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Cobiax to demonstrate the lightness of rein-forced concrete at the BAU 2017

Visitors to the BAU 2017 trade fair can experience the unique combination of lightweight void formers made of recycled plastic and solid concrete in Hall A1, Booth 127.

Since 2016, Heinze Cobiax Deutschland GmbH has been part of the Heinze Group, a group of leading companies from plastics technology which are active both nationally and internationally.

 The patented and proven technology for replacing heavy concrete where it is definitely not required is continuously undergoing development. Through the integration into the Heinze Group, product optimisations and system innovations can be implemented more rapidly and in a more targeted manner, because, amongst other things, the Heinze Group possesses its own mould and tool construction company and contributes its many years of experience in injection moulding technology.

 The trick with the click

Amongst other things, Cobiax will use the international construction trade fair to present the product optimisations in the “Slim-Line” product line.

The name of the “Slim-Line-Click” product already reveals in part the optimisations conducted.

The two plastic half shells are, as previously, simply pushed together to form a closed plastic void former. However, the surface of the “Slim-Line-Click” product line has experienced major optimisation, so that two fixing elements made of reinforcement are sufficient to make a void former module unit.
The two fixing elements are each “clicked into” the top and bottom of the plastic void former. As a result, a stable module which is ready for use is created.

Due to this Click system, significant advantages result in handling, logistics, and also in material reduction: the plastic shells can be transported nested into each other, thus substantially reducing the freight volume. The fixing elements are now only two-dimensional, and no longer require transverse connections, which reduces the required amount of reinforced steel and the complexity, and therefore also the price.

The final assembly is simplified, so that it can even be completed on construction sites or for preparation in the construction yard.

Lightweight and efficient makes a great impression

The development of the “Slim-Line” product line was supported as a research project by the Federal Ministry of Economics and Technology based on a decision passed by the German Federal Parliament. The cooperation project was assessed as a ZIM project example of success.
“Slim-Line-Click” represents the consistent further development of the “Slim-Line” with optimised characteristics.

Using the “Slim-Line” product line, particularly slim concrete slab constructions can be realised from 20 cm in thickness. Voided flat slab modules are offered in this product line for slab thicknesses up to 56 cm.

Based on calculation examples, sales engineers record how uncomplicated it is to produce a statics verification. Numerous installation examples for all feasible structural engineering projects in the field of new construction, modernisation and renovation represent an effective system for the wide-ranging optimisation of structural engineering projects.  

Competitions, prizes, certificates and approvals as objective proofs

The patented technology has been internationally researched, tried and tested in many and various ways, and holds the general building authority approval no. Z-15.1-282 for the “Eco-Line” product line and the certification number Z-15.1-307 for the “Slim-Line” product line.

In comparison to a conventionally-constructed and produced reinforced concrete slab, the use of the Cobiax technology can verifiably reduce material consumption, in particular regarding concrete and thus environmentally-toxic pollutant emissions such as CO2 by up to 20%. Here the effect caused by the reduction of dead weight on the complete supporting structure right down to the foundations and the related further savings on the material have not yet been taken into account.

This major reduction in construction materials - triggered by the plastic void former modules made of recycled material – has an extensive influence on today’s conventional sustainability certifications for modern properties.

In the case of a project which for example has to be certified acc. DGNB, LEED or BREEAM, the use of the Cobiax technology means that the decisive ecological system advantages of Cobiax can be integrated into the assessment to assist in achieving the required target.

For the integration of these positive values of the ecological system properties of Cobiax Technology into a sustainability certificate, the lifecycle analysis (LCA) and the environmental product declaration (EPD) can be requested from Heinze Cobiax Deutschland GmbH.