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Polystyrene Decking Blocks (Concrete Slabs)
Looking for a national supplier high-quality decking blocks, used as void formers when casting rib & block concrete slabs? Request a quick national quote now!
Enjoy Our Amazing Weekly Prices & Specials!
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.
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.
Manufacture & Delivery
We cut our polystyrene decking blocks in Johannesburg, Cape Town, Durban & Port Elizabeth. We deliver directly from these locations.
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!