generally cut a 25mm lip for the block to sit on the lintels.

These blocks are supplied in a number of standard thickness that include:

- 110mm (20DV)
- 150mm (20DV)
- 190mm (X-Grade)
- 230mm (X-Grade)
- 285mm (X-Grade)

If you need a different size block then we can also cut this for you.

Polystyrene Density

Depending on the thickness of the block, we use either a low density, medium density or high density.

Current Lead Times

We cut our polystyrene decking blocks on demand. Lead time can range from 3 to 7 working days.

Our Google Reviews

Since 2016, Polystyrene Product Company has remained the highest and best-reviewed national polystyrene supplier. We have delivered polystyrene to most places in South Africa and neighbouring countries. Service is everything to us!