Johannesburg
Cape Town
Durban
National
National Email
Polystyrene Decking Blocks
Simplify your construction with polystyrene decking blocks for rib and block concrete slabs. Lightweight yet durable, these blocks enhance structural efficiency, reduce weight, and improve insulation. Easy to install, they’re the ideal solution for faster, more cost-effective building projects.
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.
Manufacture & Delivery
We make and deliver this product locally in:
Johannesburg
Cape Town
Durban
Port Elizabeth
Polystyrene Density
Depending on the thickness of the block, we use either a low density, medium density or high density.
Current Lead Times
Generally 3 to 5 working days excluding weekends and public holidays. If you need it faster, please let us know so we can assist.
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Polystyrene Product Company
Where Builders & Bulk Buyers Order Bulk Polystyrene Direct, Nationally, In South Africa
National Sales & Head Office
Unit 8, Lower Ground Level, Commercial City, Tungsten Rd, Strydompark, Randburg, 2194
VAT Number: 4220273447
CO. Reg Number: 2016/072709/07
National Head Office Number:
011 678 5626
Main Email: sales@polystyrene.co.za