Quality branded recycled aggregates: REMEXIT

The REMEX success story began in the 1970s with innovative recycling solutions for road demolition waste and construction waste. In 1990, shortly after the German reunification, REMEX was commissioned with the recycling of around 250,000 tonnes of reinforced concrete elements from the deconstruction of the Berlin Wall. Today, as one of the largest manufacturers of sustainable construction materials, our processing technology is synonymous with particular expertise in the production of secondary materials. Our recycled aggregates, which we market under the REMEXIT brand, have been well known in the construction industry for decades.

Which materials form the basis of recycled aggregates?

In according regulations, the permissible input materials for the production of recycled aggregates and their subsequent reuse are defined in detail. In principle, the following materials, for example, can be processed into recycled aggregates:

mineral construction and demolition waste (consisting e.g. of concrete, bricks, ceramics)
road rubble
mineral content of construction waste
fractures or faulty batches resulting from the production of mineral construction materials
excavated soil with a mineral content of more than 10 % by volume

Materials containing asbestos, road rubble containing bitumen or tar, construction materials containing gypsum, and mineral insulation materials are explicitly excluded from the input materials for the production of recycled aggregates.

Production process, areas of application, quality assurance

The use of recycled aggregates is defined by structural and ecological specifications. The better the material qualities of the recycled aggregates, the greater their application possibilities.

Production

Screening, crushing, classifying – these are the three basic steps in the production of recycled aggregates. But the process begins much earlier, with selective dismantling on site and separated storage of input materials in our recycling facilities. Our short animation explains the processing steps of construction waste.

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Main applications

Recycled aggregates are mainly used as base course material for road construction or in substructures of large industrial buildings. In order to visualise the areas of application for recycled aggregates in compliance with German environmental regulations and construction technology, we use a traffic light system. Our tables summarise the information and serve as a basis for numerous tools in digital and printed form.

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Available grain sizes

Recycled aggregates are supplied in the form of different grading curves according to the application requirements – from the fine sand fraction to oversize particles. In terms of the physical constructive properties, they are directly comparable to primary construction materials.

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Quality assurance

The quality of recycled aggregates is primarily dependent on the input materials, i.e. the composition of the construction and demolition waste. Our quality management ensures constant material properties of our REMEXIT construction materials.

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Material with many advantages

It is not uncommon for recycled aggregates to have advantages over natural aggregates in terms of physical constructive properties. Crushed concrete and mortar, for example, often lead to higher strength and stability in the overall mix, even in comparison with natural construction materials.

For environmental reasons, the material cannot be used everywhere. However, in most cases, application is straightforward because conditions of use are clearly defined. Economic efficiency is often the decisive argument for the use of recycled aggregates.

We produce over two million tonnes of REMEXIT branded recycled aggregates every year, which represent an important business area for our company. Find out more on our dedicated website.

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Quality branded recycled aggregates: REMEXIT

Which materials form the basis of recycled aggregates?

Production process, areas of application, quality assurance

Production

Main applications

Available grain sizes

Quality assurance

Material with many advantages

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