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SWISS KRONO MAGNUMBOARD® OSB:Materials & Composition

Each SWISS KRONO MAGNUMBOARD® OSB member consists of between three and ten layers of bonded-together SWISS KRONO OSB/4 boards. This is why it is so dimensionally stable and strong while exhibiting excellent structural values due to its high mass.

Raw SWISS KRONO MAGNUMBOARD® OSB members are made using SWISS KRONO OSB/3 boards between 15 and 18 metres long, 2.8 metres wide and 25mm thick. Their approvals confirm that they boast considerably better technical values than conventional EN 300-compliant OSB/4 boards. Predominantly wood from sustainable forestry is used to make SWISS KRONO OSB/4, along with a very small amount of entirely formaldehyde-free binder.

It’s up to our licensees whether SWISS KRONO OSB/4 boards are cut first and then bonded together, or first bonded and then customised. The outcome is the same regardless of the procedure: a SWISS KRONO MAGNUMBOARD® OSB that has been precisely prefabricated using a CNC (computerised numerical control) system with all required cut-outs, holes and notches for windows, doors and electrical, sanitary and heating installations. The final dimensions are freely selectable, with thicknesses up to 25cm. The resulting large-format panels can be rapidly assembled into airtight structures that can be immediately coated or covered on the inside. The prefabrication greatly speeds assembly and reduces the need for finishing and work by follow-on trades.

As soon as the basic structure has been assembled on-site, interior finishing can commence. Wallpaper, tiles and other coverings and coatings can be directly applied to the panels. Thanks to the sanded, joint-free surfaces of the SWISS KRONO OSB/4 used to make the SWISS KRONO MAGNUMBOARD® OSB , there is no need to additionally install plasterboard.

Every SWISS KRONO MAGNUMBOARD® OSB member conforms to German technical approval Z-9.1-591 and European technical approval ETA-13/0784.



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SWISS KRONO MAGNUMBOARD® OSB received an acknowledgment in the “Ecology” category at the 2018 German materialPREIS awards. This predicate is handed out to noteworthy new materials and development projects of manufacturers, architects and planners.
To see the standard-compliant test certificate for the air inside the Überwald Pavillon in Waldmichelbach, Germany, which was built with SWISS KRONO MAGNUMBOARD® OSB and the KNAUF Rotkalk plaster system at


  • Stefan Gottfried
    Dipl. Ing. (FH) construction en bois et aménagement
    Téléphone: +49 33962 69 - 751
    Fax: +49 33962 69 - 374

    SWISS KRONO OSB is a versatile product for cost-effective building. And further processing of it into SWISS KRONO MAGNUMBOARD® OSB yields a massive timber construction system with a host of benefits. Among other things, it can be directly plastered or painted indoors. This saves time and materials

  • Harald Sauter
    Mobile: +49 151 115 47616
    Fax: +49 74 3222 031 - 53

    Building with prefabricated panels and modules gives owner-builders and architects enormous freedom for turning their creative ideas into reality. Building with wood is also eco-friendly, lets people lead healthier, happier lives and, when using prefabricated modules, is also very fast – what more could you ask for?


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