Sustainable partner for ecological building solutions

BOUWEN AAN VLAANDEREN jaarboek voor de bouw

The construction world is facing a number of major challenges. Although the economy is booming today, contractors cannot enjoy it due to the high level of error associated with traditional construction methods. “The use of CLT can prevent a lot of problems and therefore has enormous potential,” CLT-S specialist knows.
Text and image CLT-S

BMW Artville in Knokke-Heist.

CLT stands for Cross Laminated Timber or cross glued wood. Planks of sustainably managed pine are glued sideways into 'single layers', which are then glued crosswise using formaldehyde-free glue, so that the fiber directions of the single layers are always transverse to each other. This process generates a dimensionally stable 'master panel', which can be machined with a CNC machine (cutting, milling, drilling ...). The panels are suitable for the realization of floors, walls and other load-bearing elements and have different load-bearing properties depending on their thickness and composition.

Because cross-layered wood is dimensionally stable, less interesting properties such as shrinkage and expansion transverse to the fiber direction of the wood are excluded. That is why CLT is also suitable for wider applications such as high-rise buildings. It can replace the entire traditional supporting structure of a building (houses, offices, residential care centers, student housing, hotels, schools, shops, industrial complexes ...).

Numerous benefits

Combining CLT with BIM, CLT-S provides a revolutionary answer to many challenges that today's construction industry has to overcome. sustainable, CO2 negative and circular usable material to build an exact replica of what is virtually modeled in BIM. Since the construction process is so limited to assembly, works are completed up to 60% faster. In addition, less manpower is required on site.

CLT-S creates a structure via lean construction to which other elements can be added more easily (windows, techniques, etc.). The beneficial effects of CLT on the EPB and insulation value are now widely known, but it also makes it possible to build on less load-bearing soil and is also applicable on top of existing buildings.

Because cross-layered wood is dimensionally stable, less interesting properties such as shrinkage and expansion transverse to the fiber direction of the wood are excluded.

Sustainable and circular

CLT-S's CLT panels always have an FSC and PEFC label. This way the origin of the wood can be traced perfectly. The pine wood is mined in the Austrian and Scandinavian forests, where forest management has been a science in itself for centuries. The growth of the forests is always higher than the decrease, so that the balance at the end of the story is positive. Because the trees capture so much CO2 and produce oxygen during their lifespan, wood is a CO2 negative building material, even if you take into account the production and transport emissions. The CLT panels are also all dry assembled on site. They can also be disassembled in the future and used again for other applications. All panels will soon be equipped with an RFID chip, so that they can not only be identified during production and works, but also contain information that can be used for building management and applications after dismantling. For example, it can be determined which type of panel has carried which loads and for which future applications it may still be suitable.

A nursery from CLT in Brussels.

The Park classes of the Groenendaal primary school in Merksem.

The Astor project in Geel.

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