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ESA offers a complete design service from the concept stage to final design and drawings for a project or development.

Our professionally registered designers apply the latest design methods and the designs comply in all respects with local as well as international codes and standards for hollow core slabs as set by the Fèdèration Internationale de la Prècontrainte.

If the client wishes to utilise their own design engineer to do the design, ESA will provide any assistance and design information to enable an economical solution to their project.

Manufacture and Transport

Elematic SA is fully equipped to undertake the entire manufacturing process, with our own mixing and batching plant, dispatcher, tensioning jack, extruders, curing system and cutting saw.

We also facilitate our own transport and installation through our in-house installation department. This allows us full control over delivery times, thereby ensuring greater reliability for our clients. Elematic SA has its own super-links, semi-link, 12-ton and 8-ton trucks as well as its own cranes for installation on site. We pride ourselves on our reliable delivery and installation service.


Use of mobile cranes or tower crane depending on site conditions
Installation included in price
Concrete panels are lifted off the delivery trucks and placed onto supporting structures
Between 500 and 1000m2 can be erected in a day with one installation team depending on the scope of the installation
The contractor can proceed with the balance of the structure without being delayed by props and wet concrete
No storage space is required


Grouting of V joints is included in the price
Done with in-house grouting team
Not the ends nor the sides
This is a labour only service
Materials to be supplied by the main contractor
Elematic will only grout along the longitudinal length of the panel – not the ends – this is filled in when the screeding is done
The joints must be saturated with water placing the grouting material
No movement/traffic on the slab until the grout has cured – no loading of bricks or wheelbarrow loads on the slabs
If props are used they must remain in position for 3 days after grouting
If river sand is not available in some areas, fine crusher sand is used with 5:1 plaster sand mix

Openings & Coring

Service holes from 50mm to 110mm can be cored on site
These service holes need to be confirmed with Elematic’s design office
It is recommended that any service holes (coring) be done on site
Service holes larger than a 110mm can be accommodated by means of hanger brackets.
Skylights can be accommodated by means of hanger brackets

Elematic does coring with an in-house coring team – the cost thereof to be established at quotation stage
Position of cores need to be confirmed with Elematic’s design department

Outside Walling

Elematic slabs can be used for boundary or security walling and retaining walls. Their robustness and durability make them ideal for industrial or residential security walling, particularly on large estates. They are extremely quick to erect and range in height from 2.4m to 4.8m for maximum security.

Hollow-core precast concrete slabs

Main Reef Road (R29)
South Africa

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